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# Principal or Sr. Principal Guidance Navigation and Control (GNC) Engineer

- **Company:** Northrop Grumman
- **Location:** San Diego, CA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $114,000.0 - $171,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Access, Java (Programming Language), C++ (Programming Language), Hardware-In-The-Loop Simulation, Python (Programming Language), MATLAB, SAP (Applications), Simulink, SC Clearance
- **Published:** October 2, 2026
- **Apply:** https://dejobs.org/x/x/31A1DF892B364FD48A70722DDC54D2E4/job/

## About the Role

* Bachelor's Degree in a related Science, Technology, Engineering or Math (STEM) discipline with 5 years of relevant experience; OR a Master's Degree in a related STEM discipline with 3 years of relevant experience; OR a PhD in related STEM discipline with 1 year of relevant experience.
 * Must have experience on a team of GNC engineers.
 * Must be proficient in and have experience with Matlab, Simulink, and autocoding Simulink models.
 * Active US Government Secret clearance
 * Ability to obtain and maintain Special Program Access (SAP)., * Bachelor's Degree in a related Science, Technology, Engineering or Math (STEM) discipline with 8 years of relevant experience; OR a Master's Degree in a related STEM discipline with 6 years of relevant experience; OR a PhD in related STEM discipline with 4 years of relevant experience.
 * Must have experience on a team of GNC engineers.
 * Must be proficient in and have experience with Matlab, Simulink, and autocoding Simulink models.
 * Ability to obtain and maintain a US Government Secret (or Top Secret, depending upon program need) clearance prior to commencement of employment.
 * Ability to obtain and maintain Special Program Access (SAP).

Preferred Qualifications for both levels:

 * Active US Government Secret or Top Secret clearance (highly preferred)
 * Special Program Access
 * Experience with NGAS Common Products Core VMS GNC modelling
 * Knowledge of C/C++, Java, Python
 * Knowledgeable in the area of flight sciences, control law development, and control system analysis.

## Description

* Design, develop, implement, verify and test algorithms, software and simulation tools to perform guidance, navigation and control (GNC).
 * Develop control laws to meet air vehicle performance, flying qualities and stability margin requirements, both on ground and in flight.
 * Develop air vehicle system linear and non-linear dynamic simulation models and integrate models into software and hardware-in-the-loop simulation environments.
 * Develop modern control laws, conduct trade studies on unconventional control effectors.
 * Work on unusually complex design technical problems and drive innovative solutions.
 * Develop analysis to support design reviews at different stages in a development program, such as PDR, CDR, etc.
 * Analyze air vehicle flight test data and support flight test activities.

This position requires 100% on-site work. Telework/hybrid schedule is not allowed. The anticipated travel for this role is approximately 20% - 25%.