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: Annapolis Junction
• Type: Contract
• Job #3809

Title: Software Engineer 3 (Monitoring Capabilities)
Location: Annapolis Junction, MD
Compensation Range: $190 -$210K
*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 *

Summary:
The Software Engineer shall be responsible for developing rapid experimental prototypes of particular capabilities associated with the improvement and modernization of metrics and monitoring capabilities within the Y33 organization. Tasking shall also include demonstrations to validate concepts and to prove operational capability and scalability.

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
• Experience developing scripts using Bash/Python
• Experience developing with Java in a Linux environment
• Experience with software frameworks used for searching, monitoring, and analyzing big data such as Splunk, and Elastic Stack
• Experience with monitoring and alerting tools including Prometheus
• Experience with data visualization and analytics tools including Grafana
• Experience developing with messaging frameworks including Kafka
• Experience with noSQL technologies such as Elasticsearch and MongoDB
• Experience with Key/Value and Time-series databases such as OpenTSDB
• Experience with IaC (Infrastructure as Code) principles and automation tools including Ansible
• Experience with CI/CD concepts, principles, methodologies, and tools such as GitLab CI
• Experience with Git Version Control System

Desired Skills:

• Experience with the Atlassian Tool Suite (JIRA, Confluence)
• Experience with containerization technologies such as Docker

• Type: Contract
• Job #3801

Systems Administrator
Aurora, CO
Active TS/SCI w/ Poly
Compensation Range: $90,000 – $110,000

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.

Job Responsibilities:
• Monitor and maintain computer configurations and performance in a VMware virtual environment
• Perform Operating System, and hardware troubleshooting in bare-metal and virtual environments
• Work with engineering and operations teams to troubleshoot and support systems in a 24×7 operating environment
• Provide IT support to new system developments and system upgrades
• Perform system backups and maintain system reconstitution capabilities and procedures
• Develop and implement scripts to monitor, improve and/or automate system performance and maintainability
• Maintain system documentation, configuration documents, user guides and troubleshooting procedures.
• Systems are operational 24×7 and occasionally require work effort beyond standard work hours.
• Full time 100% Onsite position.

Basic Qualifications:
• Typically requires bachelor’s degree, if no degree must have 6 years of experience.
• Minimum of 2 years of prior relevant experience.
• Must have a Current TS/SCI CI Poly transferable U.S. government issued prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Must have Linux experience
• Experience with administering virtual systems
• Must have a current DODI 8570.01-M IAT Level II (or higher) certification
 

Preferred Qualifications:
• Experience with Networking
• Experience supporting engineers in software, simulations, and hardware development.
 

• Type: Contract
• Job #3800

Infrastructure Engineer
Richardson, TX
Active TS/SCI w/ Poly
Compensation Range: $95,000 – $115,000

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.

Job Responsibilities:
• You will leverage company and industry with the 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 assist with integration of the selected platform provisioning tool such as VMWare
• You will ensure that the COTS stack and versioning and will work with the team to make updates as necessary
• You will travel to customer sites to assist with system updates and deliveries when necessary

Basic Qualifications:
• Typically requires BS/BA Degree in Science, Technology Engineering Math (STEM) in Computer Science, Computer Engineering, Information Technology or Physics and 3 years of related work experience
• Experience with Agile Development Methodologies (E.g. scrum, SAFe)
• Experience with VMware
• Experience with programming languages (E.g. Python, Java, Ruby, Bash, C++, C#, Go)
• Current TS/SCI CI Poly issued security clearance is required on day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Preferred Qualifications:
• Experience with Linux LDAP for creating Linux based accounts and managing roles and permissions
• Experience with basic Linux Bash scripting for task automation and management of existing scripts
• Experience with modernization technologies such as Terraform/Ansible, Artifactory, xray, Jenkins, Bitbucket, Jira, Confluence, Sonarqube etc
 

• Location: Annapolis Junction, Maryland
• Type: Contract
• Job #3796

Title: Software Engineer 2 (GHOSTGEM)
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 *

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 Description
The Software Engineer shall be responsible for developing, sustaining, and troubleshooting GHOSTGEM's software suite of applications including JEDIPOWER/DINO and possibly future capabilities as mission needs arise.  Software development activities include implementation, testing, and integration with other COTS and FOSS products, packages, and libraries. The Software Engineer must have a demonstrated understanding of the software development life cycle.

Position Required Skills

• Experience using the Linux CLI
• Experience developing scripts using Bash/Python
• Recent experience developing Java in a Linux environment
• Recent experience developing with the Spring Framework including Spring Boot, Spring Data and Spring Integration
• Experience with SQL databases including PostgreSQL 
• Experience with NoSQL databases including MongoDB 
• Experience with containerization technologies such as Docker and containerd
• Familiar with Messaging Frameworks such as RabbitMQ and Kafka
• Familiar with CI/CD principles, methodologies, and tools such as Bamboo and GitLab CI
• Familiar with IaC principles, methodologies, and tools such as Ansible
• Experience using Git Source Control System

Position Desired Skills

• Familiar with container orchestration technologies such as Kubernetes
• Experience creating Helm Charts to deploy containerized services on Kubernetes
• Experience with the Atlassian Tool Suite including Jira and Confluence 

• Type: Contract
• Job #3793

Infrastructure Engineer
Aurora, CO
Active TS/SCI w/ Poly
Compensation Range: $95,000 – $115,000

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.

