Principal / Senior Principal Aerospace Engineer

RELOCATION ASSISTANCE: Relocation assistance may be available | CLEARANCE REQUIRED FOR START: Yes | CLEARANCE TYPE: Secret | TRAVEL: Yes, 10% of the Time

Northrop Grumman Mission Systems in Woodland Hills, CA is seeking a Principal or Senior Principal Aerospace Engineer to join the Engineering & Sciences organization. Full-time on-site in Woodland Hills.

What You'll Get To Do

• Develop and maintain physics-based models and simulations of inertial navigation systems (INS) including sensors (gyros, accelerometers), error sources, and environmental effects
• Perform Monte Carlo analyses, sensitivity studies, and trade-off analyses to assess system performance and margins
• Analyze lab, flight, and field test data to validate models and quantify performance
• Support requirements decomposition with model-based performance predictions and error budgets
• Generate and maintain simulation frameworks (MATLAB/Simulink, Python, C/C++)
• Collaborate with systems, hardware, and software teams on HIL and SIL environments
• Contribute to test planning; analyze test and qualification results; perform root cause investigations
• Prepare technical documentation including modeling assumptions, validation reports, and analysis briefs
• Mentor junior engineers in modeling, simulation, and data analysis

Basic Qualifications

Principal: BS in STEM + 5 years OR MS + 3 years OR PhD + 1 year relevant experience Senior Principal: BS in STEM + 8 years OR MS + 6 years OR PhD + 4 years relevant experience

• Demonstrated experience in modeling, simulation, and analysis for complex systems
• Proficiency with MATLAB/Simulink and Python
• Experience processing and analyzing sensor or navigation data sets
• Active US Government Secret clearance required
• US Citizenship required

Preferred Qualifications

• MS or PhD in Aerospace Engineering, Electrical Engineering, Physics, or Applied Mathematics
• Experience with inertial navigation systems (INS), IMU modeling, navigation algorithms
• Experience with GNC, Kalman filtering, state estimation, or sensor fusion
• Experience with C/C++ or Python for algorithm development

Primary Salary Range: $114,000-$171,000/year Senior Level Salary Range: $142,200-$213,400/year