Cornerstone Defense | Technically Innovative Solutions

Location: Annapolis Junction
Type: Contract
Job #3919

Title: Software Engineer 2 (Data Transformation & Analytics)
Location: Annapolis Junction, MD
Compensation Range: $170 -$190K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Position Description
The Software Engineer shall be responsible for identifying ways to create consistent and repeatable capabilities including transforming raw, complex, and often unstructured data into clean, reliable, and high-quality analysis-ready datasets that support advanced analytics, predictive modeling, and data-driven decision-making across the organization.

SWE-2 Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR

Bachelor’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR

Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Position Required Skills

Experience using the Linux CLI and Linux tools
Experience developing Bash scripts to automate manual processes
Recent software development experience using Python
Familiar with Distributed Big Data processing engines including Apache Spark
Experience using Jupyter Notebook
Experience with data wrangling and preprocessing tools such as pandas and NumPy
Experience working with structured, semi-structured, and unstructured data
Familiarity with data quality concepts, data validation, and anomaly detection
Experience with Git Source Control System

Position Desired Skills

Familiar with Apache Airflow (DAG design, scheduling, operators, sensors) to orchestrate, schedule, and monitor complex workflows
Familiar with SQL technologies such as MySQL, MariaDB, and PostgreSQL for querying, joining, and aggregating large datasets
Familiar with HPC Job Scheduling tools including Slurm

Experience using the Atlassian Tool Suite (JIRA, Confluence)

Location: Annapolis Junction
Type: Contract
Job #3918

Title: Software Engineer 3 (Data Transformation & Analytics)
Location: Annapolis Junction, MD
Compensation Range: $190 -$210K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Summary:
The Software Engineer shall possess extensive expertise in dataflow design, data transport mechanisms, and Apache Spark based distributed processing. In this role, the Software Engineer will be responsible for designing, implementing, and optimizing data ingress and egress pathways to ensure efficient, scalable, and reliable processing of the organization’s analytics workloads.

Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
OR
Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Required Skills:

Experience using the Linux CLI and Linux tools
Experience developing Bash scripts to automate manual processes
Recent software development experience using Python and Java
Experience with Distributed Big Data processing engines including Apache Spark
Experience using Jupyter Notebook
Experience with data wrangling and preprocessing using tools such as pandas, NumPy
Experience working with structured, semi-structured, and unstructured data such as Parquet, JSON, CSV, XML
Familiarity with data quality concepts, data validation, and anomaly detection
Experience with Git Source Control System

Desired Skills:

Experience using Apache Airflow (DAG design, scheduling, operators, sensors) to orchestrate, schedule, and monitor complex workflows
Experience with SQL technologies such as MySQL, MariaDB, and PostgreSQL for querying, joining, and aggregating large datasets
Familiar with HPC Job Scheduling tools including Slurm
Experience using the Atlassian Tool Suite (JIRA, Confluence)

Location: Annapolis Junction
Type: Contract
Job #3917

Title: Software Engineer 3 (Interface Design & Data Visualization)
Location: Annapolis Junction, MD
Compensation Range: $190 -$210K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Summary:
The Software Engineer shall be responsible for enhancing a UI prototype that was developed using Streamlit and build it into an interface with future plans to make the interface available external to the corporate enterprise.

Required Skills:

Experience using the Linux CLI and Linux tools
Experience developing Bash scripts to automate manual processes
Recent software development experience using Python and Java
Familiar with Streamlit, a Python framework for building interactive web applications
Experience developing front-end applications using TypeScript, HTML, and CSS
Experience with JavaScript frameworks such as React, Angular, and Vue
Familiar with Distributed Big Data processing engines including Apache Spark
Experience using Jupyter Notebook
Experience with data wrangling and preprocessing using tools such as pandas, NumPy
Experience working with structured, semi-structured, and unstructured data such as Parquet, JSON, CSV, XML
Familiarity with data quality concepts, data validation, and anomaly detection
Experience with Git Source Control System

Desired Skills:

Experience using Apache Airflow (DAG design, scheduling, operators, sensors) to orchestrate, schedule, and monitor complex workflows
Experience with SQL technologies such as MySQL, MariaDB, and PostgreSQL for querying, joining, and aggregating large datasets
Familiar with HPC Job Scheduling tools including Slurm

Experience using the Atlassian Tool Suite (JIRA, Confluence)

Location: Annapolis Junction, Maryland
Type: Contract
Job #3916

Title: Software Engineer 4 (Enterprise Data Integration)
Location: Annapolis Junction, MD
Compensation Range: $210 -$230K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Position Description:
The Software Engineer shall be responsible for creating, sustaining, and troubleshooting complex operational data flows including data storage, data transport, data management, data security, data compliance, and knowledge store management. Additional tasking shall include working with the mission customer to perform exploratory data analysis on raw data to clean, enrich, transform and convert the raw data into the required formats. The Software Engineer shall also be responsible for devising methods to improve existing operational data flow processing, distribution, and reliability.

Qualifications:
Master's degree in Computer Science or related discipline from an accredited college or university, plus ten (10) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR
Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus twelve (12) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
OR
Fourteen (14) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Requirements:

Experience using the Linux CLI and Tools
Experience writing scripts using Bash/Python
Experience designing and implementing Java solutions
Experience with Apache NiFi system administration
Experience using Apache NiFi canvas to process and distribute data
Experience creating, managing, and troubleshooting complex operational data flows
Experience with the Atlassian Tool Suite (JIRA, Confluence)

Position Desired Skills:

Experience with Corporate data flow processes and tools
Experience with Corporate data security and compliance procedures and policies
Demonstrated ability to design, develop, and maintain Perl scripts and applications

Location: Bethesda, Maryland
Type: Contract
Job #3914

Title: Senior Technical Writer
Location: Bethesda, MD
Compensation Range: $180k approximately
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Seeking a Senior Technical Writer with experience supporting Intelligence customers. This position will translate highly technical documents for audiences that include government customers, legal general council, and congressional support staff. This position will require a background in Systems and or Data Engineering in order to successfully translate requirements, policy and other highly technical documentation as required.

Responsibilities include:

Create and maintain technical documentation.
Ensure all content meets high-quality standards.
Review and revise technical documents for accuracy and clarity.
Maintain consistency across all documentation.
Apply proper grammar and technical writing best practices.
Engage in stakeholder management and work with multiple programs and teams.
Gather information from subject matter experts.
Coordinate with stakeholders to ensure documentation meets project requirements.
Regularly review and update existing documentation.
Implement version control for documentation.
Archive outdated materials and maintain a documentation library.
Ensure all documentation adheres to organizational standards.
Stay current with industry best practices for technical writing.
Apply consistent formatting and style guidelines across all documents.

Deliverables will include:

User Manuals, troubleshooting guides, release notes, technical specifications, process documentation, end-user training guides, system administrator manuals, quick reference guides, video tutorials scripts, online help content, technical requirement documents, system design documents, project status reports, change management documentation, technical brochures, white papers, product datasheets, FAQ's, and knowledge base articles.

Qualifications

Active TS/SCI with Poly is REQUIRED
Bachelor's degree and 8+ years of related experience
3-5 years’ experience within an IC Agency
Strong technical writing and editing skills
Background in Systems Engineering, Data Engineering or similar
Ability to translate complex technical information into clear, user-friendly content
Experience with documentation tools and version control systems
Strong attention to detail and organization skills
Excellent communication and interpersonal skills

Location: Bethesda, Maryland
Type: Contract
Job #3913

Position – Zero Trust Architecture Specialist
Work Location – Bethesda, MD
Security Clearance – TS/SCI with CI Polygraph

Zero Trust Architecture Specialist
Seeking a highly experienced Zero Trust Architecture (ZTA) Specialist to support a mission-critical customer in the Intelligence Community (IC). This position requires at least 15 years of relevant experience in systems engineering and architecture or related IT fields, with demonstrated expertise in Zero Trust principles and implementation. This position will play a pivotal role in defining, designing, and coordinating the transition of current architectures into zero trust-enabled environments across the enterprise and non-enterprise services/systems. The role requires an expert-level understanding of secure systems architecture, IC directives, and modern IT security paradigms.

While the ideal candidate is a generalist with broad expertise across ZTA principles and IC-related IT ecosystems, the customer is also open to specialists with deep knowledge in one or more relevant areas.

Primary Responsibilities:

Architectural Design and Strategy:

Document architectural rules and develop clear criteria for system and service compliance with zero trust principles.
Diagram interim and future state architectures, capturing transition paths from current architectures to zero trust-enabled environments.
Define and effectively communicate integration expectations for all IT services across evolving architectures.

Design Patterns and Standards Development:

Create and maintain design patterns to guide enterprise and non-enterprise systems in achieving compliance with zero trust specifications.
Align all work with IC protocols, directives, and initiatives, ensuring consistency with broader government mandates.

IT Roadmap and Implementation Planning:

Develop and refine roadmaps for IT implementation of zero trust across global enterprises, including classified and unclassified multi-cloud/multi-fabric landscapes.
Integrate IT stack technologies, ensuring secure, scalable, and effective functionality within a global operational environment.

