Sr Principal Engineer Supplier Quality
Northrop Grumman
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CA, US · Posted November 13, 2026
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About the job
RELOCATION ASSISTANCE: No relocation assistance available
CLEARANCE REQUIRED FOR START: No
CLEARANCE TYPE: Secret
TRAVEL: Yes, 100% 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’s Aeronautics System sector is currently hiring a Senior Principal Supplier Quality Engineer. This is a remote opportunity however, candidate must be located in the Los Angeles Metropolitan area. This position requires extensive travel in the Los Angeles area. Position also requires ability to fly commercially on very short notice to meet company commitments.
Job Duties
Responsible for Supplier Quality risk management.
Develops and implements supplier quality evaluation and control systems.
Assures supplier process and product quality, including contractual, regulatory, and technical compliance.
Interfaces directly with supplier personnel and must be knowledgeable in and capable of assessing both supplier quality and manufacturing processes and procedures.
Conducts product and process verification activities, monitors supplier quality performance, and drives root cause corrective action analysis for supplier quality issues.
Supports the maintenance of the approved supplier list and periodically reviews supplier performance to determine whether suppliers should remain on the approved list.
Manages supplier requests for waivers, deviations and discrepancy reporting process. Keeps management apprised of supplier performance, quality status, and risks.
Coordinates and oversees Supplier Quality plan implementation through all program phases. Actively engages in supplier evaluation, qualification and selection as part of the Business Acquisition Process (BAP) and as new procurements are required on existing programs.
Manages implementation of Supplier Quality processes, including supplier approval activities, source selection evaluations, supplier classification designation (Critical, Key and Standard), development and execution of supplier quality risk assessments and mitigation plans, and supplier quality requirements development and flow-downs.
Specific tasks will include, but are not limited to:
Perform Quality System audits
Perform Process Product audits
Perform Counterfeit Parts / DFARS audits
Basic Qualifications for a Senior Principal Supplier Quality Engineer:
Must have a Bachelor’s of Science AND 8 years of quality experience, OR a Master’s degree and 6 years of quality experience
Ability to travel up to 100% of time
Valid State Driver’s License to operate a personal motor vehicle
Own dependable motor vehicle to travel to local suppliers
Must be proficient in MS Office, Word, PowerPoint and Excel
Ability to obtain and maintain a DoD secret Clearance and Special Program Access
AS9100 Lead Auditor Certification
Preferred Qualifications:
Aerospace Manufacturing Certifications
Active DoD Secret Clearance
STEM Degree (Science, Technology, Engineering or Math)
SAP Business System experience
Supplier Quality experience in Aerospace industry
Six Sigma/Lean Certification
AS9102 FAI/ Net Inspect
Digital Data/CMM interpretation
Primary Level Salary Range: $113,500.00 - $141,900.00
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.