Principal / Sr. Principal Mechanical Engineer, Inertial Sensors

About the role

Northrop Grumman Mission Systems is seeking a Principal or Sr. Principal Mechanical Engineer in Woodland Hills, CA, designing precision mechanical hardware for advanced PNT navigation applications including inertial sensors, IMUs, and INS.

Security clearance: Secret preferred (not required at start)

What you'll do

• Design precision mechanical sensing elements, assemblies, and packaging for inertial sensors and IMUs
• Deliver designs using 3D CAD, GD&T, tolerance analysis, and material selection
• Develop structural, thermal, dynamic, and multiphysics models (FEM/FEA)
• Drive prototype hardware development through hands-on design, fabrication, machining, and assembly
• Conduct mechanical testing against requirements; own anomalies through root-cause and verified resolution
• Collaborate with electrical, systems, and manufacturing engineers

Basic qualifications

• Principal (Level 3): BS + 5 years; MS + 3 years; or PhD + 1 year in Mechanical Engineering or related
• Sr. Principal (Level 4): BS + 8 years; MS + 6 years; or PhD + 4 years
• 3D CAD, GD&T, tolerance analysis, and FEM/FEA experience
• U.S. citizenship required

Pay & benefits

Relocation assistance may be available. On-site position in Woodland Hills.