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# Principal OR Sr. Principal Guidance Navigation Controls Engineer

- **Company:** NORTHROP GRUMMAN SYSTEMS CORPORATION
- **Location:** El Segundo, CA, United States
- **Experience:** Expert
- **Salary:** $114,000.0 - $171,000.0
- **Contract:** Permanent contract
- **Skills:** Dynamical Systems, MATLAB, SAP (Applications), Simulink
- **Published:** October 12, 2026
- **Apply:** https://www.juju.com/job/1_ngrum5-R10247594

## About the Role

simulation and hardware-in-the-loop lab testing. + Support flight test activities and analyze air vehicle flight test data. + Develop analysis to support design reviews at different stages in a development program, such as PDR, CDR, etc. _This position can be filled at either the Principal GNC Engineer level or the Senior Principal GNC Engineer level, depending upon the qualifications below._ **Basic Qualifications for Principal GNC Engineer:** + Bachelor's degree in a related Science, Technology, Engineering or Mathematics (STEM) discipline with 5 years of relevant, professional engineering experience; OR Master's degree in a related STEM discipline with 3 years of relevant, professional engineering experience; OR a PhD in a related STEM discipline with 1 year of relevant, professional engineering experience. + Experience with fixed-wing aircraft flight dynamics. + Experience using linear control principles and tools to design feedback control
systems. + Experience analyzing non-linear simulations of aircraft closed-loop dynamics. + Working knowledge of autopilot functions and outer/inner loop control law performance requirements. + Experience using MATLAB to create, process, analyze, and visually represent data. + Experience using Simulink to model dynamic systems. + Working knowledge of logic, modes, and states for autonomous aircraft. + Ability and willingness to travel up to 20% of the time. + Ability to obtain a US Government **Secret** security clearance or higher and Special Program Access (SAP). **Basic Qualifications for Senior Principal GNC Engineer:** + Bachelor's degree in a related Science, Technology, Engineering or Mathematics (STEM) discipline with 8 years of relevant, professional engineering experience; OR Master's degree in a related STEM discipline with 6 years of relevant, professional engineering experience; OR a PhD in a related STEM discipline with 4
years of relevant, professional engineering experience. + Experience with fixed-wing aircraft flight dynamics. + Experience using linear control principles and tools to design feedback control systems. + Experience analyzing non-linear simulations of aircraft closed-loop dynamics. + Working knowledge of autopilot functions and outer/inner loop control law performance requirements. + Experience using MATLAB to create, process, analyze, and visually represent data. + Experience using Simulink to model dynamic systems. + Working knowledge of logic, modes, and states for autonomous aircraft. + Ability and willingness to travel up to 20% of the time. + Ability to obtain a US Government **Secret** security clearance or higher and Special Program Access (SAP). **Preferred Qualifications for both levels:** + A current, active in-scope US Government **Secret** security clearance or higher, with the ability to obtain Special Program Access (SAP). +