Senior Satellite Guidance, Navigation, and Control (GNC) Engineer is open at Portal Space Systems in Bothell, WA. The posting gives a salary of $150K - $205K. Posted on Jul 30, 2026, and still on Portal Space Systems’s careers page when we last checked, on Nov 14, 2026.
About the role
Design, develop, and validate GNC algorithms with a focus on precise pointing and stability control using linear control methods. Perform high-fidelity simulations, modeling, and analysis of guidance, navigation, and control systems. Lead GNC avionics integration efforts, including sensor calibration, hardware-in-the-loop testing, and software validation. Support mission planning, trajectory design, and optimization…
The opening lines of the posting. The rest is on Portal Space Systems’s careers page.
Hiring at Portal Space Systems
Portal Space Systems has 21 open roles right now. Most are in Engineering, Operations and Design. The median advertised salary across its roles with a published range is $175K. See all its roles
