GNC Engineer

True Anomaly is a company focused on building innovative technology for space security and sustainability. The GNC Engineer will be responsible for developing and integrating Guidance, Navigation, and Control systems for spacecraft, ensuring their performance and reliability during operations. Responsibilities Own all aspects of Guidance, Navigation, and Control (GNC) system development, including architecture definition, algorithm design, verification, hardware integration, and on-orbit operations Design, test, and validate GNC flight software and embedded algorithms for spacecraft operating in LEO, GEO, and other orbit regimes Develop and maintain spacecraft Attitude and Orbit Determination & Estimation (AOD/AOE) algorithms, including sensor fusion and filtering frameworks (e.g., EKF, UKF, batch least-squares) Conduct trade studies and provide design recommendations for GNC hardware such as reaction wheels, torque rods, thrusters, star trackers, sun sensors, IMUs, and RF/optical navigation sensors Develop GNC algorithms and implement them in flight software; verify performance and robustness through high-fidelity simulation, Monte Carlo analysis, and hardware-in-the-loop testing Design, implement, and improve high-fidelity 6-DOF simulation environments for SIL, HIL, and advanced mission analysis Utilize and enhance frequency-domain and time-domain control analysis tools to ensure stability margins, disturbance rejection, and performance in off-nominal conditions Define system- and subsystem-level GNC requirements, interfaces, and verification plans in collaboration with systems engineering Work cross-functionally with avionics, propulsion, software, mission operations, and systems teams to ensure seamless integration of GNC functionality Support on-orbit commissioning, system calibration, maneuver planning, and anomaly resolution throughout mission operations Skills Bachelor's degree in aerospace engineering, mechanical engineering, physics, or related field 0 - 6 years of relevant GNC Engineering experience in the aerospace and defense industry Coursework or project experience in spacecraft attitude dynamics, orbital mechanics, and control systems Strong understanding of physics, attitude dynamics, orbital mechanics, and software development principles Internship or project experience in GNC, control systems, or simulation development Experience with C++ and/or Python for algorithm development, numerical methods, or simulation Familiarity with spacecraft GNC concepts, such as sensors, actuators, state estimation, and control laws Exposure to filtering or estimation methods (e.g., Kalman filters) through internships, coursework, or projects Ability to build, test, and debug software and simulation tools Strong analytical skills and ability to work effectively in a multidisciplinary engineering environment Demonstrated ability to take ownership of tasks and learn new concepts quickly Master's degree in aerospace engineering or equivalent discipline 4+ years experience developing and/or producing GNC systems for space applications Experience with closed-loop control, orbital maneuvering, filtering, state estimation, fault management, and software development Experience developing simulation environments for spaceflight physics Experience with flight operations and solving problems real-time on console Experience performing line of sight performance analysis such as jitter, smear, and pointing accuracy Experience doing hands-on GNC hardware testing Ability to maintain or obtain TS//SCI US government security clearance Benefits Health Dental Vision HRA/HSA options PTO and paid holidays 401K Parental Leave Company Overview True Anomaly is builds space security and resilience at the intersection of spacecraft, software, and autonomy. It was founded in 2022, and is headquartered in Centennial, Colorado, USA, with a workforce of 201-500 employees. Its website is