Systems Integration Test Engineer 3

Legion Technical Solutions LLC; Aurora (CO); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

401(k)

Dental insurance

Health insurance

Paid time off

Relocation bonus

Vision insurance

Job summary

Legion Technical Solutions in Aurora, CO is seeking a Senior Systems Engineer – Integration & Test to support national security programs. You will integrate and test advanced C2 ground systems, collaborate with cross-functional teams, and develop verification plans for mission-critical solutions.

The role requires a Bachelor's in a STEM field, at least 5 years in system integration & test, and an active TS/SCI clearance. Onsite work with relocation support and a comprehensive benefits package.

Qualifications

• Bachelor's degree in Engineering, Computer Science, Mathematics, or another STEM discipline.
• Minimum 5 years of Systems Integration & Test or related engineering experience.
• Hands-on experience in software integration and system testing.
• Experience with Agile CI/CD development environments.
• Experience with test automation, scripting, and regression testing.
• Strong troubleshooting and debugging skills for software-based systems.
• Experience using Red Hat Enterprise Linux (RHEL).
• Experience programming or scripting with Python and/or Perl.
• Active TS/SCI clearance required prior to start.

Responsibilities

• 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.

Skills

Python

Perl

RHEL

CI/CD

Test Automation

Debugging

Agile

Education

B.S. in STEM

Tools

Jira

Confluence

Bitbucket

Job description

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

Benefits:

• 401(k)
• Dental insurance
• Health insurance
• Paid time off
• Relocation bonus
• Vision insurance

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.

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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