Job Responsibilities:
• You will leverage company and industry best practices and capabilities to design, deploy, implement, modernize, and support scalable network solutions
• You will support Network designs & development related activities, optimizing for performance and scalability across multiple computing environments
• You will utilize your Linux skills at the command line to deploy updates and change products for Cisco based network systems to support program needs
• You will provide guidance on network resource allocation, utilization, and optimization
• You must be a strong troubleshooter with experience in network issue mitigation as well as prevention
Basic Quals:
• Typically requires BS/BA Degree in Science, Technology Engineering Math (STEM) in Computer Science, Computer Engineering, Information Technology or Physics and 3 years of related work experience
• Experience with Linux System Administration (E.g. RHEL 6.0+)
• Experience with VMWare and related virtualized systems
• Comp TIA Security + within 90 days after starting in the role
• Current 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 Quals:
• Advanced Experience configuring, deploying, and supporting network systems (E.g. Cisco, Cisco Nexus, Cisco ASA, Brocade)
• Experience Troubleshooting Layer 2 and Layer 3
• Experience with Firewall Implementation and knowledge
• Scripting in Python (preferred); Bash, Shell
• Experience integrating with identity management, access management, and authorization solutions (PKI, LDAP).
• Experience with Agile Development Methodologies (E.g.: Scrum, SAFe).
• Experience with scanning tools
• Basic Experience Using Automation Frameworks
 

• Location: Chantilly, Virginia
• Type: Contract
• Job #3791

Title: All Source Analyst/Technical Targeter

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Location: Chantilly, 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.

All Source Analyst/Technical Targeter
Level:  Senior
Location: Dulles Corridor
Tasks:
 

• Conduct data research and analysis leveraging customer targeting tools to facilitate operations
• Design and tailor products/deliverables based on needs and deadlines for both tactical and strategic requests
• Mentor new targeters on projects/workflows/tools
• Test new solutions to meet targeting needs
• Design new tools data scientists build for targeters

Qualifications:
TS/SCI with poly Bachelors degree in technical relevant field or 4 years of additional relevant experience 6+ years working for the client in a targeting / data science role

• Experience with trade craft, tools and operations
• Experience with open-source research and applications

Experience ingesting large datasets Scripting using Excel, Python, or similar technologies Extracting data using SQL, Presto, S3, or similar technologies Experience with data visualization tools like Elasticsearch, Kibana, Tableau

• Location: Annapolis Junction, Maryland
• Type: Contract
• Job #3787

Title: DevOps Software Engineer 3 (Hybrid)
Location: Annapolis Junction, MD
Compensation Range: $190 -$210K
*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 DevOps Software Engineer shall be responsible for software integration efforts, development of framework solutions, and maintaining automated infrastructure solutions to ensure high availability and scalability of HPC systems in a Linux environment. In this role, the DevOps Software Engineer shall work closely with various stakeholders to streamline the deployment pipeline and optimize system performance.

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.

Position Required Skills

• Experience with Linux CLI
• Experience writing scripts using Shell/Bash/Python
• Linux administration experience including software integration, service management, configuration management, and routine sustainment operations related to provisioning, storage, and networking.
• Experience installing, configuring, and supporting COTS/GOTS/FOSS software, libraries, and packages in a Linux environment
• Extensive software development experience with Java and Python
• Experience with stream/batch Big Data processing and analytic frameworks
• Experience with CI/CD principles, methodologies, and tools such as GitLab CI 
• Experience with IaC (Infrastructure as Code) principles and automation infrastructure provisioning and configuration using tools such as Ansible
• Experience with containerization technologies such as Docker
• Experience deploying containerized services under Kubernetes orchestration
• Demonstrated experience using system monitoring tools such as Prometheus/Grafana
• Experience with Git for source code management, branching strategies, and team collaboration

Position Desired Skills:

• Experience with the Atlassian Tool Suite (JIRA, Confluence)

• Type: Contract
• Job #3786

Software Engineer
Dulles, VA or State College, PA
Active TS/SCI
Compensation Range: $180,000-$200,000

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.

Job 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 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.
• Learn the workings of satellite ground systems.
• Work with new tools that will keep you state-of-the-art.

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 a minimum of 8 years of prior relevant experience.
• Eight (8) years of experience in object-oriented software design and development using Java in a Linux or UNIX environment.
• Experience using unit testing tools (e.g., JUnit).
• Experience with Python.
• Experience developing software in an Agile/DevOps environment.

Preferred Qualifications:
• Experience working in a DevOps environment using Docker, Kubernetes, Jenkins, Maven, Jira, Git, BitBucket and Confluence.
• Experience working with SonarQube
• Experience working with SQL
• Experience working in an Agile Development environment
• Security+ certification
• Experience with satellite communication systems and protocols is highly preferred.
• Familiarity with secure coding practices, especially in a defense or aerospace setting.
• Master’s degree in Science, Technology, Engineering or Mathematics (STEM).
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.
 

