GNC Software Engineer at xona-spacexona-space · Burlingame, California

Workplace: Remote

Type: fulltime

Posted: 2026-11-10

Skills: Python, CI/CDXona is the navigational intelligence company bringing real-time, centimeter-level certainty to any device, anywhere on Earth. With Pulsar – the world’s most advanced PNT satellite infrastructure in Low Earth Orbit – Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection. We are seeking a GNC Software Engineer to join our Guidance, Navigation, and Control (GNC) team. In this role, you will develop, integrate and validate flight software that enables autonomous operation of spacecraft. You’ll work closely with GNC and Flight Software engineers to deploy estimators, controllers, and state machines in real-time flight environments, supporting missions from simulation through on-orbit or in-flight operation. WHAT YOU'LL DO · Develop and integrate GNC algorithms using model-based development processes · Implement state machines and FDIR (Fault Detection, Isolation, and Recovery) logic for robust autonomous operations · Develop and maintain GNC software interfaces within the flight software architecture · Design, implement, and maintain software- and hardware-in-the-loop (SIL/HIL) test campaigns to validate GNC performance and reliability · Develop unit tests and regression tests to ensure software reliability · Collaborate with simulation, hardware, and Flight Software teams to support end-to-end GNC system integration and validation REQUIRED QUALIFICATIONS · 2+ years of professional experience developing GNC software for spacecraft, UAVs, or other autonomous platforms · Hands-on experience implementing and testing estimators, controllers, and state machines · Experience with model-based software development and automatic code generation using MATLAB/Simulink · Proficiency in C++, Python, and MATLAB/Simulink · Experience developing unit tests, regression tests, and debugging software in simulation or embedded environments · Proficiency with Git version control and Linux-based…Sign in to see the original postingBrowse more developer jobs on RoleBurst