Required Skills:

• 2+ years of hands-on experience configuring and managing Cisco and/or Juniper network devices.
• Working knowledge of routing protocols (e.g., OSPF, BGP) and switching technologies (VLANs, STP, etc.).
• Familiarity with STIG and DoD security requirements, including system hardening and patch management.
• Current or ability to obtain DoD 8140/8570 baseline certification(s) (e.g., CompTIA Security+, CCNA Security, or equivalent).

Desired Skills:

• Experience with TACLANE configuration, VPN tunnels, and secure WAN deployments.
• Knowledge of virtual networking solutions (OpenStack Neutron, VMware NSX).
• Scripting or automation experience (Python, Shell, Ansible, etc.).
• Understanding of firewall policy design and management.
• Familiar with Visio / Draw.io, Netbox, and similar documentation and diagraming tools.
• Experience with hands-on hardware installation and reconfiguration, racking equipment, terminating cables, and working with single and multimode fiber.
• Education
• Associate’s or Bachelor’s Degree in a related technical field (or equivalent work experience).

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3511

Windows System Administrator
Colorado Springs, CO
Active Top Secret/SCI
Compensation Range: $120,000 – $160,000

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:

• Windows Server Administration
• Manage and maintain Windows Server instances in a highly available environment.
• Oversee critical services such as DNS, DHCP, NTP, and WSUS.
• Monitor and troubleshoot IIS-based web applications as needed.
• Maintain Microsoft SQL Server instances, ensuring availability and resiliency.
• Support Microsoft Exchange Server, including backup/restore operations and performance tuning.

• Active Directory & GPO Management
• Design, maintain, and optimize the Windows Active Directory environment, including user/group management and OU structure.
• Develop and implement Group Policy Objects (GPOs) aligned with best practices and STIG/DoD security requirements.
• Ensure role-based access control (RBAC) following DoD 8140 requirements and maintain secure delegated administration.
• Perform regular Windows performance optimization and tuning tasks.
• Security & Compliance (STIG/DoD Requirements)
• Conduct regular STIG compliance checks, vulnerability assessments, and system audits.
• Apply security hardening guidelines to servers, applications, and network configurations.
• Collaborate with Security teams to respond to security incidents and maintain compliance.
• Automation & Scripting
• Develop, maintain, and implement PowerShell or other relevant scripts to automate repetitive tasks (e.g., user provisioning, patch deployment, system reporting).
• Identify opportunities for automation within daily administrative tasks to increase efficiency and reduce human error.
• Patch Management & System Updates
• Coordinate and execute WSUS / patch management to ensure timely and compliant system updates.
• Schedule and manage monthly/quarterly patch cycles, including out-of-band updates as required for security.
• Test and validate patches prior to deployment in production environments.
• Performance Monitoring & Troubleshooting
• Use industry-standard monitoring tools to proactively identify and resolve performance bottlenecks for Windows and Linux systems
• Conduct root-cause analysis for complex technical issues and system outages.
• Documentation & Knowledge Sharing
• Maintain comprehensive system documentation, including architecture diagrams, SOPs, and knowledge base articles.
• Provide mentorship, guidance, and training to junior-level administrators and service desk personnel.
  Required Skills:
  • Minimum of 5+ years supporting Windows-based server environments (Tier 3 level).
  • Strong background with Windows Server 2012/2016/2019/2022 (deployment, management, optimization).
  • Hands-on experience with Active Directory, DNS, DHCP, NTP, and Group Policy configuration.
  • Demonstrated understanding of STIG/DoD security compliance requirements and related best practices.
  • PowerShell (or equivalent) scripting for process automation and configuration management.

  Desired Skills:

  • Experience with virtualization platforms (e.g., VMware, Hyper-V).
  • Proficiency with Microsoft Exchange and Microsoft SQL Server administration.
  • Familiarity with IIS configuration and support.
  • Background in network protocols (TCP/IP, subnetting, VLANs, etc.).
  • Experience with Ansible Automation.
  • Education:
  • Bachelor’s Degree in Computer Science, Information Systems, or related field (or equivalent work experience).
  • Microsoft certifications (e.g., MCSE, MCSA), CompTIA Security+ (or equivalent DoD 8570 baseline), or other relevant certifications.
• Other Requirements:
• Must be a U.S. Citizen and able to obtain and maintain a TS//SCI security clearance.
• Excellent troubleshooting, communication, and documentation skills.
• Ability to work both independently and collaboratively within a team-oriented environment.

• Location: Tysons, Virginia
• Type: Contract
• Job #3468

Software Engineer
Tysons, VA
Active Secret
Compensation Range: $125,000 – $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.

