
Principal/Sr. Principal Engineer Manufacturing
Compensation
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Job Description
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 Mission Systems is a trusted provider of mission-enabling solutions for global security. We have a wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies. Our differentiated battle management and cyber solutions deliver timely, mission-enabling information and provide superior situational awareness and understanding to protect the U.S. and its global allies.
Northrop Grumman Mission Systems is looking for you to join our team as a Manufacturing Engineer based out of Sunnyvale, CA.
This position is full-time onsite.
You will support the manufacturing and testing of marine propulsion and power generations systems working on various manufacturing processes for high value gearing and steam turbine assemblies, machined components, and welded fabrications. These processes include precision manual assembly, welding, machining, bonding, finishing and mechanical assembly.
What You'll get to Do:
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.
Evaluate existing manufacturing processes and systems to reduce cost, improve sustainability and develop best practices within the manufacturing environment.
Develop efficient process flows and sequences of operations, optimized production area layouts, manage bills of materials, create detailed work instructions, process procedures and tooling requirements with emphasis on safety, foreign object elimination and equipment/system maintenance.
Support continuous improvement initiatives and implementation of new capital equipment for establishing expanded production processes.
Select roles will also support final acceptance testing of product and provide technical support to test facility operation as necessary.
The ability to support multiple production shifts is required (first, second, third shifts, and weekends) based on the assignment and current and future production schedules.
This position can be filled as a Principal Manufacturing Engineer or Sr. Principal Manufacturing Engineer level depending on experience.
Basic Qualifications for a Principal Manufacturing Engineer:
Bachelor's degree in a STEM discipline 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 relevant work experience.
Experience reading and interpreting engineering drawings.
Experience with mechanical assembly processes.
Experience in continuous improvement.
Experience in technical writing.
Ability to obtain a DoD Secret Clearance.
US Citizenship.
Basic Qualifications for a Sr. Principal Manufacturing Engineer:
Bachelor's degree in a STEM discipline 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 relevant work experience.
Experience reading and interpreting engineering drawings.
Experience with mechanical assembly processes.
Experience in continuous improvement.
Experience in technical writing.
Ability to obtain a DoD Secret Clearance.
US Citizenship.
Preferred Qualifications for Both Levels:
Degree in Mechanical or Aeronautical Engineering.
Active Secret Clearance.
Experience with propulsion and power plant machinery or experience building large equipment structures.
Experience with GDT control plan development and execution.
Experience utilizing a modern ERP system.
Manufacturing equipment, product testing and facility operational experience.
Experience leading technical projects requiring project planning, scheduling, resource identification and financial management.
Experience with new product introduction.
Experience with applying Lean Six Sigma principles on low volume, high mix processes.
Experience leading technical projects requiring project planning, scheduling, resource identification and financial management.
Experience with installation of new equipment and or processing in a highly controlled environment.
Experience with materials and heat treatment of materials.
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Job Details
- Category
- Manufacturing
- Employment Type
- Full time
- Location
- Sunnyvale, CA 94087, United States
- Posted
- Jan 12, 2026, 07:00 PM
- Listed
- Jan 15, 2026, 01:33 AM
- Last updated
- Jan 17, 2026, 01:25 AM
- Compensation
- $103,600 - $155,400 per year
About Northrop Grumman
Part of the growing space industry ecosystem pushing humanity toward interplanetary exploration.
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