Zero Trust Expertise and Governance:

Apply expert knowledge in identity, authentication, and authorization technologies to advance zero trust principles.
Work with secure cloud architectures across multiple vendors and cloud fabrics, ensuring environments meet compliance and operational requirements.

Stakeholder Communication and Leadership:

Engage with senior stakeholders across the IC and DoD to communicate architectural decisions, integration plans, and compliance mandates.
Brief senior forums and provide subject matter expertise on EO 14028, NSM-8, NIST standards (e.g., 800-53, CNSSI 1253, ICD 503), and other related directives.
Build trust and foster collaboration across IC partners and technical teams to align zero trust implementations with mission objectives.

Generalist vs. Specialist Considerations:

The customer prefers a generalist with broad expertise across ZTA and related areas but is willing to recruit a specialist who can bring significant depth in one or more core areas, such as identity management, secure cloud architecture, or IT stack integration.

Qualifications

Active TS/SCI with Poly is REQUIRED.
15+ years of experience in systems engineering and architecture, particularly in IC and DoD-related environments.
Extensive knowledge of zero trust architecture, including National Security System (NSS) and DoD reference architectures.
Familiarity with IC directives, policies, and standards, such as EO 14028, NSM-8, ICD 503, NIST 800-53, CNSSI 1253, and related frameworks.
Demonstrated ability to integrate IT stack technologies across global enterprise cyber systems with an emphasis on secure implementations.
Deep expertise in secure cloud architecture and multi-cloud/multi-fabric landscapes (classified/unclassified environments).
Strong knowledge of identity, authentication, and authorization technologies and frameworks central to zero trust principles.
Proficiency in developing IT roadmaps and implementation plans for mission-critical systems.
Demonstrated ability to work across IT domains, bringing together architecture, security, and technical integration.
Proven ability to brief senior IC and DoD forums, providing clear and concise updates, risk assessments, and strategic guidance.
Experience partnering across IC stakeholders, fostering collaboration and alignment of technical and operational initiatives.

Preferred Qualifications:

While not mandatory, expertise in any of the following areas is highly desirable:

Proven experience working in classified environments and bridging the gap between enterprise and mission-specific IT landscapes.
Certifications in systems architecture and security, such as CISSP, CCSP, or AWS Certified Solutions Architect.
Knowledge of emerging trends and tools in zero trust architecture and secure systems development.

Type: Contract
Job #3909

Sr. Platform Engineer
Reston, VA/ College Park, MD/ Anacostia- Bolling Base, DC
TS/SCI with CI Polygraph

As a Sr. Platform Engineer (OpenShift), you’ll will play a critical role in safeguarding digital assets by designing, implementing, and maintaining robust cybersecurity infrastructure. You will work collaboratively with cross-functional teams to identify vulnerabilities, develop solutions, and ensure compliance with security protocols and industry standards. Staying informed about emerging trends and threats in the cybersecurity landscape, you will proactively enhance defenses through innovative tools and methodologies. Additionally, you will conduct risk assessments, implement security controls, and support incident response efforts to minimize risks and maintain the integrity of our systems and data.

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

What you’ll do:

Design, implement, and manage security solutions, including firewalls, intrusion detection/prevention systems, endpoint protection, and encryption mechanisms to ensure the organization's networks and systems remain secure.
Conduct regular security assessments to identify vulnerabilities and weaknesses in systems, networks, and applications, and analyze and investigate anomalies and security breaches, taking appropriate actions to mitigate risks.
Monitor network traffic, system logs, and security alerts to detect and respond to potential security incidents, and develop and implement incident response plans to effectively address security breaches, incidents, and breaches.
Collaborate with cross-functional teams to establish and enforce security policies, standards, and procedures, and work closely with cross-functional teams, including IT, software development, and compliance, to integrate security into all phases of the development lifecycle and ensure a comprehensive approach to cybersecurity.
Maintain thorough and accurate documentation of security processes, procedures, and configurations, and prepare detailed reports on security findings, incidents, and actions taken.

What you’ll need to succeed:

Active TS/SCI with CI Poly.
CISSP, or equivalent certification that satisfies DoD 8140.
4+ years of experience as a cybersecurity engineer, with strong hands‑on automation and platform engineering experience.
3+ years of hands-on experience implementing and monitoring security controls using government frameworks and standards (e.g., NIST SP 800‑53, RMF, ICD 503, FISMA, FedRAMP) and applying STIGs (Linux preferred).
Hands‑on experience with cloud‑native security, including IaC, containers, Kubernetes/OpenShift, and CI/CD pipelines (GitHub, Bitbucket), and securing these solutions at IL5 to IL6+ across NIPR, SIPR, and/or JWICS.
Expert experience in log collection and analysis (e.g., Splunk), using advanced queries to identify security anomalies, and leveraging those insights for incident response, forensic analysis, and daily, weekly, and monthly security checks that support continuous monitoring under NIST RMF.
Experience with application and cloud security tools (e.g., Fortify, Acunetix, Prisma Cloud).
Strong communication skills, with the ability to convey complex technical concepts to both technical and non‑technical stakeholders.

Type: Contract
Job #3908

Senior Systems Engineer
Aurora, CO
Active TS/SCI
Compensation Range: $120,000 – $150,000

Job Responsibilities:
• Analyze and define how the system works creating use cases
• Decompose requirements, define system interfaces and help determine how requirements will be validated and verified by the test team
• Provide engineering support for the execution of a portion of the programs test program including test processes and baseline definition and test architecture design
• Support regression testing across deliverable releases to the program baseline
• Support and attend technical reviews and technical interchanges in support of the program
Basic Qualifications:
• Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) in a related field and minimum 5 years of prior relevant experience
• Experience with systems engineering lifecycle, roles and functions, with specific experience in one or more of the following areas: Concept of Operations (ConOps) development, requirements definition and management, functional analysis or interface definition and control
• Development experience on a government contract
• Experience with Agile principles, to include Agile systems engineering practices and/or Agile roles
Preferred Qualifications:
• Development experience in project domain (e.g., mission management ground systems, space-based ISR platforms)
• Experience working in an Agile development environment and with Agile development tools (e.g., Jira, Confluence, Bitbucket, etc.)
• Experience with MBSE tools (e.g., Cameo Systems Modeler)
• Experience with requirements management in DOORS or other requirements databases
• Good oral and written communication skills as well as good collaboration skills and the ability to work in a team environment
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

Location: Herndon, Virginia
Type: Contract
Job #3907

Cloud Technical Advisor

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:
Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.

Job Title: Junior Cloud Technical Advisor

Description
We are seeking an experienced and highly communicative Cloud Technical Advisor to join our Cloud Program team. As a contributor to the intelligence community’s first multi-cloud initiative, you will be at the epicenter of emergent cloud computing technologies, establishing a foundation that will evolve to include all agencies within the IC. The ideal candidate will have a background in cloud services and excellent verbal and written communication skills. This role requires a person who is comfortable reviewing and editing the Technical Scope Statements of Work (SOWs) for cloud task orders.

Key Responsibilities:

Build and maintain strong relationships with community members
Engage with cloud community members and consumers across various media platforms
Respond to technical cloud requests promptly and effectively
Serve as a Cloud Agnostic advocate and helping to educate the Government customer on cloud services appropriate to meet mission requirements
Review SOWs for cloud task orders, providing feedback and advising on edits
Utilize knowledge and experience to ask technical questions, ensuring you gather necessary information to create comprehensive and accurate SOWs
Create educational cloud content based on community interactions and identified needs
Ability to communicate technical concepts clearly and effectively to both technical and non-technical audiences
Partner with account management, vendors, provisioning, and communications teams to ensure cohesive support for the community
Provide regular updates on community feedback, technical issues, and areas for improvement

Qualifications:

Active TS/SCI with Polygraph clearance
Technical knowledge of cloud services
Excellent verbal and written communication skills
Experience researching and resolving cloud issues
Willingness to review and edit Cloud Statements of Work (SOWs) for cloud consumers
At least 4 years of experience in a cloud and/or hybrid environment

Preferred Skills:

Familiarity with different media platforms for community engagement
Experience working with cross-functional teams
Strong problem-solving skills and the ability to think analytically
Certifications in AWS, Google Cloud, Azure, and/or Oracle Cloud

Location: Bethesda, Maryland
Type: Contract
Job #3906

Position – Data & AI Champion
Work Location – Bethesda, MD
Security Clearance – TS/SCI with CI Polygraph

Data & AI Champion-

Seeking a proactive and detail-oriented Program Support Team Member to support the Chief AI Officer and Chief Data Officer (CAIO/CDO) of one of our Intelligence customers. This position focuses on task management, workforce upskilling, and promoting the adoption of Artificial Intelligence (AI) and Data best practices within the ODNI.

The ideal candidate should exhibit strong leadership qualities, take initiative, and demonstrate the ability to guide efforts and collaborate effectively with team members and stakeholders. A strong candidate will have a solid familiarity with AI and Data concepts and a willingness to cultivate technical expertise on the job.

