System Integration and Test Engineer

Lockheed Martin

Full-time other-general
Apply Now
Location
Littleton, CO, United States
Posted
July 15, 2026

Job Description

**Description:** **WHO WE ARE**
Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products. This position is for a Systems Integration/Test Engineer on the Radiant Mercury product within the TSS program. Radiant Mercury is the US Navy's premierβ€―CDS product and LM has been the prime contractor for over 20 years.
**WHAT WE’RE DOING**
At LM we engineer innovative solutions to deliver resilient systems, products, and services across evolving cyber threats. Strong, resiliency-focused engineering is essential to protecting customer platform/weapon systems from increasingly sophisticated threats. The Radiant Mercury program delivers secure cross-domain solutions to our customers, enabling the controlled transfer of information between different security domains. This role is critical in safeguarding the confidentiality, integrity, and availab...