> Markdown version of [/jobs/ext/3316461-principal-or-senior-principal-engineer-guidance-navigation-control](https://www.wearedevelopers.com/jobs/ext/3316461-principal-or-senior-principal-engineer-guidance-navigation-control). 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 Senior Principal Engineer Guidance Navigation Control - **Company:** Northrop Grumman - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $114,000.0 - $213,400.0 - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Python (Programming Language), MATLAB, SAP (Applications), Simulink - **Published:** September 27, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=08acd54fee5b5ed6 ## About the Role * Basic qualifications for a Principal Engineer Guidance Navigation Control include a Bachelor's in Science, Technology, Engineering or Math (STEM) and at least 5 years of experience, a Master's Degree in STEM with 3 years of experience, or a PhD Degree with no experience. * Basic qualifications for a Senior Principal Engineer Guidance Navigation Control include a Bachelor's in Science, Technology, Engineering or Math (STEM) and at least 8 years of experience, a Master's Degree in STEM with 6 years of experience, or a PhD Degree with 3 years of experience. * Proficient in Matlab and Simulink * Knowledge of C/C++ and Python * Knowledge of flight sciences, control law development, or control system analysis. * Ability to obtain and maintain a US Government Secret Clearance (with a background investigation within the past 6 years or enrolled into Continuous Evaluation). * Must have the ability to obtain and maintain Special Access Program (SAP) clearance, within a reasonable amount of time as determined by business needs., * Excellent communication, analysis and problem-solving skills * Ability to work in a multi-disciplinary team environment * Clearance Level: Secret (S) or ability to obtain a Secret * Proficient in C/C++ * UAVs: Some experience * Flight Test: Some experience