Job Responsibilities:

• Develop and deploy full-stack, AI-based enterprise applications on the C3 AI Platform.
• Test, troubleshoot, and enhance customer software applications with and on behalf of customers.
• Identify application performance bottlenecks and implement optimizations.
• Conduct design and development reviews of customer software applications.
• Write application specifications and documentation

Preferred Skills:

• Bachelors (or equivalent) in Computer Science (or related) fields.
• Software development experience with JavaScript and Python.
• Experience with Git or other version control software.
• Experience working with JavaScript frameworks such as React, Redux, Vue, Backbone, or Angular.
• Experience deploying software to least one of the leading cloud computing platforms (i.e., GCP, AWS, Azure).
• Understanding of SQL and NoSQL databases.
• Proficiency in data structure and algorithm design and implementation.
• Proficiency in time-series data analysis, cleansing, and normalization.
• Working knowledge of Agile software development methodology.

• Location: Tysons, Virginia
• Type: Contract
• Job #3467

Data Scientist
Tysons, VA
Active Secret
Compensation Range: $125,000 – $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.

Required Skills:

• Collaborate with data and subject matter experts from C3 AI and its customer teams to seek, understand, validate, interpret, and correctly use data and business insights.
• Train, validate and deploy machine learning pipelines.
• Test, troubleshoot, and enhance customer software applications with and on behalf of customers.
• Identify application performance bottlenecks and implement optimizations.
• Write application specifications, tutorials and documentation.
   

Preferred Skills:

• MS or PhD in Computer Science, Electrical Engineering, Statistics, or equivalent fields.
• Applied Machine Learning experience (regression and classification, supervised, and unsupervised learning).
• Strong mathematical background (linear algebra, calculus, probability and statistics).
• Proficiency in time-series data analysis, cleansing, and normalization.
• Experience with scalable Machine Learning (MapReduce, streaming).
• Software development experience with JavaScript and Python.
• Experience with Git or other version control software.
• Ability to drive a project and work both independently and in a team.
• Smart, motivated, can do attitude, and seeks to make a difference.
• Excellent verbal and written communication.

• Location: Aurora, Colorado
• Type: Contract
• Job #3466

Linux Systems Administrator
Aurora, CO
Active TS/SCI w/ CI poly
Compensation Range: $115,000 – $135,000

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:

• Provide IT systems administration of RedHat Enterprise Linux environments.
• Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. 
• Working as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
• Understanding of data RAID, data backup uses and technologies. Install and configure software applications requested by end users.  
• Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
• Must be able to develop solutions and documentation to a variety of technical problems.
• Systems are operational 24×7 and occasionally require work effort beyond standard work hours.
• Travel required to other US Domestic locations as business needs dictate up to 5% travel.
• Full time 100% Onsite position.

Required Skills:

• Typically requires bachelor’s degree and minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience.
• Must have a current and transferable U.S. government issued TS/SCI CI Poly security clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Must have Linux experience.
• 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
• Must have experience administering Red Hat Linux based systems.
• Must have scripting experience.

Preferred Skills:

• Experience with patching, creating/maintaining RPM packages.
  Experience with performance tuning, networking, user management (LDAP), and security hardening.

• Administer, maintain and troubleshoot Atlassian products (Jira, Confluence, BitBucket).
• Experience with Jenkins automation.
• Configuration of Scanning tools Nessus/McAfee.
• Proficiency with Enterprise level administration of common services such as DNS and LDAP.
• Strong analytic and research skills – must be detail oriented.
• Demonstrated ability to work independently and troubleshoot problems with efficiency.
• Requires the ability to effectively interact with external personnel on significant technical matters often requiring coordination between organizations and vendors.

• Location: Aurora, Colorado
• Type: Contract
• Job #3464

Title: Space Systems Engineering Operations Technician
Location: Aurora, CO
*Clearance: *Active TS/SCI needed to apply *

Compensation Range: $80,000 – $95,000

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:

• Collaborate with program leadership to facilitate meetings and ensure effective
  communication
• Assist engineering leads in the onboarding and integration of new staff members
• Support program activities and contribute to team success
• Support Satellite daily operations
• Attend meetings and other functions as requested
• Compile and/or assist in preparation of various documents, to include but not limited to presentations, reports, correspondence, and other materials

Basic Qualifications

• Typically requires an AA/AS degree (or other 2 year post high school or Military and/or Intelligence Agency training) and a minimum of 6 years of relative experience organizational groups
• Active and transferable Top Secret / 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
• Experience working on Defense or Intelligence Agency Satellite technologies and/or ground control systems
• Experience using Microsoft Office Suite Tools, to include but not limited to: Outlook, OneNote, PowerPoint, Word, Teams, and/or Excel

Preferred Qualifications:

• Experience working with senior leadership on large teams
• Strong attention to detail and a sense of responsibility
  Excellent oral and written communication skills, preferably present information to technical
  and nontechnical stakeholders
• Prior experience training team members

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3434

Global Systems and Interface Architect
Colorado Springs, CO
Active Top Secret/SCI
Compensation Range: $165,000 – $205,000

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.

Program Overview:
The Command and Control, Battle Management, and Communications (C2BMC) program is the integrating element of the Missile Defense System. It is a vital operational system that enables the U.S. president, secretary of defense and combatant commanders at strategic, regional and operational levels to systematically plan ballistic missile defense operations, to collectively see the battle develop, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. C2BMC is the force multiplier that globally and regionally networks, integrates and synchronizes autonomous sensor and weapon systems and operations to optimize performance. C2BMC is an integral part of all system ground and flight tests which verify and exercise all current and future missile defense system capabilities.

