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# Principal OR Senior Principal Navigation Engineer

- **Company:** Northrop Grumman
- **Location:** El Segundo, CA, United States
- **Experience:** Expert
- **Salary:** $114,000.0 - $171,000.0
- **Contract:** Permanent contract
- **Skills:** Global Positioning Systems (GPS), GPS Navigation Devices, SAP (Applications), Verification and Validation (Software), Systems Integration, Software Verification, SC Clearance
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3467072633&tx=FL939FFR&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 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., * Bachelor's Degree in a relevant Science, Technology, Engineering or Math (STEM) discipline and 8 years of related experience; OR a Master's Degree in a relevant STEM with 6 years of related experience; OR a PhD in a relevant STEM discipline with 4 years 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., * A current active in-scope US Government Secret security clearance or higher, with the ability to obtain Special Program Access (SAP).
 * Experience with flight test and nav data post flight analysis
 * Experience managing suppliers
 * Good understanding of the GPS system, the GPS Signal in Space characteristics, DGPS systems, inertial sensors, GPS/INS tightly coupled Kalman filters, GPS receiver design
 * Familiarity with navigation solution requirements development
 * Experience with requirements verification test development and implementation
 * Proficiency with test equipment (oscilloscopes, signal generators, signal analyzers, multi-meters)

## Description

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.