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Legion Technical Solutions LLC VERIFIED EMPLOYER

Systems Integration & Test Engineer 4.

Quality Assurance & Testing Full-Time

Systems Integration & Test Engineer 4: our view in 3 lines...

  • The Role:This is a principal integration and test engineering role supporting a national security space program and advanced command and control ground systems.
  • The Person:The person will integrate and validate command and control ground systems, troubleshoot difficult system issues, and support testing for mission critical Space Intelligence, Surveillance, and Reconnaissance missions.
  • Requirements:The ideal candidate has experience in software integration and test, automated test development, regression testing, Linux RHEL, Python and or Perl, Agile and CI/CD development environments, and software and hardware debugging.

About the role

Benefits:
  • 401(k)
  • Dental insurance
  • Health insurance
  • Paid time off
  • Relocation bonus
  • Vision insurance
We're growing our Space & Defense Engineering Team.
Principal Systems Engineer – Integration & Test
Colorado Springs, CO (Onsite)
TS/SCI Required

Some engineering roles are about building software.
This one is about ensuring that mission-critical systems perform flawlessly when failure isn't an option.

Legion Technical Solutions (LTS) is seeking an experienced Principal Systems Engineer – Integration & Test to support a premier national security space program. You'll work alongside elite engineering teams integrating and validating advanced Command & Control (C2) ground systems that support critical Space Intelligence, Surveillance, and Reconnaissance (SISR) missions.

If you enjoy solving complex integration challenges, troubleshooting difficult system issues, and bringing together software, hardware, and automation in high-consequence environments, we'd like to talk.

We're looking for engineers with experience in:
Software Integration & Test
Agile / CI/CD Development Environments
Automated Test Development & Regression Testing
Linux (RHEL), Python, and/or Perl
Software & Hardware Debugging
Mission-Critical Command & Control Systems

Bonus experience includes:
• Satellite Ground Systems
• Space or ISR Programs
• DevSecOps / DevOps
• Jira, Confluence & Bitbucket
• Cucumber, Gherkin & Zephyr
• Java, C++, Cloud Technologies

At Legion Technical Solutions, we partner with some of the nation's most innovative aerospace and defense organizations. Our focus is connecting exceptional cleared engineering talent with programs that protect our nation's most critical missions.

If you're ready to work on technology that truly matters, we'd love to connect.

#SystemsEngineering #IntegrationAndTest #Space #Satellite #CommandAndControl #GroundSystems #Defense #NationalSecurity #TS_SCI #Linux #Python #Agile #CI_CD #DevSecOps #EngineeringJobs #ColoradoSprings #Hiring #LegionTechnicalSolutions
Published August 7, 2026
Location Aurora, IL
Job Type Full-Time