Job Responsibilities:

• Support the development and review of interface documents, system requirements, Verification Cross Reference Matrix (VCRM) development, architectural documentation, engineering estimates, and author and perform formal and informal engineering reviews. 
• Position will also provide mentoring to junior systems engineering team members to enhance skills in the department. 
• Works with the enterprise test architect to enable system sell off capabilities as required.  
• Candidate needs to have the ability to be flexible to support various tasking on short notice. 
• Work will be performed under the direction of the Global Architect Lead, and will require interfacing with team members, C2BMC management, and government customers to ensure high quality products are generated on time and within the resources available.
• Responsibilities include adhering to DOORS processes and procedures, reviewing the content and details of technical products, and acting as a technical interface to MDA working level counterparts on an as-required basis. 
• Candidate will be actively involved in the efforts associated with Agile development including iteration planning, mentoring team members on architectural patterns being used, and agile team leadership.

Required Skills:

• Demonstrated experience working large multi-site software development efforts including external interface development
• Demonstrated experience executing under Federal Acquisition Regulations including Operational Concept development, Requirements, System Decomposition, Standards Compliance, Design, Implementation and Selloff
• Demonstrated experience conducting or leading Analysis of Alternatives, Trade Studies and/or Design Evaluations
• Familiarity with cyber, platform and network architecture technologies, dependencies and design drivers
• Candidate must possess an understanding of systems engineering process and principles. 
• A successful applicant should have a proven track record of successfully applying system engineering principles to develop product solutions. 
• Candidates should have experience developing system engineering artifacts (e.g. specifications, Interface Control Documents, Use Cases, System Architecture Descriptions, Trade Studies, etc.).  
• Candidates should also have experience in with developing large, complex software systems.  
• Candidates should have experience working in an integrated team environment with other systems, software and specialty engineers to develop solutions. 
• Excellent communications skills are required (written and oral) as is the ability to communicate effectively and clearly present technical approaches and findings. 
• Able to write and implement engineering plans within a project. 
• Desired skills include experience working within an Agile development environment, domain experience with both Space and Missile Defense, experience with Systems Analysis, Model Based System Engineering, Architecture development, Virtualization, Containerization, and Cloud Computing principles.
• Travel supporting program reviews and customer meetings to CONUS sites including Huntsville, AL and Shriever SFB expected.

Desired Skills:

• Experience designing large command and control and/or weapon systems
• Experience processing radar sensor data
• Experience with near real time processing, persistence and distributed user community

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: Colorado Springs, Colorado
• Type: Contract
• Job #3433

Global Systems Safety Engineer
Colorado Springs, CO 
Active Top Secret
Compensation Range: $125,000 – $155,000

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.

Program Overview:
The Command and Control, Battle Management, and Communications (C2BMC) program is the integrating element of the Missile Defense System. It is a vital operational system that enables the U.S. president, secretary of defense and combatant commanders at strategic, regional and operational levels to systematically plan ballistic missile defense operations, to collectively see the battle develop, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. C2BMC is the force multiplier that globally and regionally networks, integrates and synchronizes autonomous sensor and weapon systems and operations to optimize performance. C2BMC is an integral part of all system ground and flight tests which verify and exercise all current and future missile defense system capabilities.

Job Responsibilities:

• System Safety engineering and development of program safety plans to provide the engineering team with application of safety policies and guidance
• Individual will provide support to MDA and other program personnel as required as well as other system engineering tasks as required
• Successful candidate will interface with team members and National Team management to ensure high quality products are generated on time and within the resources available
• Integration of the product lines
• Generation of responsible sections of the capability specifications
• Training less experienced personnel in SE and Safety techniques
• Reviewing the content and details of technical products, and acting as a technical interface to MDA working level counterparts on an as-required basis

Required Skills:

• Should possess System Engineering background with specialization in System and Software Safety
• Experience analyzing design to ensure safety requirements are met
• Ability to apply engineering principles to analyze and recommend design features that meet safety criteria in system design to control or eliminate hazards
• Experience developing safety documents to support customer and test requirements (SAR, SRA, SSPP) 
• Experience with hazard identification
• Experience participating in System Safety Working Groups
• Must possess knowledge of MIL-STD-882E
• System engineering and software systems engineering experience required in developing new and integrating existing systems
• Ability to analyze high level needs and through a structured and logical approach refine the need into an integrated set of hardware and software
• Excellent communications skills desired (written and verbal)
• Able to communicate effectively and clearly present technical approaches and findings

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: Colorado Springs, Colorado
• Type: Contract
• Job #3432

Infrastructure Automation/Maintenance System Administrator
Colorado Springs, CO
Active Top Secret/SCI
Compensation Range: $125,000 – $160,000

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.

