Sr. Principal Mechanical Engineer
Quick Summary
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman,
Northrop Grumman Mission Systems is looking for you to join our team as a Sr. Principal Mechanical Engineer based in Sunnyvale, CA.
The Project Engineer will support our aftermarket programs for the marine propulsion and power generation systems, working on various engineering and manufacturing processes for high-value gearing and steam turbine assemblies, machined components, and welded fabrications. These processes include precision manual assembly, welding, bonding, and heat treatment of iron-based products.
- Perform Material Requirements Planning (MRP) for all aftermarket material.
- Develop efficient process flows and sequences of operations, manage bills of materials, create detailed work instructions, process procedures, and tooling requirements.
- Create Basis of Estimates (BOEs) for manufacturing of material, repair of field service parts, tooling design, and engineering support of manufacturing.
- Create work instructions for the repair of parts and assemblies returning from the field operations.
- Develop new processes, improve existing manufacturing processes, and develop the required tooling and fixtures with an excellent team of experienced assembly mechanics, machinists, welders, and engineers.
- Perform functional analysis, timeline analysis, detail trade studies, and requirements allocation to translate customer requirements into hardware specifications.
- Support continuous improvement initiatives and implementation of new capital equipment for establishing expanded production processes.
Basic Qualifications for the Sr. Principal Mechanical Engineer:
- Bachelor's degree in a related STEM discipline (Science, Technology, Engineering, or Math) with a minimum of 8 years of relevant work experience; OR a master’s degree in a STEM discipline with 6 or more years of experience.
- Experience reading and interpreting engineering drawings.
- Experience with mechanical assembly processes.
- Experience in technical writing and presentations.
- Ability to obtain a US Government Secret Clearance.
- U.S. citizenship is required.
Preferred Qualifications:
- Experience with Marine propulsion products (Turbines, Reduction Gears, Generators, Auxiliary equipment).
- Manufacturing and/or Industrial Engineering experience.
- Ability to operate in fast-paced and multi-tasking environments.
- Experience with tool design.
- Experience with SAP applications.
#MPR
Primary Level Salary Range: $129,300.00 - $193,900.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.Location & Eligibility
About this job
- Pay per year
- $129,300–$193,900 a year
- 21% above the $133,452 median for Mechanical Engineer jobs on Jobera (832 salaries).
- Posted
- Today
Listing Details
- Posted
- November 3, 2026
- First seen
- November 3, 2026
- Last seen
- November 3, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 63%
- Scored at
- November 3, 2026
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