• Type: Contract
• Job #3782

Principal Integrated Product Team Lead
Indianapolis, IN
Active Secret
Compensation Range: $140,000 – $160,000

Job Responsibilities:

• Effectively work with, and communicate with, multiple levels of management, customers, and individual contributors on teams.
• Provide leadership and guidance to a cross-functional team, planning and coordinating engineering work
• Responsible for the technical fidelity and quality of the systems engineering work products and associated analyses that document the technical baseline.
• Assist in the development of solutions that meet customer requirements within cost, schedule, and quality constraints.
• Manage customer/stakeholder requirements and the decomposition of those requirements into product system requirements
• Plan system testing and the development and automation of test cases, scripts and execution

Basic Qualifications:
• Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) or equivalent experience and a minimum of 8 years’ related experience in systems or project engineering or program management
 • Experience in project management or leading teams in product development across the program lifecycle
 • Experience as a Control Account Manager (CAM) and with implementing Earned Value Management (EVM)
 • Technical leadership and implementation experience with the avionics life cycle (requirements design, development, hardware and software integration, and/or requirements verification).
 • Experience with Agile and Dev[Sec]Ops principles and tools.
 • Demonstrated ability to effectively work with and communicate with multiple levels of management and individual contributors on teams.
 • The ability to obtain and maintain a U.S. government issued Secret security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Preferred Qualifications:
• Experience with Embedded SW (RTOS oriented SW development)
• Experience with Aviation COMM Suite, including UHF, VHF and SATCOM
 • Experience with DOORS, DOORS NextGen, model-based development in Cameo and/or SCADE, and developing cloud-based requirements  
 • Strong analytical and problem-solving abilities.
 • Experience with management of Government sub-contracts
 • Experience planning programs from the ground up
 • Experience in creation of Basis of Estimates (BOEs)
 • Project Management Professional (PMP) Certification
 • Familiarity with the V-22 aircraft and platform support processes
 • Experience with development lifecycle design reviews (Internal gates, SETRs, SOIs, etc.)
 • Master’s degree in an Engineering specialty
 • Experience in avionics development, integration and modernization programs

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 *

• Location: Tysons Corner, Virginia
• Type: Contract
• Job #3773

Program Security Officer – PSO
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

McLean, VA

Provide comprehensive security assistance and over site to all facets of the program, including operational security/program protection, personnel physical/technical, industrial, and information systems security:

Supporting the Most Exciting and Meaningful Missions in the World

• Location: Chantilly, Virginia
• Type: Contract
• Job #3772

Position Chief Data Engineer
Work Location McLean, VA
Security Clearance TS/SCI with Polygraph

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
We are seeking a skilled Data Engineer to support one of our Intelligence customers. The ideal candidate will have a strong background in data engineering and integration, with a focus on normalizing data from diverse sources for advanced analytical methodologies. The Data Engineer will enhance the program's ability to integrate data from varied data sets and capitalize on emerging analytic capabilities developed across the Intelligence Community (IC).

Key Responsibilities:

• Integrate data from a wide range of data sets with varying formatting and tagging standards.
• Normalize and standardize data for incorporation into AI/ML enabled analytical methodologies.
• Collaborate with cross-functional teams and stakeholders to understand data requirements and ensure seamless integration.
• Develop and maintain data pipelines, ETL processes, and data integration workflows.
• Ensure data quality, consistency, and accuracy throughout the integration process.
• Stay current with emerging data engineering technologies and best practices.
• Provide guidance and mentorship to non-technical team members on data engineering methodologies and best practices.
• Create and maintain documentation for data integration processes and workflows.

Qualifications

• Active TS/SCI with CI Polygraph is required.
• Bachelor’s degree in Computer Science, Data Science, Engineering, or a related field. Advanced degree preferred.
• Minimum of 8 years of experience in data engineering or a related field.
• Proven experience in integrating data from diverse sources with varying formats and tagging standards.
• Strong understanding of data normalization, standardization, and ETL processes.
• Experience with data processing platforms such as Hadoop, Spark, and cloud services (AWS, Azure, GCP).
• Proficiency in programming languages such as Python, SQL, and tools like Apache NiFi, Talend, or similar ETL tools.
• Ability to work independently and as part of a team in a fast-paced, dynamic environment.
• Excellent problem-solving skills and the ability to think critically and strategically.
• Strong communication and interpersonal skills to effectively collaborate with stakeholders and present findings.
• Experience working within the Intelligence Community (IC) or other government agencies.
• Active TS/SCI clearance with CI Polygraph is required.

Preferred Qualifications:

• Familiarity with AI/ML enabled analytical methodologies and emerging analytic capabilities.
• Knowledge of national security threats and data exploitation strategies.

• Location: Annapolis Junction
• Type: Contract
• Job #3767

Title: HPC Test Engineer
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 *

Qualifications:
Eight (8) years’ experience as a TE in programs and contracts of similar scope, type and complexity is required. Bachelor’s degree in Math, Science, Engineering, Statistics, Engineering Management, or related discipline form an accredited college or university is required.
Four (4) years of additional TE experience may be substituted for a bachelor’s degree.

