Northrop Grumman
Principal / Sr. Principal Engineer Manufacturing
- Location
- Sunnyvale, CA
- Work type
- On-site
- Job type
- Full-time
- Salary
- $103.6K – $155.4K / yr
- Clearance
- Not required
- U.S. citizenship
- Required
- Posted
- Oct 27, 2026
About the role
RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: No
CLEARANCE TYPE: None
TRAVEL: Yes, 10% of the Time
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.
CLEARANCE REQUIRED FOR START: No
CLEARANCE TYPE: None
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.We are looking for you to join our team as a Principal / Sr. 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.
This position may be filled at a level 3 (Principal) or level 4 (Sr. Principal) depending on candidate experience.
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 fabrication processes (welding, thermal/fusion cutting, heat treatment, plate forming or quality inspections).
- Experience reading and interpreting engineering drawings.
- Experience in technical writing and presentations.
- U.S. citizenship is required.
Basic Qualifications for the Sr. Principal Manufacturing Engineer:
- Bachelor's degree with a minimum of 8 years of relevant work experience; OR a Master's Degree with 6 or more years of experience.
- Experience with fabrication processes (welding, thermal/fusion cutting, heat treatment, plate forming or quality inspections).
- Experience reading and interpreting engineering drawings.
- Experience in technical writing and presentations.
- U.S. citizenship is required.
Preferred Qualifications for Principal Manufacturing Engineer and Sr. Principal Manufacturing Engineer:
- 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.
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.