Program Overview:
The Command and Control, Battle Management, and Communications (C2BMC) program is the integrating element of the Missile Defense System. It is a vital operational system that enables the U.S. president, secretary of defense and combatant commanders at strategic, regional and operational levels to systematically plan ballistic missile defense operations, to collectively see the battle develop, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. C2BMC is the force multiplier that globally and regionally networks, integrates and synchronizes autonomous sensor and weapon systems and operations to optimize performance. C2BMC is an integral part of all system ground and flight tests which verify and exercise all current and future missile defense system capabilities.

Job Responsibilities:

• The candidate will work on the Global Infrastructure team and will assist in maintaining and sustaining a hyperconverged infrastructure. 
• They will work primarily with multiple operating systems and specific developmental toolsets.

Required Skills:

• 3+ years of building project plans and organizing groups to manage personnel resources and maintaining CI/CD pipelines to support the software development lifecycle
• Linux experience using RHEL administration including networking and protocols
• Experience with projects that plan and schedule multiple groups in building out construction of labs, equipment to include: rack, space and power.
• Experience with adding engineering rigor to the process for the Network Engineers, System Admins and cyber in support of projects and milestones.
• Experience in working with CM to assure all processes are being met and captured
• Understand of System Administration roles in a customer prem cloud environment
• Understanding of Network Engineering roles in supporting Cloud base solution/implementations.
• Experience with the tools like terraform, Ansible, shell scripting
• Experience automating the buildout of VMs using Nutanix, VMWare
• 1+ container orchestration using Kubernetes (or similar tool) to support databases and SW developments tools like GitLab, Nexus as well as mission software
• Current Linux certification to fulfill DoD computing environment requirement
• Previous experience working in Agile Software Development organizations using the SAFe framework

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: Reston, Virginia
• Type: Contract
• Job #3429

DevSecOps Engineer III
Reston, VA
Active 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.

Job Responsibilities:

• As a Sr. DevSecOps 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.
• Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
• Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
• Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
• Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
• Monitor and analyze system and application logs to detect and respond to security incidents.
• Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
• Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
• Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
• Contribute to the development and maintenance of security policies, procedures, and documentation.

Required Skills:

• At least 10 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
• Expert experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
• Expert experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
• Expert understanding of AWS and familiarity with other cloud platforms (e.g., Azure, GCP) and securing cloud-based applications and services.
• Strong experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
• Strong experience in scripting languages (e.g., Python, Bash) for automation and tool integration.
• Hands-on experience with security tools for static code analysis, dynamic application security testing (DAST), and vulnerability scanning, using tools such as Fortify, Acunetix, and Prisma Cloud
• Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).

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: Reston, Virginia
• Type: Contract
• Job #3428

DevSecOps Engineer I
Reston, VA
Active 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.

Job Responsibilities:

• As a DevSecOps Engineer I, 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.
• Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
• Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
• Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
• Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
• Monitor and analyze system and application logs to detect and respond to security incidents.
• Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
• Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
• Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
• Contribute to the development and maintenance of security policies, procedures, and documentation.

Required Skills:

• At least 6 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
• Strong experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
• Strong Experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
• Experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
• Experience with cloud platforms (e.g., AWS, Azure, GCP) and securing cloud-based applications and services.
• Experience with scripting languages (e.g., Python, Bash) for automation and tool integration.
• Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).

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: College Park, Maryland
• Type: Contract
• Job #3427

DevSecOps Engineer III
College Park, MD
Active TS/SCI with Polygraph
Compensation Range: $145,000 – $185,000

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:

• As a Sr. DevSecOps 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.
• Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
• Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
• Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
• Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
• Monitor and analyze system and application logs to detect and respond to security incidents.
• Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
• Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
• Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
• Contribute to the development and maintenance of security policies, procedures, and documentation.

Required Skills:

• At least 10 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
• Expert experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
• Expert experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
• Expert understanding of AWS and familiarity with other cloud platforms (e.g., Azure, GCP) and securing cloud-based applications and services.
• Strong experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
• Strong experience in scripting languages (e.g., Python, Bash) for automation and tool integration.
• Hands-on experience with security tools for static code analysis, dynamic application security testing (DAST), and vulnerability scanning, using tools such as Fortify, Acunetix, and Prisma Cloud
• Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).

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: College Park, Maryland
• Type: Contract
• Job #3426

DevSecOps Engineer I
College Park, MD
Active TS/SCI with Polygraph
Compensation Range: $120,000 – $160,000

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:

• As a DevSecOps Engineer I, 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.
• Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
• Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
• Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
• Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
• Monitor and analyze system and application logs to detect and respond to security incidents.
• Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
• Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
• Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
• Contribute to the development and maintenance of security policies, procedures, and documentation.

Required Skills:

• At least 6 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
• Strong experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
• Strong Experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
• Experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
• Experience with cloud platforms (e.g., AWS, Azure, GCP) and securing cloud-based applications and services.
• Experience with scripting languages (e.g., Python, Bash) for automation and tool integration.
• Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).

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: Colorado Springs, Colorado
• Type: Contract
• Job #3425

DevSecOps Engineer I
Colorado Springs, CO
Active TS/SCI with Polygraph
Compensation Range: $120,000 – $160,000

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:

• As a DevSecOps Engineer I, 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.
• Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
• Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
• Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
• Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
• Monitor and analyze system and application logs to detect and respond to security incidents.
• Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
• Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
• Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
• Contribute to the development and maintenance of security policies, procedures, and documentation.

