> Markdown version of [/jobs/ext/2281255-principal-or-sr-principal-guidance-navigation-controls-engineer](https://www.wearedevelopers.com/jobs/ext/2281255-principal-or-sr-principal-guidance-navigation-controls-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal OR Sr. Principal Guidance Navigation Controls Engineer - **Company:** Northrop Grumman - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $114,000.0 - $171,000.0 - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Dynamical Systems, Hardware-In-The-Loop Simulation, Python (Programming Language), Lua (Scripting Language), MATLAB, SAP (Applications), Simulink, Stateflow - **Published:** August 28, 2026 - **Apply:** https://www.beyondsandiego.com/job.asp?id=3367836377&tx=FR6764FFI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 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)., * 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). * Experience designing control laws for fixed wing aircraft and performing handling qualities analysis * Working knowledge of MIL-STD-1797 flying qualities requirements * Experience with autonomy algorithms (Autonomous Taxi/ Take Off and Landing, etc.) for driving control laws. * Familiarity with Simulink Stateflow Modeling and autocoding Simulink models * Experience with C/C++, Python, and Lua script programming ## Description * Support research and development of flight control algorithms for manned and unmanned air vehicles. * Design, develop, implement, verify, and test algorithms, software, and simulation tools to perform guidance, navigation and control (GNC) of autonomous unmanned aircraft. * Develop control laws to meet air vehicle performance, flying qualities, and stability margin requirements, both on ground and in flight. * Design outer and inner loop control laws, and associated logic and autonomy functions. * Develop air vehicle system linear and non-linear dynamic simulation models and integrate models into software and hardware-in-the-loop simulation environments. * Perform performance and flying qualities analysis. * Support non-linear 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. ## Related Videos - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Automated Driving - Why is it so hard to introduce](https://www.wearedevelopers.com/videos/628-automated-driving-why-is-it-so-hard-to-introduce) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) - [How to develop an autonomous car end-to-end: Robotic Drive and the mobility revolution](https://www.wearedevelopers.com/videos/22-how-to-develop-an-autonomous-car-end-to-end-robotic-drive-and-the-mobility-revolution) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) ## Related Articles - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [The Prompt Engineer ✍️](https://www.wearedevelopers.com/magazine/216-the-prompt-engineer) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)