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# Senior System Integration Test Engineer

- **Company:** Navstar Inc.
- **Location:** Littleton, CO, United States
- **Experience:** Expert
- **Salary:** $140,000.0 - $170,000.0
- **Contract:** Permanent contract
- **Skills:** Subsystems, System Integration Testing, System Testing, Information Technology
- **Published:** August 6, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9078424/senior-system-integration-test-engineer

## About the Role

* To be eligible for this position you must hold an active TS/SCI clearance with Polygraph.
 * Bachelors degree from an accredited college in a related discipline, or equivalent experience/combined education, with 5 years of professional experience; or 3 years of professional experience with a related Masters degree.

## Description

Would you like to perform rewarding work while contributing to the success of an established, growing company? Navstar is an award-winning organization that has a proven track record of successfully providing IT services and solutions both as a prime and sub-contractor on mission-focused IT programs. Our employees are integral players in support of mission-critical programs focused on our National Security., Plans, implements, tests, documents, and maintains solutions for the integration and testing of in-house developed and COTS/GOTS components, elements, subsystems and/or systems. Synthesizes customer contractual needs and requirements into system test solutions that acknowledge technical, schedule and cost constraints. Establishes functional and technical specifications and standards, solves hardware/software interface problems, defines input/output parameters, and ensures integration of the entire system or subsystem. Reviews, evaluates and derives requirements for testability, develops and directs preparation and execution of comprehensive test plans, procedures and schedules for complete systems and/or subsystems. Coordinates subsystem and/or system testing activities with programs and other organizations. Performs analysis of test results and prepares comprehensive subsystem and/or system level evaluation reports which verify and validate system performance. Writes discrepancy reports
and performs integration regression testing to verify/validate incorporated fixes to software, components, subsystems and systems.