Required Skills:

• At least 6 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
• Strong experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
• Strong Experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
• Experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
• Experience with cloud platforms (e.g., AWS, Azure, GCP) and securing cloud-based applications and services.
• Experience with scripting languages (e.g., Python, Bash) for automation and tool integration.
• Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).

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: Colorado Springs, Colorado
• Type: Contract
• Job #3424

DevSecOps Engineer III
Colorado Springs, CO
Active TS/SCI with Polygraph
Compensation Range: $145,000 – $185,000

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:

• As a Sr. DevSecOps 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.
• Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
• Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
• Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
• Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
• Monitor and analyze system and application logs to detect and respond to security incidents.
• Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
• Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
• Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
• Contribute to the development and maintenance of security policies, procedures, and documentation.

Required Skills:

• At least 10 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
• Expert experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
• Expert experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
• Expert understanding of AWS and familiarity with other cloud platforms (e.g., Azure, GCP) and securing cloud-based applications and services.
• Strong experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
• Strong experience in scripting languages (e.g., Python, Bash) for automation and tool integration.
• Hands-on experience with security tools for static code analysis, dynamic application security testing (DAST), and vulnerability scanning, using tools such as Fortify, Acunetix, and Prisma Cloud
• Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).

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: Richardson, Texas
• Type: Contract
• Job #3422

Systems Engineer
Richardson, TX
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.

Job Responsibilities:

• Support technical direction and design to software agile development teams, and other Engineering personnel.
• Perform technical analyses and define how the system works creating use cases, system capability and feature designs, defining system interfaces and acceptance criteria.
• In this role, the candidate will provide engineering support for the implementation of a portion of the program’s systems engineering.
• To succeed in this role, you must have systems engineering development lifecycle experience using an Agile methodology.
• Collaborate with the systems engineering teams to design and develop software
• Assist in providing technical information and clarification during the entire software development lifecycle, from conceptualization and design to development, testing, deployment, and operations.
• Perform solution decomposition from customer epics, to capabilities, to features, to stories according to SAFe Agile practices
• Apply systems engineering expertise to feature designs to reduce overall risk to the software development effort
• Engage with customer user representatives or subject matter experts to gather user needs and incorporate into the feature designs for the agile development teams
• Engage with SMEs from other disciplines to fully understand the solution and document the designs.
   

Required Skills:

• Demonstrated system engineering and technical experience with software systems development
• Experience in agile software development activities, including system level design specification and integration test and verification activities (full SE life cycle)
• Experience interacting across multiple engineering disciplines, including both programmatic and technical
• Experience working in an Agile development team environment with multi-discipline engineers and stake holders, developing system solutions to meet customer requirements, requirements decomposition, and experience with CONOPS development
• Experience working on teams addressing solution definition, decomposition, design and acceptance criteria
• Experience performing design activities with cross-disciplined engineering teams
• Experience working in the software development Lifecyle

Desired Skills:

• SIGINT, GEOINT, or Multi-INT Intelligence Community (IC) background with end user mission experience
• Experience in a technical role of a large multi-disciplined engineering team
• Experience with cloud-based S/W architectures and systems is a plus
• Experience developing MBSE and DoDAF artifacts
• Background and experience successfully working with all levels of engineering development in large government software development programs as well as an individual contributor as part of an agile development team
• Engineering experience working in the full software development lifecycle using Agile methodology that ensures high quality software is built and released to end-users quickly and within cost and schedule parameters
• Experience using Agile tool sets (JIRA, Confluence, Bitbucket, etc.), and evaluation of requirements decomposition, system architecture and system design
• Experience using MBSE processes and tools to capture systems design and elaboration in Cameo or similar tool
• Experience in Service-Oriented Architecture (SOA) and/or micro-service based systems

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: Richardson
• Type: Contract
• Job #3421

Software Engineer
Richardson, TX
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.

Job Responsibilities:

• In this role, you will use your solid foundation in Java and experience working in a Linux environment to comprehend customer needs and translate those needs into viable design solutions.
• Use your understanding of software principles, theories, and concepts related to software engineering (including software development lifecycle and software development process), design patterns, and Object-Oriented architecture.
• Design, build, and maintain efficient, reusable, and reliable code.
• Demonstrate your critical thinking skills with the ability to communicate concepts and ideas well.

Required Skills:

• Experience in Java.
• Experience with AWS Cloud Technologies.
• Experience with Agile and/or DevSecOps toolsets (e.g. Jira, Confluence, BitBucket, Jenkins, Cucumber, etc.).
• Experience with building automated tests.

Desired Skills:

• Experience with containerization technologies such as Docker and Kubernetes.
• Experience with Agile development methodologies.
• Experience with DevSecOps and Continuous Integration/Continuous Delivery.
• Experience with building automated tests.

