Staff Mechanical Engineer

Job Summary

We are looking for a Mechanical Engineer based in Woodland Hills, CA, to support senior mechanical engineers in designing, developing, and testing inertial navigation systems for military platforms. The position is an individual contributor with technical leadership responsibilities.

Relocation assistance may be available. The role requires a U.S. Secret Security clearance and must be on-site 100% of the time, with no remote work. Travel may be required up to 10% of the time.

Roles & Responsibilities

• Support design and development for inertial navigation systems, including existing product lines.
• Perform and review precision‑mechanical design work: GD&T, fit/finish, assembly drawings, BOMs, and manufacturing work instructions.
• Develop and execute mechanical testing and qualification plans (vibration, thermal, shock, vacuum, life testing) to meet system requirements.
• Work closely with senior engineers including the chief engineer and program management to drive hardware design within challenging schedules.
• Derive system level requirements into mechanical designs.
• Provide root cause analysis and quick resolution of manufacturing line stops and critical production activities.
• Collaborate with other engineering organizations, program management, factory operations, global supply chain, and mission assurance.
• Mentor junior engineers, conduct design reviews, and maintain engineering best practices for high‑reliability inertial products.

Basic Qualifications

• Bachelor’s degree in a STEM discipline with 12+ years applicable experience; or Master’s degree with 10+ years; or PhD with 8+ years.
• Expertise with mechanical CAD software (Siemens NX preferred).
• Experience with Geometric Dimensioning and Tolerancing (GD&T), drawing creation, tolerance stack‑up analysis.
• Good presentation and writing/communication skills.
• Experience mentoring junior level engineers.
• Active Secret Security Clearance and U.S. Citizenship required.

Preferred Qualifications

• Proficiency with Siemens NX CAD software and Teamcenter PDM.
• Expert‑level proficiency with GD&T per ASME Y14.5.
• Experience with DOD, Military, and/or Space specifications including ASME.
• Advanced knowledge of HRG resonator assemblies and isolators.
• Extensive experience with vibration testing, analysis, and design for vibration isolation.
• Advanced skills in mechanical testing and qualification plans to meet system requirements.
• Familiarity with design and development of test fixtures.
• Experience with failure‑mode analysis and root‑cause investigations for performance degradation, drift, or mechanical anomalies.
• High creativity and ability to solve a wide range of difficult problems.
• Works well under pressure on short turn‑around requests.
• Excellent verbal and written communication skills for presenting technical information clearly.
• Proven ability to collaborate effectively with cross‑functional teams.
• Strong analytical and problem‑solving skills with focus on continuous improvement.
• Proactive and results‑oriented with strong sense of ownership.

Salary and Benefits

Primary Level Salary Range: $161,000.00 - $241,400.00. Employees may be eligible for overtime, shift differential, and discretionary bonuses in addition to base pay. Annual bonuses reward individual contributions and company results. Eligible positions may receive Long‑Term Incentives. Benefits include health insurance, life and disability insurance, savings plan, company‑paid holidays, and paid time off for vacation and personal business.

Equal Opportunity Statement

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 U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.