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Posted June 05, 2026
NORTHROP GRUMMAN

MLS Project Engineer

Sunnyvale, CA, United States Full Time
Compensation: $103,600 to $155,400 Annually
Reference: NORTHROP GRUMMAN_R10232812

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Missions Systems sector is seeking either a Principal or Sr. Principal Mechanical Engineer (depending on experience) to support our Launcher Systems Business Unit in Sunnyvale, CA . This position must be performed onsite.

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.

Job Description:
  • 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.


This position may be filled at a level 3 or 4, depending on the candidate's experience.

Basic Qualifications for the Principal Mechanical Engineer (level 3):
  • Bachelor's degree in a related STEM discipline (Science, Technology, Engineering, or Math) with a minimum of 5 years of relevant work experience; OR a master's degree in a STEM discipline with 3 or more years of experience.
  • Experience reading and interpreting engineering drawings.
  • Experience with mechanical assembly processes.
  • Experience in technical writing and presentations.
  • The ability to obtain and maintain a U.S. Government Secret clearance is required.
  • U.S. citizenship is required.


Basic Qualifications for the Principal Mechanical Engineer (level 4):
  • 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 5 or more years of experience.
  • Experience reading and interpreting engineering drawings.
  • Experience with mechanical assembly processes.
  • Experience in technical writing and presentations.
  • The ability to obtain and maintain a U.S. Government Secret clearance is required.
  • U.S. citizenship is required.


Preferred Qualifications for Both Levels:
  • Experience with Marine propulsion products required (Turbines, Reduction Gears, Generators, Auxiliary equipment).
  • Manufacturing and/or Industrial Engineering experience.
  • Experience in fast-paced and multi-tasking environments.
  • Experience with tool design.
  • Experience using SAP applications.


Primary Level Salary Range: $103,600.00 - $155,400.00

Secondary Level Salary Range: $129,300.00 - $193,900.00

The 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.

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