Senior Systems Engineer – Integration & Test
Location: Aurora, CO (Onsite)
Employer: Legion Technical Solutions (LTS)
Client: Confidential U.S. Defense & Aerospace Company
Security Clearance: Active TS/SCI Required
Employment Type: Full-Time
Help Build the Next Generation of National Security Systems
Legion Technical Solutions (LTS) is seeking a Senior Systems Engineer – Integration & Test to support one of the nation's premier aerospace and defense programs. This is an opportunity to work on cutting-edge Space Intelligence, Surveillance, and Reconnaissance (SISR) and Command & Control (C2) technologies that directly support critical national security missions.
As a member of a high-performing Systems Integration & Test team, you'll help integrate, verify, validate, and troubleshoot advanced software and hardware systems while working alongside some of the industry's top engineering professionals.
If you're passionate about solving complex technical challenges, thrive in Agile environments, and enjoy bringing sophisticated mission systems to life, we'd like to hear from you.
What You'll Do
- Integrate and test advanced command and control (C2) ground systems supporting space and ISR missions.
- Collaborate with cross-functional engineering teams to deliver high-performance software and hardware solutions.
- Develop, execute, and maintain integration and verification test plans and procedures.
- Create and maintain automated test scripts to improve testing efficiency and regression coverage.
- Troubleshoot complex software, hardware, interface, and system integration issues.
- Debug software and system-level functionality to ensure mission readiness.
- Participate as a member of an Agile Release Train (ART), supporting continuous integration and continuous delivery (CI/CD) initiatives.
- Work closely with engineers, architects, and government stakeholders to deliver reliable mission-critical capabilities.
Required Qualifications
- Bachelor's degree in Engineering, Computer Science, Mathematics, or another STEM discipline.
- Minimum 5 years of Systems Integration & Test or closely related engineering experience.
- Hands-on experience performing software integration and system testing.
- Experience working within Agile CI/CD development environments.
- Experience with:
- Test automation
- Test scripting
- Regression testing
- Strong troubleshooting and debugging skills involving software-based systems.
- Experience using Red Hat Enterprise Linux (RHEL).
- Experience programming or scripting with Python and/or Perl.
- Experience supporting command and control (C2), mission systems, or similarly complex software-intensive environments.
- Active transferable TS/SCI security clearance required prior to start.
Preferred Qualifications
Experience with any of the following is highly desirable:
- Satellite Ground Systems
- Satellite Command & Control (C2)
- Space or ISR programs
- DevOps / DevSecOps environments
- Atlassian Suite (Jira, Confluence, Bitbucket)
- Cucumber
- Gherkin
- Zephyr
- Java
- C++
- Cloud-based architectures and environments
Why Join LTS?
At Legion Technical Solutions, we connect exceptional engineering talent with some of the most advanced defense and aerospace programs in the country. Our engineers work on technologies that protect national security while receiving personalized support, competitive compensation, and opportunities for long-term career growth.
If you're looking for an opportunity to contribute to highly visible, mission-critical programs while working with industry-leading engineering teams, we encourage you to apply today.
Legion Technical Solutions is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other status protected by applicable law.
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