Northrop Grumman Aeronautics Systems has an opening for a Senior Principal Engineer - Guidance Navigation Controls to join our team of qualified individuals supporting Project Talon 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.
Basic Qualifications:
- Bachelor's degree in a relevant Science, Technology, Engineering or Mathematics (STEM) discipline with 8 years of related experience; OR a Master’s degree in a relevant STEM discipline with 6 years of related experience; OR a PhD in a relevant STEM discipline with 4 years of related experience.
- Experience with the following:
- Fixed-wing aircraft flight dynamics.
- Using linear control principles and tools to design feedback control systems.
- Analyzing non-linear simulations of aircraft closed-loop dynamics.
- Autopilot functions.
- Outer/inner loop control law performance requirements.
- Using MATLAB to create, process, analyze, and visually represent data.
- Using Simulink to model dynamic systems.
- Using Simulink Stateflow Modeling
- Autocoding Simulink models
- Designing autopilot functions.
- Logic, modes, and states for autonomous aircraft.
- C/C++ and Python programming.
- Current, active in-scope US Government Secret security clearance or higher, with the ability to obtain Special Program Access (SAP).
Preferred Qualifications:
- Experience designing control laws for fixed wing aircraft and performing handling qualities analysis
- 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 8 years related experience OR Master's with 6 years OR PhD with 4 years
- Current, active US Government Secret security clearance or higher, with ability to obtain Special Program Access (SAP)
- Experience with fixed-wing aircraft flight dynamics
- Design and use of linear control principles and tools for feedback control systems
- Analyzing non-linear simulations of aircraft closed-loop dynamics
- Autopilot function design and understanding of outer/inner loop control law performance requirements
- Developing logic, modes, and states for autonomous aircraft
- Use of MATLAB for data processing, analysis, and visualization
- Use of Simulink to model dynamic systems
- Use of Simulink Stateflow modeling
- Autocoding Simulink models
- C/C++ programming experience
- Python programming experience
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.