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: Aurora, Colorado
• Type: Contract
• Job #3420

Title: Software Engineer
Location: Aurora, CO
Clearance: Active TS/SCI
Compensation Range: $120,000 – $180,000

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:

• As a Software Engineer, you have the opportunity to directly impact the world around you and contribute to classified programs and technologies you are passionate about. Our small agile teams adapt to evolving customer and warfighter needs. 
• 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.

Required Skills:

• Typically requires a Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and five (5) years of relevant software engineering experience.
• Experience developing object-oriented software using Java.
• Software development lifecycle experience using the Agile methods.
   

Desired Skills:

• Experience with some area of satellite ground system software such as mission management, planning and scheduling, command and telemetry, satellite operations, or flight dynamics models. 
• Interest in software leadership roles.
• Experience developing software using C++ and Python.
• Experience with microservices in an AWS environment using Docker and Kubernetes.
• Experience with Test Automation, DevSecOps, and CI/CD processes. 
• Experience working with a large-scale legacy software system.
• Experience with tools such as Confluence, Eclipse, Jira, Jenkins, Junit, Kafka, and Spring Boot

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: Aurora, Colorado
• Type: Contract
• Job #3419

Platform Scrum Master
Aurora, CO
Active TS/SCI with Polygraph
Compensation Range: $130,000 – $155,000

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 role's core responsibility will be as a scrum master for an agile platform product team in charge of the team’s agile cadence to include running scrum meetings, sprint reviews, PI planning, and agile metrics.
• You will help with the design and implementation of the platform.
• You will be on a team that is responsible for development and operational environments consisting of a mix of servers, workstations, storage, networks, and custom hardware. These environments provide the enterprise hybrid-cloud backbone for product development and testing for a large program producing a critical, strategic national asset.
• Support transitioning a system that is tightly coupled to the underlying infrastructure to a modern platform infrastructure.
• Eliminate impediments that may arise to keep the team focused on their objectives.
• Assist the product owner in backlog grooming and agile scrum event preparations.
• Collaborate with software engineers, data scientists, and DevOps teams to design and implement development and mission solutions. 
• Assist with architecture, design, development, integration, and support of build, integration & test, and deployment pipelines, optimizing for performance and scalability across on-premises VMware computing environments.
• Leverage company and industry best practices and capabilities to improve scalability, consistency, infrastructure efficiency, reduce deployment time, and automate configuration management.
• Ensure security and compliance are integrated into the platform.
• Provide operational support for the platform.

Required Skills:

• 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 with Agile Development Methodologies (E.g. scrum, SAFe).
• Great communication and interpersonal skills to successfully work with various teams.
• Experience designing, implementing, and integrating platform infrastructure services.
• Experience with containerization using technologies such as Kubernetes or Docker.
• Experience with troubleshooting applications & infrastructure services on Linux based Operating Systems.
• Experience with VMware.
• Experience with programming/automation/scripting languages (E.g. Python, Java, Ruby, Bash, C++, C#, Go).
• Current CompTIA Security + or ability to obtain within 90 days.

Desired Skills:

• Experience with Agile Development Methodologies (E.g. scrum, SAFe)
• Experience deploying, configuring, and supporting CICD Pipelines tools (E.g. Jira, Confluence, Bit Bucket, Jenkins, Artifactory, Gitlab).
• Experience with automation frameworks such as Chef, Puppet, and Ansible.
• Knowledge of secure coding practices such as OWASP, secrets management, and vulnerability remediation.
• Experience with scanning tools (E.g. Nessus, Fortify, Anchore).
• Multi-disciplined infrastructure experience with compute, networks, storage, and virtualization.
• Experience developing, testing & delivering applications w/in a DevSecOps framework.
• Background in COTS/FOSS product installation, configuration, and integration.

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: Richardson, Texas
• Type: Contract
• Job #3418

Platform Engineer
Richardson, TX
Active TS/SCI with CI 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.

Job Responsibilities:

• The role's core responsibility revolves around empowering development teams with a robust platform that streamlines processes, enhances collaboration, and accelerates release cycles, thereby driving efficiency and innovation.
• You will be on a team that is responsible for development and operational environments consisting of a mix of servers, workstations, storage, networks, and custom hardware. These environments provide the enterprise hybrid-cloud backbone for product development and testing for a large program producing a critical, strategic national asset. This will include a mixture of hands-on keyboard engineering work as well as documentation and baseline control.
• 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 on-premises cloud 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 DevOps teams to design and implement development and mission solutions
• Integrate security and compliance into the platform with services such as encryption and access management
• Provide operational support for the platform
• Administrative fluency with the following (or vendor equivalent): Red Hat Linux (v7+, 8+ preferred), Rancher
• Experience troubleshooting applications & infrastructure services on Linux based OS.