Position Description:
The Test Engineer shall be responsible for testing and validating HPC systems in accordance with test plans to ensure that system requirements are met.

Required Skills:

• Experience using Linux CLI and Linux tools
• Proficient using Bash/Python scripting for task automation
• Experience developing and executing test plans for HPC systems
• Experience integrating and testing REST APIs related to HPC systems
• Experience creating complex database queries to analyze test data across various database platforms 
• Demonstrated experience in defect tracking and resolution processes
• Experience with CI/CD principles, methodologies, and tools including GitLab CI

Desired Skills:

• Experience with the Atlassian Tool Suite (JIRA, Confluence)
• Familiar with Splunk for searching, monitoring, and analyzing machine generated data
• Familiar with SAFe Agile principles, methodologies, and best practices
• Experience with IaC principles and automation tools including Ansible
• Experience with Git Source Control System

• Location: Herndon, Virginia
• Type: Contract
• Job #3766

Title:  Cloud Techical 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. 

Cloud Technical Advisor
Level: Senior
Position Overview: 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 Statements of Work (SOWs) for cloud task orders.

Key Responsibilities:

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

Qualifications:

• Active TS/SCI with Polygraph clearance
• Bachelor’s Degree in STEM or related field
• Knowledge of cloud services.
• Excellent verbal and written communication skills.
• Experience researching cloud issues and briefings findings.
• 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 Azure, GCP, Azure, IBM, and/or Oracle
• Experience as a Cloud Agnostic Architect

• Location: Chantilly, Virginia
• Type: Contract
• Job #3749

Technical Training Instructor:
*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 *

Technical Training Instructor
An experienced targeter/targeting instructor to assist with a technical training program for the Customer’s targeting occupation by providing SME support to curriculum development and delivery of course material.  The instructor should have experience as a Technical Targeting Analyst (TTA) or other multi-source targeting experience.  The candidate must have expertise in and the ability to advise others on the use of common TTA tools and methodologies.  The ideal candidate should be familiar with basic instructional and course design principles to help build course curriculum.  The training may include blended and distance learning solutions, along with asynchronous and synchronous approaches to training.  The candidate will also help carry out training evaluations and support creation of a variety of training products such as guides, handbooks, and job aids. 
 
 Required Skills: 
 

• Active TS/SCI clearance with polygraph. 
• Bachelor's degree (4 years of relevant experience may substitute in lieu of degree) and 10+ years of related work experience. 
• Demonstrated experience as a Technical Targeting Analyst, or other multi-source targeting experience. 
• Knowledgeable in the use of common TTA tools and the ability to teach others to use them. 
• Demonstrated ability to instruct others in the application of TTA tools and methodologies against real-world scenarios. 
• Successful experience facilitating training working groups and/or discussions. 
• Exceptional aptitude and ability in coordination, scheduling, and performing outreach.
• Strong ability to establish and maintain meaningful directorate, Customer, and community networks; including ability to identify opportunities to integrate targeting tradecraft from those networks into the technical targeting training program.
• Willingness to travel CONUS as part of routine work approximately five times per year.
• Knowledge of how technical targeting drives technical operations (and vice versa).

The position is located in Chantilly, VA.

• Type: Contract
• Job #3744

Systems Engineer
Dulles, VA or State College, PA
Active TS/SCI
Compensation Range: $150,000 – $175,000

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.

Job Responsibilities:
• The senior systems engineer will execute multiple aspects of the systems engineering discipline, to include support of software development and test, requirements traceability into software functions, system performance analysis, and system integration and test activities to ensure system requirements achieve validation
• The system engineer will interact with the agile development teams regarding technical considerations, risks, and issue closure associated with the system capabilities and features
• The candidate must also possess the ability to multi-task, adapt to rapidly changing circumstances, effectively network, and communicate to the appropriate levels of the organization and support schedules and delivery milestones
Basic Qualifications:
• Typically requires a bachelor’s degree in science, Technology, Engineering, or Mathematics (STEM) and 5 years of prior relevant experience
• Experience defining system requirements for Agile software development and test teams, ensuring verification through acceptance criteria
• Engineering experience within the full systems and/or software engineering lifecycles
• Experience in system requirement creation and decomposition of capabilities into features with acceptance criteria using agile development tools like JIRA, CONFLUENCE, and JAMA
• An active TS/SCI security clearance is required prior to start date.
Preferred Qualifications:
• Familiarity utilizing Cloud environments, tools and utilizing associated processes and procedures
• Systems engineering experience in DoD architecture and service-oriented system architectures development program and platforms
• Experience using Model Based Systems Engineering (MBSE),
• Experience in performing Project Management
• Current Certification in Security +
• Experience with Containerized Application, Orchestration and Virtual Environments,
• Experience working in a DevSecOps environment, utilizing associated practices and procedures
• Experience working with RedHat Operating Systems
• Experience with Virus scanning application and execution
• Experience working with NIST 800-53, Privacy Framework and Cybersecurity Framework requirements
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: Annapolis Junction, Maryland
• Type: Contract
• Job #3743

Title: Software Engineer 3
Location: Annapolis Junction, MD
Compensation Range: $215 -$235K
*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 *

Description:
The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
Requirements:

• Twelve (12) years’ experience as a SWE in programs and contracts of similar scope, type, and complexity is required.
• Bachelor’s degree in computer science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree.

