[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Northrop Grumman jobs](https://jobs.opennash.com/companies/northrop-grumman/) · [Search jobs](/search/) Northrop Grumman · Multiple locations # Principal or Sr. Principal Guidance Navigation and Control (GNC) Engineer Multiple locations Full-time Senior individual contributor $114,000.00 - $171,000.00 Operations Listed on Northrop Grumman’s official careers site. Posted September 30, 2026. Check that it is still open and apply there. [Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-California-El-Segundo/Principal-or-Sr-Principal-Guidance-Navigation-and-Control--GNC--Engineer_R10233039) [OpenNash Jobs](https://jobs.opennash.com/) / [Northrop Grumman](https://jobs.opennash.com/companies/northrop-grumman/) / Principal or Sr. Principal Guidance Navigation and Control (GNC) Engineer ## Job description ### RELOCATION ASSISTANCE Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes 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 Aeronautics Systems has an opening for a Principal or Sr. Principal Guidance Navigation and Control (GNC) Engineer to join our Advanced GNC team in Rancho Bernardo, CA or El Segundo, CA. ### Essential Functions Design, develop, implement, verify and test algorithms, software and simulation tools to perform guidance, navigation and control (GNC). Develop control laws to meet air vehicle performance, flying qualities and stability margin requirements, both on ground and in flight. Develop air vehicle system linear and non-linear dynamic simulation models and integrate models into software and hardware-in-the-loop simulation environments. Develop modern control laws, conduct trade studies on unconventional control effectors. Work on unusually complex design technical problems and drive innovative solutions. Develop analysis to support design reviews at different stages in a development program, such as PDR, CDR, etc. Analyze air vehicle flight test data and support flight test activities. This position requires 100% on-site work. Telework/hybrid schedule is not allowed. The anticipated travel for this role is approximately 20% - 25%. This position may be filled at either the Principal GNC Engineer level or the Senior Principal GNC level, depending upon the qualifications below. ### Basic Qualifications for Principal GNC Engineer Bachelor's Degree in a related Science, Technology, Engineering or Math (STEM) discipline with 5 years of relevant experience; OR a Master's Degree in a related STEM discipline with 3 years of relevant experience; OR a PhD in related STEM discipline with 1 year of relevant experience. Must have experience on a team of GNC engineers. Must be proficient in and have experience with Matlab, Simulink, and autocoding Simulink models. Active US Government Secret clearance Ability to obtain and maintain Special Program Access (SAP). ### Basic Qualifications for Senior Principal GNC Engineer Bachelor's Degree in a related Science, Technology, Engineering or Math (STEM) discipline with 8 years of relevant experience; OR a Master's Degree in a related STEM discipline with 6 years of relevant experience; OR a PhD in related STEM discipline with 4 years of relevant experience. Ability to obtain and maintain a US Government Secret (or Top Secret, depending upon program need) clearance prior to commencement of employment. Ability to obtain and maintain Special Program Access (SAP). ### Preferred Qualifications for both levels Active US Government Secret or Top Secret clearance (highly preferred) Special Program Access Experience with NGAS Common Products Core VMS GNC modelling Knowledge of C/C++, Java, Python Knowledgeable in the area of flight sciences, control law development, and control system analysis. ### Primary Level Salary Range $114,000.00 - $171,000.00 Secondary Level Salary Range: $142,200.00 - $213,400.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit [http://www.northropgrumman.com/EEO](http://www.northropgrumman.com/EEO). U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions. ## At a glance - Posted by the employer: Sep 30, 2026 - First seen by OpenNash: Jul 10, 2026 - Last checked: Oct 18, 2026 - Listed for: 100 days - Location: Multiple locations - Employment type: Full-time - Pay: $114,000.00 - $171,000.00[Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-California-El-Segundo/Principal-or-Sr-Principal-Guidance-Navigation-and-Control--GNC--Engineer_R10233039) ## More jobs at Northrop Grumman ### [2026 Associate Guidance Navigation Control Engineer - Dulles VA (AHT)](https://jobs.opennash.com/companies/northrop-grumman/jobs/e2cd44fc21f23f2b7e79/) ### [AWS Cloud Platform / Landing Zone Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/d7a6ecd522b24f23dff2/) ### [Advanced Programs - Sr. Principal Systems Engineer - 18309](https://jobs.opennash.com/companies/northrop-grumman/jobs/d1d61b2f76020f943d12/) ### [Aeronautical Engineer or Principal Aeronautical Engineer - Subsystems](https://jobs.opennash.com/companies/northrop-grumman/jobs/05ae5e5aa12b1053a0df/) ### [Antenna Test Engineer or Principal Antenna Test Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/db9e57050906cc2ea8fe/) ## Similar jobs at other companies ### [Guidance Navigation & Control Engineer (Associate or Experienced)](https://jobs.opennash.com/companies/boeing/jobs/4850fff3d962a92755d0/) Boeing ### [Guidance Navigation & Control Engineer (Experienced, Lead, Senior)](https://jobs.opennash.com/companies/boeing/jobs/6136bd7fe9ead5a028db/) Boeing ### [Lead Systems Engineer – Guidance, Navigation, Control & Fusion](https://jobs.opennash.com/companies/leonardo/jobs/d8668f9b7fb34d7ba32b/) Leonardo ### [Principal QA Engineer](https://jobs.opennash.com/companies/aegon/jobs/48dc5c1506a7982815d2/) Aegon ### [Principal Engineer - AI Security](https://jobs.opennash.com/companies/thrivent-financial/jobs/f9dc88619f99f69726dc/) Thrivent Financial OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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