Northrop Grumman Aeronautics Systems has an opening for a Principal or Senior Principal Guidance Navigation Controls (GNC) Engineer to join our team of qualified individuals within our South Bay Vehicle Engineering organization. This position is located at El Segundo, CA.
The selected candidate should thrive in a fast-paced work environment with high expectations and collaborative/team settings across all levels. 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.
Primary Duties and Responsibilities:
- 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.
This position may be filled at either the Principal GNC Engineer level or the Senior Principal GNC Engineer level, depending upon the qualifications below.
Basic Qualifications for Principal Guidance Navigation Controls Engineer:
- Bachelor's degree in a related Science, Technology, Engineering or Mathematics (STEM) discipline with 5 years of relevant experience; OR Master’s degree in a STEM discipline with 3 years of relevant experience; OR a PhD in a related STEM with 1 year of relevant 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.
- Working knowledge of outer loop control law performance requirements.
- Experience using MATLAB to create, process, analyze, and visually represent data.
- Experience using Simulink to model dynamic systems.
- Familiarity with autocoding Simulink models
- Working knowledge of logic, modes, and states for autonomous aircraft.
- Familiarity with C/C++ programming.
- Familiarity with Python programming.
- Must have the ability to obtain and maintain a US Government clearance and Special Access Program (SAP) within a reasonable amount of time as determined by business needs
Basic Qualifications for Sr. Principal Guidance Navigation Controls Engineer:
- Bachelor's degree in a related Science, Technology, Engineering or Mathematics (STEM) discipline with 9 years of relevant experience; OR Master’s degree in a STEM discipline with 7 years of relevant experience; OR a PhD in a related STEM with 4 years of relevant 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.
- Working knowledge of outer loop control law performance requirements.
- Experience using MATLAB to create, process, analyze, and visually represent data.
- Experience using Simulink to model dynamic systems.
- Familiarity with autocoding Simulink models
- Working knowledge of logic, modes, and states for autonomous aircraft.
- Familiarity with C/C++ programming.
- Familiarity with Python programming.
- Must have the ability to obtain and maintain a US Government clearance and Special Access Program (SAP) within a reasonable amount of time as determined by business needs
Preferred Qualifications for both levels:
- A current active in-scope DUS 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
- Familiarity with Simulink Stateflow Modeling
- Working knowledge of MIL-STD-1797 flying qualities requirements
- Experience with autonomy algorithms (Autonomous Taxi/ Take Off and Landing, etc.) for driving control laws.
- Experience with Lua Script programming.
- Working knowledge of SAE-94910 performance requirements.
Skills Required
- Bachelor's degree in STEM with 5+ years OR Master's with 3+ years OR PhD with 1+ years (Principal level)
- Bachelor's degree in STEM with 9+ years OR Master's with 7+ years OR PhD with 4+ years (Senior Principal level)
- 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
- Working knowledge of outer loop control law performance requirements
- Experience using MATLAB to create, process, analyze, and visualize data
- Experience using Simulink to model dynamic systems
- Familiarity with autocoding Simulink models
- Working knowledge of logic, modes, and states for autonomous aircraft
- Familiarity with C/C++ programming
- Familiarity with Python programming
- Ability to obtain and maintain US Government clearance and Special Access Program (SAP)
- Active in-scope DoD Government Secret security clearance or higher
- Experience designing control laws for fixed-wing aircraft and performing handling qualities analysis
- Familiarity with Simulink Stateflow modeling
- Working knowledge of MIL-STD-1797 flying qualities requirements
- Experience with autonomy algorithms (Autonomous Taxi/Take Off and Landing) for control laws
- Experience with Lua script programming
- Working knowledge of SAE-94910 performance requirements
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.