Core Tasks:

• Experience programming in Java.
• Proficient in using the Spring Boot framework.
• Experience working with MongoDB is required.
• Familiarity with Kafka for event streaming or messaging.
• Some familiarity with the AWS suite, including ECR, is expected.
• Experience working with RKE (Rancher Kubernetes Engine).

• Location: Chantilly
• Type: Contract
• Job #3739

Technical Instructional Systems Designer:
*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 *

Seeking an experienced Technical Instructional Systems Designer (TISD) to support an innovative training program for the Customer’s main technical training office. The candidate will provide TISD support to technical training classes to develop occupational skillsets and help generate dynamic content and design class activities in conjunction with other instructional designers and instructors. The candidate will support multiple training efforts, and work will revolve around content design and development of courses for technical occupational cadres, including scenario-based learning. The candidate will also be responsible for creating lesson plans and learning requirements, along with maintaining the currency of course materials and conducting course reviews to gather feedback and implement adjustments to training material. S/he will utilize project management skills to ensure effective course development and delivery. The position is located in Chantilly, VA.

Qualifications

• Active TS/SCI clearance with polygraph.
• Bachelor's degree (four years of relevant experience may substitute in lieu of a degree) and (15) years or more of related experience. Masters and (13) years or more experience; PhD or JD and (10) years or more experience.
• An ISD certification with 5 years course development experience in the past 7 years after the certificate award.
• 3 years of experience required of adult learning in any of the following areas: instructional design, instructional technology, experiential learning, or closely related field.
• 3 years of experience of creating instructional content for adult learners supporting a broad range of training modalities (synchronous, asynchronous, instructor led, web-based training, virtual learning, and/or blended courses).
• 1 year experience with the IC working in a technical mission area.
• Demonstrated experience designing technical course content for the IC.
• Knowledge of multimedia production tools and methodology, such as Learning Management Systems, collaboration tools, MS One Note, WordPress, Adobe Captivate, Multimedia tools including the Adobe Creative Suite, and a strong, technical aptitude to quickly learn new software and hardware.

Desired Qualifications:

• Certificate in Instructional Design from an accredited institution or a degree in Education.
• Advanced degree in Science, Engineering, or Education.
• Experience incorporating technology such as gaming, Augmented Reality/Virtual Reality, AI/ML modalities in course content.

• Location: Chantilly, Virginia
• Type: Contract
• Job #3738

Position Data Strategy Integration Expert
Work Location McLean, VA
Security Clearance TS/SCI with CI Polygraph

We are seeking an experienced Data Strategy Integration Expert to support the Office of the Director of National Intelligence (ODNI). The ideal candidate will have at least 8 years of relevant experience and will be responsible for integrating data strategy across data science, development, and subject matter expert teams. The role requires documentation and implementation of data strategies, ensuring data quality standards, and program data alignment with relevant IC policies and DNI instructions, especially ICD 504 and instruction 95.01. The candidate will monitor progress against established data goals and provide data governance information to senior leadership in various formats.

Key Responsibilities:

• Integrate data strategy across data science, development, and subject matter expert teams.
• Document and implement data strategy, ensuring adherence to data quality standards and alignment with all relevant IC policies and DNI instructions, particularly ICD 504 and instruction 95.01.
• Monitor and track progress against established data goals.
• Prepare and present data governance information in a variety of formats to support senior leadership briefings and reports.
• Ensure proper policies are in place to enforce best data security practices and data access control standards across the program.
• Collaborate with cross-functional teams to ensure data strategies are effectively communicated and implemented.
• Work comfortably in a mission-oriented, fast-paced environment with senior-level customers.
• Provide guidance and mentorship on data governance and data strategy best practices.

Qualifications:

• Bachelor’s degree in Data Science, Computer Science, Information Technology, or a related field. Advanced degree preferred.
• Minimum of 8 years of experience in data strategy integration, data governance, or a related field.
• Proven experience in documenting and implementing data strategies and data quality standards.
• Strong understanding of IC policies and DNI instructions, especially ICD 504 and instruction 95.01.
• Experience preparing and presenting data governance information to senior leadership.
• Knowledge of data security practices and data access control standards.
• Ability to work independently and collaboratively in a mission-oriented, fast-paced environment.
• Excellent problem-solving skills and the ability to think critically and strategically.
• Strong communication and interpersonal skills to effectively collaborate with stakeholders and present findings.
• Active TS/SCI clearance with CI Polygraph is required.
• Experience working within the Intelligence Community (IC) or other government agencies.
• Familiarity with data governance frameworks and best practices.
• Demonstrated ability to work with senior-level customers and stakeholders.
• Experience with data governance tools and technologies.