Required Skills:

• Experience with automation frameworks such as Chef, Puppet, and Ansible.
• Background in COTS/FOSS product installation, configuration, and integration
• Experience designing, implementing, and integrating platform infrastructure services using technologies such as Docker, Podman, Kubernetes, Rancher

Desired Skills:

• Experience deploying, configuring, and supporting CICD Pipelines tools (E.g. Jira, Confluence, Bit Bucket, Jenkins, Artifactory, Gitlab)
• Exposure to Cloud based web services such as AWS
• Knowledge of secure coding practices such as OWASP, secrets management, and vulnerability remediation
• Experience with Networking Concepts and architectures
• Experience with scanning tools (E.g. Nessus, Fortify, Anchore)
• Multi-disciplined infrastructure experience with compute, networks, storage, and virtualization
• Experience developing, testing & delivering applications w/in a DevSecOps framework
• Experience with programming/scripting languages (E.g. Python, Java, Bash, Perl, Ruby, C++)
• Current DoD 8570 certification (CompTIA Security +, CCNA) or ability to obtain within 90 days

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: Springfield, Virginia
• Type: Contract
• Job #3417

Integration and Test Engineer
Springfield, VA
Active TS/SCI with CI 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.

Job Responsibilities:

• We are seeking a Senior Systems Integration & Test Engineer to join our Engineering team in Springfield, Virginia for the role of Operations & Maintenance (O&M) team member.
• The O&M team activities include supporting the daily execution of activities on a complex satellite ground system, supporting internal and external stakeholder maintenance activities, supporting bi-weekly operational software deliveries and performing on-site E2 triage and support during business hours with after-hours on-call expectations. 
• Provide regular updates to the on-site SETA team via a daily status page and in-person engagements
• Support weekly SETA and team lead technical tag-ups
• Support Change Management Board meetings as needed
• Provide technical SME support as an on-site E2 Systems Integration & Test Engineer 
• Work in a classified lab on site
• Work in an Agile program environment
   

Required Skills:

• Experience working on-site in a badgeless environment with multiple stakeholders
• Experience troubleshooting and resolving software system execution problems
• Experience with systems engineering principles and activities
   

Desired Skills:

• 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)
• Familiarity with Atlassian tools (Jira, Confluence, Bitbucket)
• Test Automation experience (Cucumber, Gherkin, home-grown)
• Experience with Java, C++, or Python
• Experience with Linux operating system

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: Richardson, Texas
• Type: Contract
• Job #3416

Systems Engineer
Richardson, TX
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.

Job Responsibilities:

• Collaborate with the multi discipline engineering teams to design and develop software
• Assist in providing technical information and clarification during the entire software development Lifecyle, from conceptualization and design to development, testing, deployment, and operations
• Perform solution decomposition from customer epics, to capabilities, to features, to stories according to SAFe Agile practices
• Apply systems engineering expertise to feature designs to reduce overall risk to the software development effort
• Engage with SMEs from other disciplines to fully understand the solution and document the designs.
   

Required Skills:

• Demonstrated system engineering and technical experience with software systems development
• Experience in agile software development activities, including system level design specification and integration test and verification activities (full SE life cycle)
• Domain experience in IC GEOINT, including familiarity with common GEOINT still imagery data formats
• Experience in development of ICDs, APIs, and system specifications as a primary author
• Experience using the Atlassian tool suite, including Jira and Confluence
• Experience in cloud or cloud-hybrid deployment environments
• Ability to interact effectively with customer and consumer communities for technical exchange meetings and design briefings
• Experience working in an Agile development team environment with multi-discipline engineers and stake holders, developing system solutions to meet customer requirements, requirements decomposition, and experience with CONOPS development
• Experience working on teams addressing solution definition, decomposition, design and acceptance criteria
• Experience in development of containerized software system architectures
• Ability to function independently in the development and revisions of existing ICDs, APIs, and system specifications in response to contract mods
• Program experience with requirements development and/or requirements maintenance

Desired Skills:

• Experience with streaming data formats including Full Motion Video and Moving Target Indicator data
• Strong communications skills to support technical exchange meetings and design briefings
• Engineering experience working in the full software development lifecycle using Agile methodology that ensures high quality software is built and released to end-users quickly and within cost and schedule parameters
• Experience using MBSE processes and tools to capture systems design and elaboration in Cameo or similar tools
• Domain experience with active data types supported by NSGPDDs
• Thorough understanding of the 12 Factor App concepts for service development
• Strong experience with Confluence as a communications medium

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: Richardson, Texas
• Type: Contract
• Job #3415

Automation Test Engineer
Richardson, TX
Active TS/SCI with CI 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.

Job Responsibilities:

• In this role you will develop, implement, and maintain a test automation strategy. 
• Analyze the current regression tests that exist and develop a way to increase test automation in executing regression tests
• Take existing capability sell-off manual tests that have been executed previously and add relevant pieces to the regression tests that are not currently covered
• Perform routine Integration, Verification, & Test (IV&T) tasks to contribute to execution of PI objectives to test system capabilities
   

Required Skills:

• Experience with system engineering and technical experience with software systems
• Experience supporting agile development activities, including system level design specification and integration test and verification activities (full life-cycle)
• Experience interacting across multiple engineering disciplines, including both programmatic and technical
   

Desired Skills:

• Experience with SIGINT, GEOINT, or Multi-INT Intelligence Community (IC) with end user mission
• Experience in a technical role of a multi-disciplined engineering team
• Experience with cloud based S/W architectures and systems. Previous software development background a plus
• Experience in Service-Oriented Architecture (SOA) and/or micro-service based systems