Primary Responsibilities

Task and Deliverable Management:

Assist with managing and coordinating team tasking, ensuring that work products are high-quality, accurate, and presentation-ready for government stakeholders.
Track progress, prioritize tasks, and contribute to meeting deadlines aligned with CAIO/CDO objectives.
Workforce Upskilling and Development:

Support and champion the design and implementation of plans to upskill the customer workforce on Artificial Intelligence and Data-related capabilities.
Research and recommend training resources, learning opportunities, and strategies for technical skill enhancement.
Workforce Adoption of AI and Data Practices:

Contribute to the development and execution of strategies to facilitate workforce adoption of AI tools, technologies, and Data best practices.
Work collaboratively to promote workforce engagement and successful integration of AI and Data practices into customer operations.
Collaboration and Team Engagement:

Serve as a reliable and supportive teammate, offering guidance and ensuring alignment of efforts with broader mission objectives.
Exhibit strong collaboration and interpersonal skills to foster effective communication and teamwork.
Stakeholder Support:

Collaborate with government customers and other stakeholders to ensure deliverables and initiatives align with customer mission needs.
Assist in preparing briefings, updates, and documentation as required by customer leadership.

Qualifications:

Active TS/SCI with Poly is Required.
Bachelor’s degree with 8+ years of relevant experience, Associate’s degree with 10+ years of relevant experience, or Master’s degree with 6+ years of relevant experience.
Strong task management and organizational skills, including attention to detail and delivering high-quality work.
Familiarity with AI and Data concepts (deeper expertise can be developed on the job but must be familiar with various LLMs and their strengths and capabilities as well as a strong grasp of data analytics).
Excellent interpersonal and communication skills to collaborate effectively with stakeholders and contribute to team success.
Proven ability to take initiative, demonstrate leadership qualities, and provide informal guidance within a team setting.

Preferred Qualifications:

Experience working in a government or Intelligence Community (IC) setting.
Familiarity with organizational change management and workforce transformation initiatives.
Ability to learn new technical concepts, such as AI tools and data frameworks, as part of on-the-job development.
Certifications in project management (e.g., PMP) or related disciplines are a plus.
Experience working with senior government personnel.

Location: Bethesda, Maryland
Type: Contract
Job #3905

Position – AI Data Management Specialist
Work Location – Bethesda, MD
Security Clearance – TS/SCI with CI Polygraph

Seeking an experienced and skilled AI Data Management Specialist to support the Chief AI Officer and Chief Data Officer (CAIO/CDO) at one of our Intelligence customers. The ideal candidate will have a solid foundation in data management, including practical and strategic expertise across the data lifecycle, data protection, and stakeholder coordination. In this role, you will engage with technical and non-technical senior government data managers to develop, implement, and refine their data management strategies while ensuring alignment with best practices in data protection, privacy, and civil liberties.

Familiarity with AI concepts and vectorization as it relates to AI is required, and knowledge of zero trust principles, and data architecture is highly desirable to enhance your contributions to this critical mission.

Primary Responsibilities

Data Lifecycle Management:

Provide expertise in practical and strategic aspects of the data lifecycle, including data collection, storage, usage, sharing, and archival/disposal.
Guide senior government stakeholders in the development and execution of comprehensive data management plans aligned with mission goals and compliance requirements.
Data Protection and Governance:

Deliver practical and strategic guidance on data protection, addressing risks related to data spills, personal information security, and civil liberties.
Ensure compliance with data protection policies, laws, and standards, and promote best practices to safeguard sensitive information and preserve privacy.
Stakeholder Coordination:

Act as a critical liaison, working directly with senior government data managers and technical teams to bridge technical and non-technical perspectives.
Facilitate communication and understanding of data management priorities, challenges, and solutions.
AI and Emerging Technologies:

Apply a foundational understanding of AI to advise on data strategies that enable AI implementation and clear adoption paths.
Contribute to discussions and planning related to advanced concepts such as vectorization in AI and data-driven solutions.
Strategic Recommendations:

Support senior leadership by identifying and addressing gaps in data infrastructure, strategy, and implementation.
Advise on policies and practices related to zero trust architecture, data architecture, and cross-organizational data-sharing initiatives.

Qualifications

Active TS/SCI with Poly is required.
Bachelor’s degree with 8+ years of relevant experience, Associate’s degree with 10+ years of relevant experience, or Master’s degree with 6+ years of relevant experience.
Solid background in data management, with a firm, practical, and strategic understanding of the data lifecycle and its application in government or enterprise environments.
Understanding of vectorization in AI and its relationship to data usage and analytics.
Strong expertise in data protection, especially regarding issues such as data spills, safeguarding personal information, and addressing civil liberties.
Ability to coordinate with senior technical and non-technical stakeholders, including government senior data managers, to align data management initiatives with organizational priorities.
Familiarity with AI concepts and their implications for data usage and management.

Preferred Qualifications:

Knowledge or experience with zero trust architecture principles.
Expertise in data architecture design, principles, and governance, with the ability to speak confidently about its implications for strategy and implementation.
Experience working for or with Intelligence Community (IC) stakeholders or other government agencies.
Strong communication and interpersonal skills to convey complex technical concepts to diverse audiences.

Type: Contract
Job #3904

Sr. DevOps Engineer III
Reston, VA/ College Park, MD/ Anacostia- Bolling Base, DC
TS/SCI with polygraph

As Sr. DevOps Engineer III, you’ll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines. You will collaborate with cross-functional teams to integrate security practices seamlessly into the development and operations lifecycle, ensuring the delivery of high-quality, secure, and reliable software solutions. 

What you’ll do:

Collaborate with customers and internal teams to design and implement automatic technical solutions across multiple classification environments, working independently or as part of the team to address complex technical requirements.
Develop CI/CD pipelines from scratch in GitLab CI and Jenkins with integrated security scanning and STIG compliance validation, providing expert guidance to development teams on pipeline troubleshooting and implementing DevSecOps best practices.
Create and maintain Infrastructure as Code (IaC) templates primarily using CloudFormation to architect highly available, resilient, and secure DevSecOps tool infrastructure across AWS environments (GovCloud, C2S, TC2S) while ensuring STIG compliance and guiding junior engineers on IaC best practices.
Lead advanced troubleshooting efforts by analyzing system and application logs using Linux command-line tools, conducting root cause analysis for complex issues, and developing mitigation strategies for service degradation.
Provide expert security guidance to development teams on secure coding practices, STIG compliance, vulnerability remediation, and other best practices in support of their ATO efforts.
Mentor junior engineers through code reviews, technical guidance, and knowledge sharing while maintaining technical documentation, promoting best practices, and fostering continuous team improvement.

What you’ll need to succeed:

Active TS/SCI Clearance with CI poly. 
Minimum IAT Level 2 Certification (CompTIA Security+, GSEC, SSCP, etc) 
10+ years of experience as a DevSecOps Engineer or similar role, with a strong focus on infrastructure automation, scalability, and reliability across the software development lifecycle. 
Expert experience with DevOps practices, CI/CD pipelines, containerization, and other automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, and Prisma Cloud). 
Expert experience delivering DevSecOps services across multiple classified domains  
Expert understanding of AWS capabilities (EC2, S3, IAM, RDS, etc) and architecting secure cloud-based infrastructure and services. (familiarity with other cloud platforms a plus) 
Strong experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible. 
Strong experience with scripting languages (e.g., Python, Bash), in a Linux environment (RHEL, Oracle Linux, or similar)

Type: Contract
Job #3903

Title: Cyber Software Engineer
Location: Linthicum Heights, MD
Compensation Range: $170 -$190K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Position Required Skills

The ideal candidate will perform Software Engineering and vulnerability research with a focus on OCO (Offensive Cyber Operations) and DCO (Defensive Cyber Operations) activities.
Work with customers directly performing full cycle system engineering, gathering requirements and source code, to technical documentation and specifications.
Performing long-term, in-depth vulnerability assessments using reverse engineering, kernel debugging, and exploitation technologies.
Engineers are encouraged to be creative and exhaust every technical avenue to uncover weaknesses of the system and exploit them.
Performs software development tasks and assists in the design and architecture of software applications individually or as a team member
Develops production quality software based on pre-defined software requirements and designs
Reviews, analyzes, and modifies programming systems to include coding, testing, debugging, installing, and documenting to support organizations software applications
Implement software development process improvement activities in accordance with organizational procedures
Develop unit and integration tests and test plans for software applications and prepares software test reports
Write documentation for software and software interfaces

Required Qualifications:

High School and Seven [7] years experience in software development technologies and methodologies.

