Salary
$104k – $155k per year
Location
In office (Sunnyvale)
Seniority
Principal · 5+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 19, 2026. Northrop Grumman scores A on the Alion truth index.
Overview
Company
Impact
Profile match
Northrop Grumman is an American defence contractor whose oldest predecessor was founded in 1939, and which took its present form through the 1994 combination of Northrop and Grumman. It builds strategic systems including the B-21 Raider bomber and the Sentinel intercontinental ballistic missile programme, military and civil space systems, radars and electronic warfare equipment, autonomous aircraft, and mission systems and software for the United States armed forces and allied governments. Headquartered in Falls Church, Virginia and listed on the New York Stock Exchange, it earns the large majority of its revenue from the American government and employs close to one hundred thousand people.
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: NoneTRAVEL: 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.We are looking for you to join our team as a Principal Manufacturing Engineer based in Sunnyvale, CA.
The Manufacturing Engineer will support the welding and fabrication 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, bonding, and heat treatment of iron based products.
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.
- Develop, document, and optimize welding procedures and fabrication processes.
- Evaluate existing manufacturing processes and systems to reduce cost, improve sustainability and develop best practices within the manufacturing environment.
- Develop efficient process flows, optimized production area layouts, and develop end to end manufacturing plans for welded/fabrications assemblies.
- Support continuous improvement initiatives and implementation of new capital equipment for establishing expanded production processes.
- Collaborate with design engineering to ensure manufacturability and DFM considerations.
- Lead qualification and certification of welding processes and personnel.
- The ability to work on site with some exceptions for offsite work occasionally with approval.
Basic Qualifications for the Principal Manufacturing Engineer:
- Bachelor's degree with a minimum of 5 years of relevant work experience; OR a Master's Degree with 3 or more years of experience.
- Experience with automation and/or robotics in a manufacturing environment.
- Experience with welding processes.
- Experience reading and interpreting engineering drawings.
- Experience with technical writing and presentations.
- U.S. citizenship is required.
Preferred Qualifications
- Bachelor's degree in Manufacturing Engineering or similar.
- Experience with welding symbols, codes, and standards particularly Mil. Standards and Tech Pub.
- Experience with robotic welding.
- Experience with additive manufacturing (3D Printing)
- Experience with GD&T inspections.
- Experience with new program introduction.
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