Senior Guidance, Navigation & Control (GNC) Engineer – Lead Long-Term Contract | Fully Remote (U.S.)  Company SET Development, LLC SET Development is a premier aerospace engineering and consulting firm providing deep technical expertise across spacecraft systems, software, avionics, mission operations, and advanced space technologies.

Our engineers support both commercial and government space programs, emphasizing technical excellence, collaboration, and long-term mission success.

Position Overview SET Development is seeking a Senior Guidance, Navigation, and Control (GNC) Engineer (Lead) to support spacecraft and satellite programs through full lifecycle GNC development.

This role is a long-term independent contractor position , fully remote within the United States, with limited travel (up to 15%) as program needs require.

The Senior GNC Engineer will serve as a technical lead , contributing to system architecture, analysis, s...