• Location: Chantilly, Virginia
• Type: Contract
• Job #3737

Technical Training Instructor:
*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 *

Seeking an experienced Technical Training Instructor on a training program for technical research, development, and engineering by providing instructional expertise to newly developed courses. Initially the instructor will support the occupational onboarding course that will be approximately two weeks long and will run approximately four times per year, and longer term will include other courses as the occupational curriculum expands. The ideal candidate should be familiar with basic instructional and course design principles to help build course curriculum. The training may include blended and distance learning solutions, along with asynchronous and synchronous approaches to training. The candidate will also help carry out training evaluations, and support creation of a variety of training products such as guides, handbooks, and job aids. The training will emphasize student-centered, experiential learning that requires strong facilitation skills. The candidate will assist with asserting student performance, monitor progress and provide feedback. The candidate will assist the training team with course reviews and modifications between course running's. 

The position is located in Chantilly, VA.

Qualifications

• Active TS/SCI clearance with polygraph.
• Bachelor's degree (four years of relevant experience may substitute in lieu of a degree) and (15) years or more of related experience. Masters and (13) years or more experience; PhD or JD and (10) years or more experience.
• More than five years (5) years of experience providing training within the IC.
• 5 years of experience within the IC in any of the following: Targeting, Technical Operations, or Technical Research, Development or Engineering.
• 1 year of experience teaching or delivering to adult learners within the IC.
• Demonstrated ability to tailor communication and proven ability to facilitate small and large groups of people with diverse backgrounds.
• Demonstrated ability to adopt new technologies for knowledge management and/or tailoring of technology to support learning needs.
• Demonstrated ability as a self-starter, to team effectively, regularly work outside your comfort zone, and to adapt to emerging technologies and evolving requirements.
• Familiarity with all or most of the following tools: Learning Management Systems, Collaboration Tools, MS OneNote, WordPress, Adobe Captivate, Multimedia tools including the Adobe Creative suite.
• Demonstrated experience working in a collaborative team environment and partnering across the IC. 

Desired Qualifications: 

• Certificate in Training, Facilitation, Teaching, and/or learning from a professional organization strongly preferred (e.g. Foundations in Teaching and Learning, offered by Udemy).
• Extensive experience within the IC supporting multiple missions.
• Experience supporting more than one area of technical expertise (Targeting, Technical Operations, or Technical Research, Development, or Engineering).
• Advanced degree in Science, Engineering, or Education.
• Adult learning experience teaching technical courses using a broad range of modalities (synchronous, asynchronous, instructor led, web-based training, virtual training and/or blended courses).

• Location: Bethesda, Maryland
• Type: Contract
• Job #3736

Title: Counter Intelligence Campaign Manager
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.

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 *

Cornerstone Defense is seeking a proactive Counterintelligence Campaign Manager to provide program level support to engage customers on program capabilities. This position will create and run campaigns based on information gathering and stakeholder management, to gain a complete understanding of what mission users are seeking, and also of the campaign workflow.

A comprehensive background in Counterintelligence is required to perform this position as well as an individual who understands how to build relationships with end users while creating value. This position will also work with the PMO to coordinate activities and requirements with mission managers and technical teams.

Qualifications

• Active TS/SCI with poly is required. Minimum Education: B.S. or relevant experience in Program Management.

• 8+ years of related experience in Counterintelligence analysis and or Counterintelligence support is required.

• Experience providing direct support to Government IT Program Managers who manage multiple intelligence community programs.

• Experience creating and running campaigns using stakeholder management and relationship building techniques.

• Possess a strong understanding of what mission users are seeking and an understanding of the campaign workflow.

• Must understand how to build relationships with users and know how to create value.

• Must be forward leaning.

• Experience with OneNote and utilizing the application to provide daily/weekly program activity reports, status, program metrics for senior leadership and stakeholders.

• A deep understanding an experience with working within the intelligence community (IC).

• Possess the ability to prioritize to achieve the most efficient and effective execution of the project objectives.

• Location: Tysons, Virginia
• Type: Contract
• Job #3716

Title: Software Developer 
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.

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 *

We are seeking a talented and experienced Full Stack Developer to join our dynamic team. The successful candidate will work on-site in an Agile environment and will be responsible for the design, development, testing, and integration of custom software solutions. The role requires experience with modern JavaScript frameworks, microservice-based architectures, AWS, and databases.

Responsibilities:

• Design, develop, and test custom software solutions across multiple system components and applications
• Create implementation or integration approach for applications and components
• Translate system requirements into design specifications
• Provide primary support for testing and installation of application releases into production
• Peer review code
• Participate in regression and 508 compliance testing
• Collaborate with cross-functional teams
• Leverage AWS for cloud-based development
• Manage data using SQL and NoSQL databases

Required Skills:

• Proficiency in modern JavaScript frameworks
• Experience with microservice architecture
• Experience developing in cloud platforms
• Experience with SQL and NoSQL databases
• Experience with RESTful APIs

Preferred Skills/Experience:

• Proficient in React, TypeScript, and React Query
• Proficient in Python
• Experience with AWS including Lambda Functions and DynamoDB
• Experience with 508 compliance
• Familiarity with DevOps practices
• Familiarity with Business Process Models such as Camunda, Flowable, N8n-io
• Agile experience

​​​​​​​

• Location: Tysons, Virginia
• Type: Contract
• Job #3715

Title: Software & Data/AI 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.