Or BS in STEM field (Electrical/Computer/Software Engineering, Computer Science, Math or Information Systems) and Three (3) year of experience in software development technologies and methodologies.
C/C++ Software development skills
Experience in x86/x64 assembly, software reverse engineering, kernel debugging, and protocol stacks
Experience developing computer exploits

Preferred Technical Skills

Experience developing computer exploits
Experience in Software Reverse Engineering with at least 1 of the following tool or an equivalent: IDAPro, GDB, WinDbg, Immunity/OllyDbg
Experience in malware analysis and mitigation techniques
Strong understanding of the Windows and Linux Operating System internals and APIs
Knowledge of analyzing shellcode, packed and obfuscated and the associated algorithms a plus
Experience with scripting languages such as Python, Bash, Pearl, etc
Experience in host and network analysis to identify and characterize anomalies and vulnerabilities in the platform
Experience documenting findings in reports and briefings

Location: Chantilly
Type: Contract
Job #3898

Title: Senior Software Engineer

Location: Chantilly, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

As a Senior Software Engineer, you will play a key role in designing, developing, testing, and deploying new features for a critical data transmission application that directly supports the US intelligence community. You will collaborate with a small, highly skilled team to build a robust, secure system that serves as the interface between multiple enterprise networks. This application plays a vital role in transmitting critical intelligence data from field sources to downstream systems. Your contributions will be instrumental as the application evolves into the central hub for all NiFi channels.

Responsibilities:

Design, develop, and implement new features for a data transmission application using Java and Apache NiFi.
Collaborate with cross-functional engineering teams to integrate the application with multiple enterprise networks, ensuring secure and efficient data flow.
Contribute to the technical roadmap, advancing the application into the central transmission hub for NiFi channels supporting the US intelligence community.
Provide mentorship to junior engineers and foster a collaborative, high-performance team environment.
Ensure high-quality code by adhering to best practices for testing, continuous integration, and code reviews.

Work within Agile development frameworks to iterate and deliver software solutions that meet mission-critical objectives.

Required Qualifications:

Active TS/SCI security clearance with relevant polygraph.
Minimum of 12 years of software development experience with a BS/BA degree or at least 10 years of experience with an MS/MA degree.
At least 4 years of Java or Python experience.
Demonstrated experience working in a Linux environment.
Proven expertise in AWS development, including knowledge of S3 buckets and EC2 instances.
Experience working within Agile development methodologies.

Desired Qualifications:

Experience with Apache NiFi, especially in data flow management and integration.
Familiarity with DevSecOps tools such as Git, Jenkins, Puppet, Chef, Ansible, Terraform, etc.
Experience with AWS SQS and Apache Kafka for message queuing and stream processing.

Type: Contract
Job #3897

Software Engineer – ENG05
Aurora, CO
TS/SCI
Compensation Range: $135,000 – $175,000

Job Responsibilities:
• Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systems.
• Work with talented teams of engineers, architects, and leaders in an Agile environment.
• A breadth of advanced software technologies and techniques including multi-tiered architectures, AWS web services, and microservice software design.
• Modern DevSecOps and Continuous Integration/Continuous Delivery techniques.
• Software lifecycle practices for large-scale defense projects.
• Satellite ground system technologies including command & telemetry, flight dynamics, planning and scheduling, and spacecraft operations.
Basic Quals:
• Requires a Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and 8 years of relevant software engineering experience.
• Experience developing object-oriented software using Java and C++.
• Experience developing software in a Linux environment.
• Experience with Atlassian tools such as Confluence, Jira, and Bitbucket.
• Experience developing software on the M2C2 or Rushmore program
• An active and transferable U.S. government issued TS/SCI security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Preferred Quals:
• Software development lifecycle experience using the SAFe Agile methodology.
• Experience developing software using Python.
• Experience with AMMP, Cucumber, GIT, Khaos (M2C2 FD), Kubernetes, Oracle, Postgres, SonarQube, Weblogic, WIGS/Angular.
• Experience with cybersecurity, DevSecOps, and CI/CD processes.
• Experience working with full stack development.

Location: Herndon, Virginia
Type: Contract
Job #3896

Title: Lead Network Engineer

Location: McLean, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:

Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.

Lead Network Engineer
McLean, VA

Cornerstone Defense is seeking a Lead Network Engineer to support a dynamic network environment hosting several data feeds at varying levels of classification.

Sr Comp Network Technologist – Open Mission Critical

The on-site lead Network Engineer (team lead of a three person team) shall perform a full range of complex network designs associate with the systems that are A&A on this program to encompassing multiple technologies within a single network; performing a full range of upgrades to the existing network architecture (to include security implementations and performing long term sustainment) monitoring, and maintenance to include troubleshooting and problem resolution.

The Lead Network Engineer shall perform, but not limited to, the following duties:

Evaluates new network technologies and makes recommendations to the COTR/PM and SAM project manager regarding the integration of these technologies into the existing network.
Plans new configurations for integration into the network, using knowledge of the performance characteristics of the systems being added to the network and the specifications for network interfaces to insure effective integration and optimal network performance.
Prepares technical informational presentation to the programs engineering review boards for approval to proceed adding new technologies to the network.
Perform enterprise network configuration and maintenance as it relates to Cisco, Juniper, etc., network components, network encryption devices, and computer workstations.
Configure, troubleshoot, and design Cisco routers (or other vendor) and multi-layer switches.
Designs and plans network communications systems; plans and formulates engineering program.
Support this programs senior leadership personnel and manage small projects from inception to completion including technical assessments, architectural design and planning, integration, testing, and implementation.
Diagnose network failures that results in unavailable services personnel and to take appropriate steps to repair or restore services.
Maintains a network monitoring plan for the programs networks.
Conducts testing of network designs.
Create Layer 2/Layer 3 Provisioning and Configuration Control Board Documentation.
Provides specifications and detailed schematics for network architecture.
Conduct Network Topology Surveys.
Document Network infrastructure at the logical and functional levels.
Serving as the point of contact for network engineers from the Office of the CIO and other IT organizations external to the CAC laboratory.

Mandatory Skills:

Bachelor's Degree, in computer science, information systems, engineering, mathematics, or four (4) years equivalent experience.
Ten (10) years' experience in network configuration and maintenance as it relates to network components, network encryption devices, and computer workstations.
Advanced understanding of networking systems.
Strong knowledge of Routing and Switching systems (Cisco preferred) with at least ten (10) years practical experience installing and maintaining routers and switches.
A strong knowledge of Multicast, Virtual LAN's, and Trunking (VLAN's) and Network Security Appliances.
Ten (10) years' experience performing the full network engineering lifecycle (i.e. design, install, test, and maintain network system).

Type: Contract
Job #3892

Database Engineer
Richardson, TX
TS/SCI w/ Poly
Compensation Range: $140,000 – $170,000

Job Responsibilities:
• Identify and understand customer needs and apply sound, demonstrable understanding of database principles, theories, and concepts related to software engineering to translate those needs to viable design solutions.
• Translate needs and design requirements into physical data models.
• Analyze business requirements, RFCs, and technical specifications to identify data modeling impacts and design needs.
• Collaborate with systems engineers, product owners, architects, and stakeholders to gather and validate data requirements.
• Design new database structures (tables, indexes, constraints, views) and modify existing models to accommodate program needs.
• Author and implement database data model changes (DDL) using database change control automation.
• Work with developers on best practices for interacting with databases, writing and maintaining SQL statements.
• Utilize data modeling tools such as Oracle SQL Developer Data Modeler, Oracle Designer, and others.
• Demonstrate critical thinking skills with the ability to communicate concepts and ideas clearly.
• Use proven problem solving and analytical skills.
• Work in an Agile/Scrum environment.
• Obtain Security+ certification within 60 days of start.
Basic Quals:
• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of Database Engineering experience.
• Five (5) years of experience performing relational data modeling with Oracle and PostgreSQL Relational Database Management Systems (RDBMS).
• Eight (8) years of experience with Oracle SQL and PL/SQL and PostgreSQL SQL and pl/pgsql skills.
• Experience with bash scripting and python.
• Experience working with Systems and Software Engineers to design, implement, and modify backend databases to interact with applications.
• Experience and strong Linux command line skills to perform database administration activities, deployment automation.
• Active and transferable TS/SCI CI Poly prior to start date. U.S. Citizenship is required as only U.S. Citizens are eligible for a clearance.
Preferred Quals:
• Existing Security+ Certification (or higher).
• Experience using AWS RDS for Oracle and AWS Aurora PostgreSQL database services.
• Experience with NoSQL database products such as MongoDB and DynamoDB.
• Data architecture experience for critical design decisions (such as the suitability of a product/technology for a given use case).
• Experience troubleshooting database issues such as Disaster Recovery, replication & backups and other related issues.
• Experience troubleshooting database performance issues.
• Strong SQL tuning experience in Oracle and PostgreSQL.
• Experience with database security controls and audit & compliance requirements.
• Experience virtualizing or containerizing databases.
• Experience with automating routine tasks.
• Experience using Oracle Spatial and/or PostgreSQL PostGIS.
• Experience using git source control.
• Experience using Atlassian Jira and Confluence.

