user avatar

Sytems Integration & Test Engineer

Cornerstone Defense

Today
Top Secret/SCI
Unspecified
Unspecified
IT - QA and Test
Colorado Springs, CO (On-Site/Office)

Job Title: Systems Integration & Test Engineer
Job Location: Colorado Springs, CO
Clearance: TS/SCI
Compensation Range: $125K - $160K

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:
We are seeking a System Integration & Test Engineer to provide engineering support for a Satellite Combined Orbital Sustainment program, focused on ensuring mission readiness for protected MILSATCOM capabilities. This role supports both space and ground system segments, and is critical to the reliability, security, and performance of Department of Defense communications infrastructure. This position involves the integration, testing, and sustainment of complex IT systems in both physical and virtualized environments. You will work on-site at Peterson Space Force Base and be part of a high-impact, multi-disciplinary engineering team operating in a secure, mission-focused environment.

Job Responsibilities:
  • Develop and implement integrated IT solutions that span the full system development lifecycle: design, development, integration, testing, deployment, and support.
  • Perform system upgrades, COTS software installations, and patch deployments across classified environments.
  • Coordinate the integration of new software and hardware systems into operational space and ground segment architectures.
  • Support Windows-based system environments, including maintenance, configuration, and troubleshooting.
  • Design and implement system automation and administration scripts to improve deployment repeatability and reduce manual effort.
  • Write, read, and debug PowerShell scripts; work with other automation tools as needed.
  • Collaborate with cybersecurity teams to ensure systems meet all compliance and accreditation requirements, including STIG implementation and RMF processes.
  • Perform rigorous system testing, diagnostics, and troubleshooting in classified environments.
  • Support Agile-based workflows, participating in planning, development, testing, and sprint review sessions.
  • Provide technical documentation, system diagrams, and engineering artifacts in accordance with program and government standards.

Required Skills:
  • U.S. Citizenship and active TS/SCI clearance required
  • 5+ years of experience in systems engineering, integration, or IT support in a secure or classified government environment.
  • Proficiency with Microsoft Windows Server and Desktop OS support.
  • Experience with COTS software deployment and system-level integration in DoD systems.
  • Strong scripting capabilities (e.g., PowerShell, Python, or Bash) for task automation.
  • Familiarity with virtualized infrastructure (e.g., VMware, Hyper-V).
  • Demonstrated knowledge of cybersecurity compliance, including DISA STIGs, RMF, and system accreditation workflows.
  • Strong analytical and troubleshooting abilities in high-consequence environments.

Preferred Skills:
  • Experience supporting MILSATCOM or other DoD satellite/space-based systems.
  • Understanding of protected satellite communications systems or secure ground segment technologies.
  • Familiarity with DevSecOps practices, automation frameworks, and infrastructure as code.
  • Exposure to Agile tools (e.g., Jira, Confluence, Git) and continuous integration environments.

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.
group id: 90751604
Find Cornerstone Defense on Social Media
Network Employers
user avatar
About Us

Cornerstone Defense Jobs


Job Category
IT - QA and Test
Clearance Level
Top Secret/SCI