Castelion
Senior GNC Engineer (Navigation)
Rio Rancho, NM +3 · Senior · Full-time · Posted Sep 7, 2026
- Location
- Rio Rancho, NM
Torrance, CA
19951 Mariner Ave, Torance, CA 90503
2601 29th Ave NW, Rio Rancho, NM 87144 - Experience
- 5+ years.
- Education
- Bachelor's, Master's, or PhD in Aerospace Engineering, Electrical Engineering, or related field.
- Visa sponsorship
- Employment is contingent upon the candidate’s ability to access applicable export-controlled information without additional export licensing. If designated, the role may require a U.S. Government security clearance or other authorization and applicable citizenship or eligibility requirements.
About the job
Develops and validates navigation and sensor-fusion systems for long-range hypersonic vehicles, including operation in GPS-denied environments.
What you'll do
- Design and implement inertial, alternative-navigation, and multi-sensor fusion algorithms for high-speed flight vehicles.
- Integrate navigation algorithms with onboard sensors and real-time embedded systems; support HIL and flight testing.
- Model and evaluate navigation performance, characterize sensor errors, and improve systems using test and analysis results.
What they ask for
- Bachelor's, Master's, or PhD in Aerospace Engineering, Electrical Engineering, or a related field.
- 5+ years of navigation algorithm development, analysis, and validation for aerospace or high-performance dynamic systems.
- Strong background in estimation theory, including EKF and multi-sensor fusion; experience with INS and external aiding sources.
- Proficiency in MATLAB/Simulink or equivalent; experience with 3DOF and 6DOF simulations and real-time implementation.
Nice to have
- Familiarity with alternative-navigation techniques for GPS-denied environments.
- Familiarity with flight software integration and real-time embedded systems.
Tools
Extended Kalman Filters (EKF), IMUs, star trackers, GNSS, MATLAB/Simulink, 3DOF, 6DOF, HIL
Model-written summary · the original posting is authoritative