Type: Contract
Job #3891

Senior Systems Integration & Test Engineer
Richardson, TX
TS/SCI
Compensation Range: $100,000 – $140,000

Job Responsibilities:
• In this role, you will work with a cross-disciplinary team of engineers who are leading the industry in ground systems solutions.
• Conduct integration and test activities as a member of an Agile Release Train (ART) team.
• Identify technical issues during software and hardware integration and collaborate with fellow engineers to drive solutions to closure.
• Develop and execute automated test scripts.
• Troubleshoot and debug system issues.
• Operate effectively within an Agile program environment.
Basic Quals:
• Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.
• Experience with systems integration and testing of software products in Agile, CI/CD environments
• Experience with regression testing, test scripting, and/or test automation tools
• Experience with troubleshooting and debugging software-based systems and products
• Experience with with Linux (Red Hat), Python, and/or Perl scripting
• Active and transferable TS/SCI U.S. government issued security clearance is required prior to start date with the ability to obtain a Polygraph after start.
Preferred Quals:
• Experience working in a Satellite Ground System development or operations environment
• Experience with ground station and satellite domains (such as terrestrial data networking, command and telemetry, launch operations, flight dynamics, mission planning, on-orbit operations), CompTIA Security + or equivalent certification
• Experience with Atlassian tools (Jira, Confluence, Bitbucket)
• Experience in Test Automation experience (Cucumber, Gherkin, Zypher, SoapUI)
• Experience with Java, C++, or Python, Experience with Linux operating system, Experience in a Cloud environment; AWS certification is helpful

Type: Contract
Job #3890

Software Engineer IV
State College, PA
Active TS/SCI

In the Java/Python AI/ML/Data Science Software Engineering role, you will design, develop, and test AI/ML, Java and Python code in a Linux, Agile, DevOps environment. We are at the forefront of aerospace and defense technology. Our Satellite Ground Systems Team plays a pivotal role in ensuring communication, surveillance, and defense capabilities through cutting-edge satellite systems. We invite you to be part of a team that pushes the boundaries of what's possible. Due to the security clearance requirement, this is an onsite position in our State College, PA office.

Responsibilities:
• Design, develop, and maintain advanced software applications for our Satellite Ground Systems.
• Collaborate closely with systems engineers, hardware designers, and other software engineers to deliver reliable and high-performance software solutions.
• Design, implement, and test AI, ML, Java and Python based applications and software components for satellite ground systems.
• Work in parallel with legacy platform teams to eventually migrate workloads onto your pipelines.
• Collaborate with cross-functional teams to define software requirements and specifications.
• Work with previously written code and make modifications as necessary.
• Ensure software performance, reliability, and scalability.
• Participate in software design reviews, code reviews, and system integration activities.
• Contribute to the completion of program and project milestones under the specific guidance of their immediate supervisor.
• Follow established Software processes and procedures, development, documentation and maintenance/management of operations concepts, requirements (system, element, segment level), external and internal interfaces, and other software engineering work products/artifacts.

Preferred Qualifications:
• Experience working in an AI/ML/Data Science role
•Strong analytical skills and proactive problem-solving abilities, with a deep understanding of AI/ML technologies, cloud architecture, and enterprise software.
• Experience working with large datasets and performing data analysis.
• Security+ certification.
• Experience with Git, Jenkins, Docker, Kubernetes.
• Experience with the Atlassian Tool Suite (e.g. JIRA, Confluence, BitBucket).
• Experience with cloud computing platform (e.g. AWS or Azure).
• Experience with satellite communication systems and protocols is highly preferred.
• Familiarity with secure coding practices, especially in a defense or aerospace setting.

Type: Contract
Job #3889

Software Engineer
Aurora, CO
TS/SCI w/ Poly
Compensation Range: $85,000 – $115,000

Job Responsibilities:
• Supports troubleshooting, maintenance, and documentation of software applications
• Expected to troubleshoot and isolate sources of system errors or unexpected performance
• Performs testing, integration and delivery of new software baselines
• Ability to perform in-depth analysis and assessment with an end-to-end perspective of a complex system in operations
• Active and transferrable TS/SCI with polygraph U.S. government issued clearance is required prior to start date
Basic Quals:
• Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 2 years of prior relevant experience
• Experience with coding software in Java, or C++
• Experience in software development and/or software integration
Preferred Quals:
• Experience with software configuration management systems such as git or bitbucket
• Ability to work in a structured configuration-controlled environment, primarily focused on the support and maintenance of real-time software applications on an Operations and Maintenance (O&M) contract
• Linux/Unix, GIT, and SQL experience
• JIRA, BitBucket and Confluence experience desired

Type: Contract
Job #3888

Software Engineer
Aurora, CO
TS/SCI w/ Poly
Compensation Range: $125,000 – $155,000

Job Responsibilities:
• Supports troubleshooting, maintenance, and documentation of software applications
• Expected to troubleshoot and isolate sources of system errors or unexpected performance
• Performs testing, integration and delivery of new software baselines
• Ability to perform in-depth analysis and assessment with an end-to-end perspective of a complex system in operations
• Active and transferrable TS/SCI with polygraph U.S. government issued clearance is required prior to start date
Basic Quals:
• Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior relevant experience
• Experience with coding software in Java, or C++
• Experience in software development and/or software integration
Preferred Quals:
• Experience with software configuration management systems such as git or bitbucket
• Ability to work in a structured configuration-controlled environment, primarily focused on the support and maintenance of real-time software applications on an Operations and Maintenance (O&M) contract
• Linux/Unix, GIT, and SQL experience
• JIRA, BitBucket and Confluence experience desired

Type: Contract
Job #3887

Systems Engineer
Aurora, CO
TS/SCI
Compensation Range: $85,000 – $115,000

Job Responsibilities:
• Analyze and define how the system works creating use cases
• Decompose requirements, define system interfaces and help determine how requirements will be validated and verified by the test team
• Provide engineering support for the execution of a portion of the programs test program including test processes and baseline definition and test architecture design
• Support regression testing across deliverable releases to the program baseline
• Support and attend technical reviews and technical interchanges in support of the program
Basic Quals:
• Typically requires a Bachelor's Degree in Systems, Mechanical, Aerospace, or Electrical Engineering, or a related field and minimum 2+ years of prior relevant experience
• Experience with systems engineering lifecycle, roles and functions, with specific experience in one or more of the following areas: Concept of Operations (ConOps) development, requirements definition and management, functional analysis or interface definition and control
• Development experience on a government contract with experience in systems engineering
• Experience with Agile principles, to include Agile systems engineering practices and understanding of Agile roles
• Development experience in project domain (e.g., mission management ground systems, space-based ISR platforms)
• Experience working in an Agile development environment and with Agile development tools (e.g., Jira, Confluence, Bitbucket, etc.)
• Active TS/SCI Security clearance
Preferred Quals:
• Experience with MBSE tools (e.g., Cameo Systems Modeler)
• Experience with requirements management in DOORS or other requirements databases
• Good oral and written communication skills as well as good collaboration skills and the ability to work in a team environment

Type: Contract
Job #3886

System Safety Engineer
Aurora, CO
Active Secret
Compensation Range: $150,000 – $190,000

Job Responsibilities:
• Design of concise, testable safety requirements or providing safety analysis of existing requirements
• Performing System Safety Program or Design analyses
• Placement in challenging or under-performing programs with the expectation of improvement of the safety program
• Managing multiple-large system safety programs or a safety product line
• Collaborating with other disciplines during program technical execution
• Interfacing with key stakeholders (e.g. customers, program offices, subcontractors, vendors)
• Mentoring Multiple Jr. Engineers
• Preparing Safety Assessment Reports and Safety Program Briefs for Customer Approval
• Streamlining processes and reports across a product line for improved efficiency
• Briefing safety of the program at technical reviews and as part of the safety approval process
• Interpreting system requirements, customer specifications and military standards
• Preparing internal and customer reports describing various analyses relevant to the System Safety program
• Collaborating across multiple disciplines to gain a full understanding of product architecture and design On-Site Means they will be working at a Raytheon Facility.

Qualifications:
• Typically Requires: Bachelor's degree and 8 years of relevant experience OR an Associate’s degree and 10 years of relevant experience OR an advanced degree in a related field and minimum 5 years’ experience. In absence of a degree, 12 years of relevant experience is required.
• Experience with: System Safety Engineering, System Engineering, Software or Firmware Engineering, or equivalent Safety Engineering experience in areas such as Aerospace, Automotive or Medical Device.
• The ability to obtain and maintain a US security clearance. US citizenship is required as only US citizens are eligible for a security clearance
• System thinking and the desire to influence the program as a whole
• Experience with industry System Safety Programs (especially in DoD or Aerospace fields) • Strong written, verbal and presentation skills
• Strong interpersonal and project management skills, with the ability to manage a safety program and provide direction to supporting safety personnel
• Degree in Science, Technology, Engineering or Mathematics (STEM)
• Experience working with US Military programs
• Strong analytical and problem solving skills

Type: Contract
Job #3885

Software Engineer
Aurora, CO
Active TS/SCI
Compensation Range: $175,000 – $200,000

Job Responsibilities:
• A breadth of advanced software technologies and techniques including multi-tiered architectures, AWS web services, and microservice software design.
• Modern DevSecOps and Continuous Integration/Continuous Delivery techniques.
• Software lifecycle practices for large-scale defense projects.
• Satellite ground system technologies including command & telemetry, flight dynamics, planning and scheduling, and spacecraft operations.