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 *

​​​​​​​

• Location: Chantilly, Virginia
• Type: Contract
• Job #3714

Title: Data 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.

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 *

Develop new tools, code, and services to execute data engineering activities involving data of varying types and in varying conditions. Activities include the following tasks: Movement of structure and unstructured data using approved methods. Execute data ingestion activities for storing data in a local or enterprise level location. Develop code to format data that supports exploration. Analyze source data formats and work with Data Scientists and partners to determine the formats and transforms that best meet mission objectives. Develop code and tools to provide one-time and on-going data extraction from various repositories, formatting and transformations into enterprise or standalone data models. Develop new ETL and perform O&M and enhancements on existing ETL code using best practices/standards. Develop and deliver documentation for each project including ETL mappings, code use guide, code location and access instructions.

• Design and optimize Data Pipelines using tools such as Spark, Apache Iceberg, Trino, OpenSearch, EMR cloud services, NiFi and Kubernetes containers
• Ensure the pedigree and provenance of the data is maintained such that the access to data is protected
• Clean and preprocess data to enable access for advanced analytics
• Collaborate with enterprise working groups to advance the state of data standards
• Collaborate with the engineering team, data stewards, and mission partners to aid in getting actionable value out of the data holdings
• Collaborate with software engineers to update, configure, and maintain data services based on the requirements
• Ensure data quality by working with the testing and data quality team to enhance standardization of data conditioning pipelines  
• Experience adapting to various types and formats of data, and working with development teams to integrate new data processing platforms   

Required Skills:

• 10+ years' experience with:
• Data lifecycle engineering
• Development and maintenance of extract, transform and load (ETL) tools and services
• Cloud and on-prem data storage and processing solutions
• Python, SQL, Spark and other data engineering programming
• COTS and open source data engineering tools such as ElasticSearch and NiFi
• Processing data within the Agile Lifecycle  

​​​​​​​

• Location: Mclean, Virginia
• Type: Contract
• Job #3712

Title: Cyber Threat Hunt Analyst
Location: McLean, 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.

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 *

Seeking a Cyber Threat Hunt Analyst to join our Cyber Security Operations Center (CSOC) in McLean, VA. The ideal candidate will have a deep understanding of cyber threat hunting, advanced persistent threats (APTs), and the latest tactics, techniques, and procedures (TTPs) used by adversaries. Join us and play a vital role in our nation’s security by helping to enhance our security posture. Responsibilities include but are not limited to: Conduct threat hunting activities to detect advanced threats that evade traditional security solutions and continuously monitor and analyze threat intelligence sources to stay informed about emerging threats. Search for signs of malicious activity in our network and systems. Develop and implement new and innovative threat detection techniques and strategies. Analyze large datasets to identify patterns and anomalies indicative of malicious activities. Collaborate with other CSOC team members and stakeholders to respond to and investigate security incidents. Provide detailed reports and briefings on threat hunting activities and findings to senior management. Develop and maintain threat hunting playbooks, processes, and procedures. Perform in-depth forensic analysis to understand the nature and impact of threats. Participate in the development and refinement of security monitoring and incident response tools and processes.
Minimum Qualifications:

• High School Diploma and 2+ years of experience in cyber threat hunting, incident response, or a related cybersecurity field
• Experience working with network protocols, operating systems, and security architectures
• Experience using threat hunting and forensic tools.

Preferred Qualifications:

• Bachelor's degree in Comp Sci, Cyber or related field
• Relevant certifications such as GCIH, GCFA, GNFA, or equivalent
• Experience with scripting and programming languages such as Python, PowerShell or similar
• Knowledge of machine learning and data analytics techniques as they apply to threat hunting
• Familiarity with cloud security and threat hunting in cloud environments. Understanding of regulatory and compliance requirements related to cybersecurity (e.g., GDPR, HIPAA).
• Clearance Requirement: Must have a current/active TS/SCI w/Polygraph

• Location: Annapolis Junction, Maryland
• Type: Contract
• Job #3710

Title: Senior System Administrator
Location: Annapolis Junction, MD
Compensation Range: $190 -$210K
*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 *

Description:
As a collaborative member of a small and mostly autonomous team, this position directly supports secure enclave development networks.
Core Tasks:

• Conduct functional and connectivity testing to ensure continuing operability.
• Develop and document systems administration standard operating procedures.
• Maintain baseline system security according to organizational policies.
• Manage accounts, network rights, and access to systems and equipment.
• Plan, execute, and verify data redundancy and system recovery procedures.
• Install, update, and troubleshoot systems and servers.
• Comply with organization systems administration standard operating procedures.
• Implement and enforce local network usage policies and procedures.
• Manage system and server resources including performance, capacity, availability, serviceability, and recoverability.
• Monitor and maintain system and server configurations.
• Perform repairs on faulty system and server hardware.
• Troubleshoot hardware/software interface and interoperability problems.