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: Reston
• Type: Contract
• Job #3331

Information System Security Manager
Clearance: TS/SCI with Polygraph
Reston, VA

Supporting the Most Exciting and Meaningful Missions in the World

 Cyber and Information Security Specialist (INFOSEC) perform functions in support of the directorate’s Information System Security Manager (ISSM) and deliver outcomes as follows:
 

• Review and analyze systems architecture diagrams and networks.
• Support Assessment and Authorization (A&A) requirements and process and apply ICD 503, NISPOM, and other federal guidelines in support of systems used at contractor facilities.
• Assist program systems owners and/or service providers throughout the risk management framework (RMF), including the assessment and authorization (A&A) processes, as follows:
  • Provide advice to program system owners and/or service providers on the creation of required system documentation or body of evidence; review and provide recommendation for approval or disapproval, as appropriate.  
  • Assess security and privacy controls and data protection in sponsor information systems and environments of operation as part of the initial security assessment and during operational changes affecting information systems’ security posture.
  • Assist the security control accessors (SCA), as appropriate, in performing security systems assessments and reviewing risk elements in the executive Risk System (ERS) report.
  • Create plans of action & milestones (POA&Ms) and/or request risk acceptance through a security assessor(SA) , who will certify the ERS report to the appropriate authorizing official (AO) or designated AO.
• Regarding the RMF and A&A processes, produce an annual A&A report of trends, challenges, and risk with recommended mitigation and process improvements.
• Provide oversight and guidance to ensure compliance with program information security regulations and policies on processes and request, such as Data Transfer Request; Access Request; Service/Change Request; Purchase Request; Accountable Property Management; Waivers, including medical devises and introduction (use) of equipment /devises into SCIF; and Equipment Transport.  Produce a Weekly Activity Report.
• Facilitate development, maintenance and security review of AIS security plans for computers, networks, and information systems deployed and used at contractor facilities, ensuring that sponsor and program approving signatures are acquired and documented.
• Conduct technical exchange meetings to facilitate AIS security solutions for both industrial contractors and government systems; and produce comprehensive solutions to technically complex systems and challenges.
• Ensure documentation is complete and accurate in accordance with sponsor and program AIS policies and requirements.
• As necessary, support the investigation of virus/malware alerts/incidents to determine root cause, entry point of code, damage risk, and report this information.
• Write reports based on technical analysis of sponsor or industrial partners systems, and as applicable provide recommendations for mitigating issues in the future.
• Analysis systems , including forensically, for malware, misuse, and/or unauthorized activity.
• Ensure discovered cyber incidents and data spills are reported per program SOP; support investigations and remediation/clean up as necessary, and provide guidance in coordination with program security management and other groups as appropriate.
• Provide information security training and refine, edit, and maintain training material, as necessary to ensure it is up to date with current policies, regulations, and best practices.
• Participate in project review meetings and provide technical cyber security advise/expertise to program personnel.
• Advise on technical and performance characteristics of new technologies, as relates to sponsor policies and regulations.
• Review complex sponsor and industrial partners system designs for security risk and compliance with sponsor policy and regulations; propose resolution and preventive strategies.
• Communicate complex technical concepts, project information, and security policy clearly and concisely to both technical and non-technical audiences.
• Provide briefings and/or training on sponsor’s INFOSEC policies and regulations.
• Provide a quarterly Security Control Status Report (SCSR) that identifies security risk and trends through the ranking of the 77 Control Families.

• Type: Contract
• Job #3005

SAS Visualization Developer
Chantilly, VA
TS/SCI with CI Polygraph

As a SAS Visualization Developer, you will: 

• Evolve software architecture to meet changes in product requirements.
• Participate in all steps of the continuous development lifecycle – including design, development, and testing.
• Provide support of the product to internal customers.
• Collaborate with team members to implement innovative approaches to real world problems.

Required Qualifications

• You have a bachelor’s degree in Computer Science, Engineering, or a related quantitative field.
• 3+ years of experience working on large complex software products as a developer.
• Proficiency in both server (Java / Go) and client (React / TypeScript) technologies.
• Good experience in working with containerization technologies such as Docker and Kubernetes
• Demonstrated experience of Agile development practices and tools such as GITLAB.
• Demonstrated experience CI/CD and associated tools like Jenkins, Git, Gerrit, Linux commands, etc.
• Experience developing on the SAS Viya 4 platform
• Excellent interpersonal communication skills

Preferred Qualifications

• Ability to resolve user questions through a combination of independent study, investigative programming, and especially collaborative efforts with team members
• Platform administration experience with SAS 9 or Viya or similar architecture 
• SAS Certifications
• Experience with automation development in Python.
• Experience with API development.
• Experience working with cloud technologies (Docker, Kubernetes); Azure / AWS / GCP / OpenShift infrastructure experience
• Knowledge of file system security
• Knowledge of TCP/IP and networks
• Familiarity with advanced web technologies including web authentication, DAV, TLS/SSL, web services, and SOAP