Basic Qualifications:
• Requires a Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and 10 years of relevant software engineering experience.
• Experience developing object-oriented software using Java and C++.
• Experience developing software in a Linux environment.
• Experience with Atlassian tools such as Confluence, Jira, and Bitbucket.
• Experience developing software on the M2C2 or Rushmore program
• An active and transferable U.S. government issued TS/SCI security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Preferred Qualifications:
• Software development lifecycle experience using the SAFe Agile methodology.
• Experience developing software using Python.
• Experience with AMMP, Cucumber, GIT, Khaos (M2C2 FD), Kubernetes, Oracle, Postgres, SonarQube, Weblogic, WIGS/Angular.
• Experience with cybersecurity, DevSecOps, and CI/CD processes.
• Experience working with full stack development.

Location: Dahlgren, Virginia
Type: Contract
Job #3884

Title: Technical Support Specialist
Location: Dahlgren, VA
*Clearance: *Active Secret Clearance needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Two (2) years of related IT/Help Desk Support experience

Technical Proficiency

Networking concepts, protocols, and security methodologies
System performance and availability monitoring
Network access, identity, and access management (e.g., PKI)
Remote access technologies
Systems administration concepts
Common network tools (ping, traceroute, nslookup)
Electronic device functionality (computers, network components, peripherals)
OS command line execution (ipconfig, netstat)
Cloud computing service/deployment models (SaaS, IaaS, PaaS)
Network protocols (TCP/IP, DHCP, DNS)

Security Awareness

Cybersecurity principles, threats, and vulnerabilities
National/international cybersecurity laws, regulations, and ethics
Organizational IT security policies (account management, access control)
Data security standards (PII, PCI, PHI)
Information classification, compromise procedures, and incident management processes

Support & Service Delivery

Risk management (assessment and mitigation)
Incident data analysis and trend identification
Service desk best practices
Customer service and communication skills
Technical training development and delivery
Incident tracking and solution database management
Trouble ticketing system utilization (incident, problem, event documentation)
SOP development and maintenance

Location: Dahlgren, Virginia
Type: Contract
Job #3883

Title: Systems Administrator
Location: Dahlgren, VA / San Diego, CA / Norfolk, VA (3 different locations)
*Clearance: *Active Secret w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Four (4) years of system management experience

Network Infrastructure

Networking concepts, protocols, and security methodologies
LAN/WAN architecture and pathways
Bandwidth management principles
Network traffic flow (TCP/IP, OSI, ITIL)
Performance tuning tools and techniques
Remote access technologies
VPN security
Network protocols (TCP/IP, DHCP, DNS, directory services)
Common tools (ping, traceroute, nslookup)
File system implementations (NTFS, FAT, EXT)
Virtualization technologies and VM management

Security Expertise

IT security principles (firewalls, DMZs, encryption)
Network security architecture (topology, protocols, defense-in-depth)
Cybersecurity principles, threats, and vulnerabilities
National/international cybersecurity laws, regulations, and policies
Organizational IT security policies (account management, access control)
Data security standards (PII, PCI, PHI)
System administration, network, and OS hardening techniques
Software-based protection tools (firewalls, antivirus, anti-spyware)
Transmission methods (Bluetooth, RFID, IR, Wi-Fi) and jamming techniques

System Administration

Server and client operating systems
Systems administration concepts and best practices
Enterprise IT architecture
Diagnostic tools and fault identification
OS command line utilities (ipconfig, netstat, dir, nbtstat)
System maintenance procedures (cleaning, disk checks, reboots, backups)

Cloud Computing

Service models (SaaS, IaaS, PaaS)
Deployment models (private, public, hybrid)
Cloud security strategy and architecture

Location: Dahlgren, Virginia
Type: Contract
Job #3882

Title: Information Systems Security Analyst
Location: Dahlgren, VA
*Clearance: *Active Secret Clearance needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Four (4) years of experience in Cybersecurity.

Core Competencies

Cybersecurity principles, threats, vulnerabilities, and risk management processes
Encryption algorithms (IPSEC, AES, GRE, IKE, MD5, SHA, 3DES)
Data backup/recovery tools and disaster recovery planning
Host/network access controls (ACLs)
Incident response and intrusion detection methodologies
Network traffic analysis and protocols (TCP/IP, OSI, ITIL)
System/application threats (buffer overflow, cross-site scripting, SQL injection)
Security architecture and enterprise reference models
National/international cybersecurity laws, policies, and ethics
Penetration testing principles, tools, and techniques

Technical Proficiency

Networking concepts, protocols, and security methodologies
System performance monitoring and ISO standards
System life cycle management, software security, usability
System/server administration and engineering methods
Server/client operating systems
Network security architecture (topology, defense-in-depth)
Network systems management tools
System administration, network, and OS hardening techniques
Cloud computing models (SaaS, IaaS, PaaS) and cloud security strategies
Data security standards (PII, PCI, PHI)

Leadership & Management

Information security and project management principles
Resource management techniques
Risk assessment and mitigation processes
Secure acquisitions, procurement, and supply chain risk management
IT supply chain security and compliance with laws, directives, and guidelines
Organizational risk tolerance and management approaches
Critical IT procurement requirements

Location: Dahlgren, Virginia
Type: Contract
Job #3881

Title: Program Manager (PM)
Location: Dahlgren, VA

*Clearance: *Active Top Secret Clearance needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Five (5) years of experience in Contract Management.
Current PMP Certification
Familiarity with Navy Network systems design, development, test and evaluation, and training of systems.
Overseeing both the technical and administrative aspects of Government contract performance.
Oversight of timeliness and quality of contract service and data deliverables.
Oversight of contract schedule and cost.
Experience as a manager of a team of skilled professional, technical, and support personnel involved in Navy Network.
Demonstrated ability to interface effectively with customers and to deliver quality products on time and within budget.
Demonstrated ability to plan, design, coordinate, control the progress of project work to meet sponsor objectives, and manage a diverse technical workforce and team consisting of multiple skill sets.

Location: Annapolis Jct, Maryland
Type: Contract
Job #3878

Title: ELM Technical Manager
Location: Annapolis Junction, MD
Salary Range: $200 – $220K

Description:
The role provides PeopleSoft software/system functional and development consulting services at client location. Those who excel in this role are motivated self-starters who love to solve challenging problems and are comfortable working directly with customers and executive leadership. This role requires a strong functional knowledge of PeopleSoft ELM and its as well as the following diverse skill sets:

Excellent interpersonal skills to interact with customers, executive leaders, and team members.
Ability to assess the high-level architectural design, research potential implementation road maps, and conduct feasibility assessments.
Ability to translate technical requirements reflecting customers desired outcomes helping developers produce the best product possible
Drive towards customer buy in and drive development processes when needed
Excellent analytical and creative problem-solving skills for design, creation and testing of software.
Ability to work independently and as part of a team.
Deep functional knowledge across HCM, Financials and Education applications. Specifically with the PeopleSoft ecosystem with strong experience to make recommendations for low cost and long-term maintenance
Deep reporting background and expertise with understanding of various technologies spanning vendors. Understanding data warehouse theory and concepts. Work with end users to generate reporting artifacts, as well as explain concepts and help users with little or no technical background.

Qualifications:

Minimum 8 years of technical experience relevant to this position
Undergraduate degree or equivalent experience preferred
Product or technical expertise in PeopleSoft ELM, HR and Financials, SQL, PeopleTools
Understanding of selective adoption and Peoplesoft Update Manager (PUM), Peoplesoft Query Manager, ELM data dictionary
Ability to communicate effectively and build rapport with team members and clients
Project Management background managing small to medium size projects and project teams.
Experience with entire software development life cycle.
Passion for technology, the curiosity and willingness to constantly learn new skills, work with new tools and discover new and innovative approaches to solving complex technical challenges.
The ability to articulate technical concepts to non-technical audiences and, vice versa, translate functional needs to technical solutions.

Desired Qualifications:

Strong in programming fundamentals and have good understanding of database concepts.
Strong troubleshooting skills.
Exposure to Agile/SCRUM methodologies.
Cloud experience

Type: Contract
Job #3877

Software Engineer
State College, PA
Active TS/SCI
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Basic Qualifications:
• Active and transferable U.S. government issued TS/SCI security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and two (2) years of Software Engineering experience.
• Experience in object-oriented software design and development using Java and Python in a Linux environment.
• Experience with unit testing tools (e.g., JUnit).
• Exposure to AI/ML and Data Science.
• Experience working in an agile environment
Preferred Qualifications:
• Experience working in an AI/ML/Data Science role
•Strong analytical skills and proactive problem-solving abilities, with a deep understanding of AI/ML technologies, cloud architecture, and enterprise software.
• Experience working with large datasets and performing data analysis.
• Security+ certification.
• Experience with Git, Jenkins, Docker, Kubernetes.
• Experience with the Atlassian Tool Suite (e.g. JIRA, Confluence, BitBucket).
• Experience with cloud computing platform (e.g. AWS or Azure).
• Experience with satellite communication systems and protocols is highly preferred.
• Familiarity with secure coding practices, especially in a defense or aerospace setting.

