Principal OR Senior Principal Navigation Engineer
Northrop Grumman
- Location
- United States-California-El Segundo
- Work model
- On-Site
- Level
- Principal
- Posted
- Aug 20, 2026
About this role
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman’s Aeronautics Systems – Research & Advanced Design (R&AD) transforms breakthrough ideas into mission-ready capabilities through intelligent anticipation. We’re the front-end design engine, defining what comes next. From developing cutting-edge next-generation future aircraft to trailblazing collaborative autonomous platforms, we push the boundaries of technology and forge industry-leading partnerships that set new standards for what’s possible. Our team owns the full lifecycle of advanced concept creation, from visionary early-stage designs and rapid prototyping to high-impact demonstrations and solving the toughest technical challenges in survivability, autonomy, and battle management. We seek curious, adaptable people who thrive on turning intuition into breakthrough solutions. If you’re driven to invent the future, build what’s next, and shape the landscape of national security, this is where you belong. Northrop Grumman Aeronautics Systems has an opening for a Principal OR Senior Principal Navigation Engineer to join our team of qualified, diverse individuals within our South Bay Research and Advanced Design (R&AD) Vehicle Engineering organization. This position is located at El Segundo, CA. This is a dynamic organization involved in deploying forward-leaning avionics, guidance, navigation, and control systems for developmental concepts for air vehicles, weapons, and many more platforms. This includes: Performing technical planning, system integration, verification and validation, cost and risk analysis, and supportability and effectiveness analyses for total systems. Ensuring the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performing functional analysis, timeline analysis, detailed trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. General Duties for the Principal/Sr. Principal Navigation Engineer Include: Perform lab testing of the navigation subsystem Support flight test Resolve anomalies Facilitate, support, and perform navigation subsystem solution trades Interface with various suppliers Navigation solution simulation integration. This position may be filled at either the Principal Navigation Engineer level or the Senior Principal Navigation Engineer level, depending upon the qualifications below. Basic Qualifications for Principal Navigation Engineer: Bachelor's Degree in a relevant Science, Technology, Engineering or Math (STEM) discipline and 5 years of related experience; OR a Master's Degree in a relevant STEM with 3 years of related experience; OR a PhD in a relevant STEM discipline with 1 year of related experience General understanding of the GPS system and how it works General understanding of inertial sensors and how they work Ability to obtain and maintain a US Government Secret clearance and Special Program Access. Basic