 
Required:

• Bachelor’s degree in technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator
• Experience with Windows Sever Administration, Active Directory, and Group Policy
• Familiarity with Linux Server Administration
• Familiarity with Broadcom VMware/ESXi, Broadcom VMWare Virtual Networking, and Broadcom VMware vCenter
• Networking Switching and Router Management
• Storage Management (NetApp)
• Hardware and Operating System troubleshooting
• System hardening
• Security Compliance Scanning (Nessus, ACAS)
• Understanding of project design within the scope of security (RMF) requirements
• Active DoD IAT Level II certification (Security+)
• Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.

 
Preferred:

• Experience leading the implementation and support of Broadcom VMware virtualized systems and infrastructure
• PowerCLI
• Broadcom VMware Aria Suite, formerly called vRealize Suite
• Broadcom VMware Cloud Foundation (VCF)
• Broadcom VMware Certified Professional or other relevant VMware certification.

Title: Senior System Administrator
Location: Annapolis Junction, MD
Compensation Range: $190 -$210K
*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 *

Description:
As a collaborative member of a small and mostly autonomous team, this position directly supports secure enclave development networks.
Core Tasks:

• Conduct functional and connectivity testing to ensure continuing operability.
• Develop and document systems administration standard operating procedures.
• Maintain baseline system security according to organizational policies.
• Manage accounts, network rights, and access to systems and equipment.
• Plan, execute, and verify data redundancy and system recovery procedures.
• Install, update, and troubleshoot systems and servers.
• Comply with organization systems administration standard operating procedures.
• Implement and enforce local network usage policies and procedures.
• Manage system and server resources including performance, capacity, availability, serviceability, and recoverability.
• Monitor and maintain system and server configurations.
• Perform repairs on faulty system and server hardware.
• Troubleshoot hardware/software interface and interoperability problems.

 
Required:

• Bachelor’s degree in technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator
• Experience with Windows Sever Administration, Active Directory, and Group Policy
• Familiarity with Linux Server Administration
• Familiarity with Broadcom VMware/ESXi, Broadcom VMWare Virtual Networking, and Broadcom VMware vCenter
• Networking Switching and Router Management
• Storage Management (NetApp)
• Hardware and Operating System troubleshooting
• System hardening
• Security Compliance Scanning (Nessus, ACAS)
• Understanding of project design within the scope of security (RMF) requirements
• Active DoD IAT Level II certification (Security+)
• Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.

 
Preferred:

• Experience leading the implementation and support of Broadcom VMware virtualized systems and infrastructure
• PowerCLI
• Broadcom VMware Aria Suite, formerly called vRealize Suite
• Broadcom VMware Cloud Foundation (VCF)
• Broadcom VMware Certified Professional or other relevant VMware certification.

• Location: Herndon, Virginia
• Type: Contract
• Job #3707

Title: Python Developer 
Location: Herndon, VA
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 *

  Create robust and resilient data pipelines to connect data sources to analytics tools
·         Work with various analysts to craft requirements
·         Enumerate the necessary datasets and design the data model and schemas to support the requirements
·         Provide platform support, including problem solving and debugging, for production issues
·         Interact and collaborate across the services and communities involved in multi-domain Cyber Defense to achieve breakthrough improvements in capabilities
 
 
 
Basic skills
–          Experience coding in Python.
–          Solid understanding and experience with Database Management, SQL, PostgreSQL.
–          Experience with ETL tools/data transformation/data pipeline.
–          Experience taking data collection requirements and translating those requirements into implementable solutions.
–          Critical thinking and problem-solving skills, ability to design solutions and troubleshoot issues effectively.
–          Analyze data sources for accuracy, data prioritization, and apply appropriate logic to developed solutions.
–          Communication skills to collaborate with colleagues via multiple communications channels.
–          Linux experience
 
Desired Skills
–          Experience with Javascript/NodeJS

​​​​​​​​​​​​​​

• Type: Contract
• Job #3699

Senior Linux Systems Administrator
Aurora, CO
Active TS/SCI with Poly
Compensation Range: $125,000 – $145,000

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.

Job Responsibilities:

• Supporting a program in a classified environment as a Linux System Administrator.
• Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities.
• You will work closely with program developers and system engineers to research issues, determine root causes and implement solutions to system problems.
• Must be able to support occasional after hour maintenance and on-call support and must be able to lift up to 35 pounds in support of hardware installations.
• Occasional travel may be required for installation support. This position is an onsite role.

Basic Qualifications:

•  Typically requires a Bachelor’s degree and a minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience.
• Active and transferable U.S. government issued TS/SCI with poly security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Must have an active DoD 8570 IAT Level 2 certification (or higher) on start date. IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND.
• Experience administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening

Preferred Qualifications:

• Using and developing with automation tools/frameworks such as Terraform, Ansible, and Chef as well as scripting – particularly in Bash and Python
• Experience administering Windows based systems
• Experience with pipeline tools such as Jenkins and Artifactory
• Demonstrated ability to work independently and troubleshoot problems with efficiency
• Deployment and administration of systems in Amazon WebServices (AWS)

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.