Location: Tysons, Virginia
Type: Contract
Job #3872

Title: Information Systems Security Engineer
Location: Tysons, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Description: The Information Systems Security Engineer supports the client and the team in defining security requirements; advises on, executes and oversees cybersecurity, information assurance (IA) programs, authority to operate (ATO), accreditation and authorization (A&A), User Activity Monitoring (UAM), and system security plans.
Responsibilities:

Lead for automated security testing efforts leveraging Sponsors enterprise scanning tools
Responsible for creation and delivery of the Monthly Vulnerability Scans
Responsible for creation and delivery of the Monthly Privileged Users and Admin report
Overall Lead for ensuring systems are secure by protecting data and ensuring need to know
Responsible for working with Tech team on creating any necessary POAM's
Helps PM with the Contract Security Plan
Works with PM and Sponsor's Information System Security Manager and INFOSEC Program Council as necessary
Authors and maintains the programs System Security Plan (SSP) for A&A
Provides the required security education and plan to sponsor for the program
Authors and maintains the programs Automated Information Systems (AIS) Plan

Required Skills:

4-7 years’ experience with:
Application security standards and processes
Accreditation and Authorization (A&A), including documentation, POAMs, and remediation
Application and data security requirements for authorities to develop and operation systems (ATD, ATO) such as encryption, role-based security, information assurance, and monitoring/auditing/reporting
Coordination with engineering team to implement security requirements
Agile / Scrum

Type: Contract
Job #3870

Infrastructure Engineer – Level 5 (Senior Platform Engineer)
Richardson, TX
TS/SCI

Cornerstone Defense is seeking a Principal Platform Engineer with well-rounded Linux Infrastructure Engineering expertise to join an agile product team. The Ideal candidate will have experience in both traditional infrastructure design; provisioning of platform, storage, and networking resources for existing on-premise infrastructure that ideally also has experience in emerging DevOps/DevSecOps & Modernized technologies. The Senior Platform Engineer would be engaged in the design and implementation of the system updates and upgrades with Focus on the Linux Server / Linux OS expertise and will support Technical Exchange Meetings (TEMs) and provide project status as required.

The Senior Platform Engineer would be involved with development, implementation of traditional compute/network/storage systems and related deployments, as well as support improving the program platform’s over-arching design through new emerging technologies. This includes existing operating systems and existing server hardware designs, as well as supporting the design and development of new modernized system architectures through Automation tools.

Responsibilities:

You will leverage company and industry best practices and capabilities to develop and communicate implementation, of infrastructure solutions.
You will maintain existing systems through Linux Based Tools and manage the COTS stack on the system to support program needs.
You will Utilize various scripting and Automation tools to develop and maintain the program’s infrastructure.
You will ensure that the COTS stack and versioning is consistent across the platform; and will work with the team to make updates as necessary.

Qualifications:

Typically requires BS/BA Degree in Science, Technology Engineering Math (STEM) in Computer Science, Computer Engineering, Information Technology or Physics and 8 years of related work experience
Current TS/SCI issued security clearance is required day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Hands on Experience with Linux Operating System
Scripting skills: Bash, Python, Java, Perl, Ruby, Tcl/Tk
Experience with markup languages: YML, XML, JSON
Experience with automation tools: Ansible, Terraform, Jenkins, Bitbucket
Proficient with MS Office suite: Word, Excel, PowerPoint, Visio

Desired Skills:

Familiar with container orchestration: Kubernetes, Docker, Podman, Helm, Rancher
Familiar with Lightweight Directory Access Protocol (LDAP)
Familiar with Information Technology Service Management tools: ServiceNow, Atlassian (Jira, Confluence)
Familiar with Agile project management, Scrum methodology
A Background in Systems Operations or Engineering; supporting large complex Information Technology environment.
A Current Poly Is strongly desired for this role in order to get Privilege User access to systems.

Location: Chantilly, Virginia
Type: Contract
Job #3869

Title: Systems Engineer
Location: Chantilly, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

The office independently operates a hybrid-cloud mission infrastructure hosting applications and a large data lake, requiring them to manage all infrastructure components and enterprise services like Active Directory. The office requires support specializing in systems engineering and IT project management to guide systems through security accreditation and create essential documentation, including System Security Plans and SOPs. System Engineers will decompose customer requirements into technical solutions, considering architectural impacts, performance, and life cycle costs, while also assisting with project estimation, scheduling, and cost of cloud solutions. The team is responsible for managing the storage, security, and maintenance of data, including patching, upgrades, and monitoring the physical infrastructure.

Demonstrated experience using forensic software such as Cellebrite, XRY, WinHex, FTK, and Autopsy.
Demonstrated experience utilizing bash scripting, and bash command lines using Ubuntu and RedHat.
Demonstrated experience using Storage system installation design and architecture in multi-petabyte environments.
Demonstrated experience using various instances of Windows – troubleshooting, patching, updates, managing active directing, supporting users and supporting security posture.
Demonstrated experience installing, maintaining, and configuring Aspera Enterprise Server and Aspera P2P.
Demonstrated experience maintaining, configuring, administering Mongo Databases.
Demonstrated experience analyzing existing systems and identifying necessary corrective actions and improvements.
Demonstrated hands on experience performing server installation, rack or capacity planning, facility and space management, equipment commissioning and decommissioning.
Demonstrated ability to create and maintain SOP documentation used by technical and non-technical personnel.
Demonstrated ability to teach digital forensics to large audiences of diverse backgrounds.
Demonstrated experience creating, maintaining and sharing curated work data.
Demonstrated experience providing aftercare support, such as integration support for previously installed software and programs.
Demonstrated experience performing tier 1 thru tier 3 support, including both systems troubleshooting and incident tracking and management.
Demonstrated hands on experience serving as an Engineering Lead, coordinating, scheduling, deconflicting, and resolving conflicts between IT engineering projects.
Demonstrated experience using Sponsor’s digital forensic triage application.

Location: Annapolis Junction, Maryland
Type: Contract
Job #3868

Title: Virtualization-Savvy CNO Developer
Location: Annapolis Junction, MD
Compensation Range: $180 -$200K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Overview:
We are seeking a highly motivated and technically skilled CNO Developer to join our Virtualization Team supporting mission-critical cyber operations. The ideal candidate will have a strong foundation in low-level systems programming, embedded development, and Windows internals, with a passion for solving complex technical challenges in secure and virtualized environments.

Core Tasks:

Develop and maintain low-level software in C, targeting Windows platforms and embedded systems.
Apply deep understanding of Windows internals to support the development of stealthy and resilient capabilities.
Implement and optimize memory management techniques for performance and stability in constrained environments.
Analyze and implement network protocols, including secure communication layers such as SSL/TLS.
Perform reverse engineering and debugging of binaries to identify issues, understand behavior, and enhance functionality.
Collaborate with team members to integrate capabilities into virtualized environments and support mission deployment.
Participate in code reviews, documentation, and technical discussions to ensure high-quality deliverables.

Desired Skills:

Experience with Python for scripting, automation, or rapid prototyping.
Familiarity with virtualization technologies (e.g., VMware, Hyper-V, KVM).
Exposure to malware analysis, exploit development, or CNO toolchains.

Qualifications:

Minimum 3 years of experience in CNO-related work.
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity

Location: Reston, Virginia
Type: Contract
Job #3865

Title: Business Process Analyst
Location: Chantilly, Virginia
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:

Business Process Analyst
FSP is a requirement
——

Seeking a Business Process Analyst responsible for creating, documenting, maintaining, developing, and enhancing client-specific business processes and rules databases, also known as the Knowledgebase (KB). This position provides documentation, analysis, and configuration services to reflect updates for regulatory and acquisition policy, customer-specific business processes, and other enhancements to Clent’s solutions.

As a member of an integrated team, the Business Process Analyst also participates in the operation of Client’s Level 1 Help Desk. Overall, this position is responsible for proactively and collaboratively working with project managers, teams, and other organizational groups in a tactical capacity, evaluating internal and external client requirements, and implementing practical solutions promptly.

Job Duties:

Develop and maintain a fundamental understanding of Federal Acquisition Regulation (FAR), policies, and practices. Maintain currency with FAR policies and practices by attending continuing education courses, participating in research assignments, and self-initiated exploration of related publications
Develop the skills required to maintain, enhance, and test client agency KBs by gaining a complete understanding of team procedures and toolsets, and through the successful completion of staff training exercises and individual KB assignments (tasks)
Perform Knowledgebase configurations, logic, implementation, and business process verification/testing
Analyze Regulatory changes and determine their impact on client products
Analyze business and user needs, document user requirements, and translate into accurate specifications
Achieve proficiency in all major client products, including the AAMS software suite, through internal staffing training, self-guided tutorials, and daily exposure to individual product feature sets
Obtain competency in Level I customer support functions and internal helpdesk procedures through call monitoring and participate in helpdesk activities/functions
All other duties as assigned

Required Skills:

2+ years prior work experience
Ability to work in a team-oriented environment for a matrixed organization
Functional knowledge of productivity tools such as Microsoft Office (Word, Excel, Outlook)
Excellent verbal and written communication skills
Ability to collaborate with internal and external customers
Demonstrated analytical capabilities

Desired Skills:

Knowledge of the Federal Acquisition lifecycle or commercial contracting
Knowledge of Federal financial systems or commercial accounting
Experience with Federal government contracting and/or program office organizations
Experience with logic structures

Type: Contract
Job #3862

Infrastructure Engineer
Aurora, CO
TS/SCI w/ Poly
Compensation Range: $130,000 – $150,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Responsibilities:

Support transitioning a system that is tightly coupled to the underlying infrastructure.
Assist with architecture, design, development, integration, and support of build, integration & test, and deployment pipelines, optimizing for performance and scalability across cloudbased computing environments.
Leverage company and industry best practices and capabilities to improve scalability, consistency, infrastructure efficiency, reduce deployment time, and automate configuration management.
Collaborate with software engineers, data scientists, and other agile development teams to design and implement robust platform solutions.
Integrate security and compliance into the platform with services such as encryption and access management.
Provide operational support for the platform

Basic Qualifications:

Typically requires BS/BA Degree in Science, Technology Engineering Math (STEM) in Computer Science, Computer Engineering, Information Technology or Physics and 5 years of related work experience
Experience designing, implementing, and integrating Cloud based systems on infrastructure platforms such as AWS.
Experience with automation frameworks such as Terraform, Ansible, and Chef
Experience with programming/scripting languages (E.g. Python, Java, Ruby, Bash, C++, C#, Go)
Must meet DoD 8570 IAT level II requirements (Security + CE or equivalent)
Active and current U.S. government TS/SCI with CI Poly security clearance is required day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Preferred Qualifications

Experience deploying, configuring, and supporting CICD Pipelines tools (E.g. Jira, Confluence, Bit Bucket, Jenkins, Artifactory, Gitlab)
Experience with RedHat Linux Experience developing, testing & delivering applications w/in a DevSecOps framework
Experience with automation frameworks such as Terraform, Ansible, and Chef
Experience with scanning tools (E.g. Nessus, Fortify, Anchore)
Infrastructure experience with computers, networks, storage, and virtualization
Experience with cloud platforms such as AWS or Google cloud
Experience developing, testing & delivering applications w/in a DevSecOps framework
Experience with troubleshooting applications & infrastructure services on Linux based Operating Systems Background in COTS/FOSS product installation, configuration, and integration

Location: Annapolis Junction, Maryland
Type: Contract
Job #3861

Title: Software Engineer 4 (Hybrid)
Location: Annapolis Junction, MD
Compensation Range: $210 -$230K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Position Description:
The Software Engineer shall be responsible for developing and maintaining a system that manages access to HPC resources in a large multi-tenant containerized Kubernetes Linux environment.
Qualifications:
Master's degree in Computer Science or related discipline from an accredited college or university, plus ten (10) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR
Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus twelve (12) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
OR
Fourteen (14) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
Requirements:

Experience using the Linux CLI
Experience developing and maintaining scripts using Bash/Python
Experience installing, configuring, and supporting COTS/GOTS/FOSS software, libraries, and packages in a Linux environment
Recent software development experience using Python
Experience designing and developing REST interfaces using FastAPI
Experience with containerization technologies such as Docker, PodMan, and containerd
Experience with container orchestration technologies including Kubernetes
Experience administering Kubernetes clusters in an AWS environment
Experience with IaC (Infrastructure as Code) concepts, principles and automation tools including Ansible and Terraform
Demonstrated experience using system monitoring tools such as Grafana/Prometheus
Experience with CI/CD principles, methodologies, and tools including GitLab
Experience using Git Version Control System

Position Desired Skills:

Experience with the Atlassian Tool Suite (JIRA, Confluence)
Familiarity with web technologies including JavaScript, HTML, CSS, and React
Familiar with HPC workload management systems including Slurm
Experience with ArgoCD, AirFlow, SQL, and JupyterLab
Familiar with stream/batch Big Data processing and analytic frameworks including Spark
Experience with Identity and Access Management (IAM) solutions including Keycloak

Location: Chantilly
Type: Contract
Job #3859

Software Developer – Workflow Automation

Chantilly, VA

Mission: We are looking for a Software Developer who thrives at the intersection of process and code. In this role, you won’t just be “fixing tickets”—you’ll be architecting the digital workflows that keep our mission moving. You will work within a high-velocity team to transform complex functional requirements into elegant, automated business logic.

Required Technical Background:

Languages: JavaScript (Essential), HTML5, CSS3, XML
Primary Platform: ServiceNow (Experience in Appian, Jira Service Management, or Power Automate is highly transferable)
Integration: REST/SOAP APIs,
Frameworks: ITIL Framework

What You’ll Do:

Build & Automate: Develop and maintain end-to-end workflows, custom forms, business logic, and UI policies that streamline enterprise operations.
Collaborate: Work under the guidance of a Technical Team Lead to hit roadmap milestones, while partnering with Functional Analysts to turn “vague ideas” into “unit-tested reality.”
Integrate: Design and implement APIs to ensure our automation platform plays nicely with the rest of the enterprise ecosystem.
Refine: Participate in peer reviews, conduct unit testing, and lead demos to showcase new features to stakeholders.

Required Qualifications:

JavaScript (Angular) Mastery: Strong experience scripting within a workflow automation environment (ServiceNow is preferred, but we value expertise in similar low-code/pro-code platforms).

Type: Contract
Job #3851

Senior Data Engineer
Tysons Corner, VA
Active TS/SCI with Poly

Job Responsibilities:

Work with AI team members to operationalize data pipelines and ML tasks.
Provide day-to-day support of deploying Python-native ML pipelines and perform data engineering tasks to enable AI/ML capabilities.
Present results to a diverse audience in presentation or report form.
Support architectural leadership, technical support, and advisement services to ensure identity management system technologies are integrated and meeting the appropriate security requirements.
Support leadership who engage with senior level executives at a public facing Federal agency and provide subject matter expertise in security architecture and other key domain areas.

Required Skills:

Minimum 10 years experience
Bachelor's Degree in Computer Science, Information Technology Management or Engineering, or other comparable degree or experience
8+ years of experience in Data/ML engineering
Expert Experience with ETL, data labeling, and data preparation
8+ years experience with at least 2 of the following technologies: Cloudera, DataBricks, Snowflake, NiFi, Python, SQL, Kafka
Expert experience designing, developing, and deploying data solutions in classified AWS cloud environments up to IL6+
Expert experience designing, implementing, and maintaining data architecture and services to be used for AI/ML. Additionally, operationalizing and maintaining AI/ML models in production.
Strong communication skills, ability to communicate technical concepts in both layman and technical terms to technical and non-technical stakeholders
Ability to perform data analytics on program related or system related activities. -This will include assessing performance and manual processes implementing methods/algorithms to automate/optimize

Type: Contract
Job #3847

Data Engineer
Tysons Corner, VA
Active TS/SCI with Polygraph

Job Responsibilities:

As a Sr. Data Engineer, you’ll work with team members to build, deploy, and operate data pipelines and data engineering components to enable data brokering and exchange capabilities across a diverse range of producers and consumers. In this role, you will be responsible for building robust, scalable data pipelines while working collaboratively with cross-functional teams to ensure seamless integration, optimized performance, and efficient delivery of solutions.

Work with team members to operationalize data pipelines and supporting cloud infrastructure
Collaborate with external data producers and consumers to obtain and provide data through interfaces such as REST APIs and S3
Provide day-to-day support of deploying Python-native data pipelines and performing data engineering tasks to enable data brokering and exchange capabilities
Provide Tier 2/3 troubleshooting and incident resolution support for data pipelines in Production

Required Skills:

4+ years of proven experience in data engineering, with expertise in designing, developing, and maintaining data ingestion, transformation, and loading pipelines and components
Demonstrated experience in designing and deploying data pipelines leveraging AWS cloud infrastructure across multiple classification domains (e.g., IL5 to IL6+)
Experience with Infrastructure-as-Code (IaC) tools, including Terraform, CloudFormation, or Ansible, to automate deployment of data pipeline cloud infrastructure
Understanding of RMF security principles and hands-on experience implementing security controls for data pipelines in cloud environments
Strong scripting and programming skills in languages such as Go, Python, and Bash
Experience with data pipeline tools and technologies such as Nifi, Hadoop, HDFS, and Kafka. Experience implementing data pipelines in the Cloudera Data Platform environment is highly preferred.
Strong communication skills, with the ability to clearly convey complex technical concepts