[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Northrop Grumman # Additive Technologies Principal Investigator 4 United States-California-Sunnyvale Full-time Senior individual contributor $129,300.00 - $193,900.00 Listed on Northrop Grumman’s official careers site. Posted November 4, 2026. Check that it is still open and apply there. [Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-California-Sunnyvale/Additive-Technologies-Principal-Investigator-4_R10258912) [OpenNash Jobs](https://jobs.opennash.com/) / [Northrop Grumman](https://jobs.opennash.com/companies/northrop-grumman/) / Additive Technologies Principal Investigator 4 ## Job description ### RELOCATION ASSISTANCE Relocation assistance may be available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 25% 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 Mission Systems is a trusted provider of mission-enabling solutions for global security. Our Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission. Northrop Grumman Marine systems is seeking a Level 4 Materials Engineer or related field to drive the technical business strategy, development, and execution of heavy industrial additive manufacturing activities. A presence in Sunnyvale, California is preferred but is not required for this role. This position is for a dynamic role within Northrop Grumman’s Marine Systems Materials Engineering and Processes team. A Principal Investigator (PI) will work closely with other materials engineers, design engineering, manufacturing engineering, advanced development, and executive leadership, and our customers to develop and execute technical strategy for industrial use of additive manufacturing. This includes identify use cases on current and future programs, securing funding, and assisting with messaging to customers. The PI will also be required to work tactically with program management, contracts, internal supply chain, and our suppliers to drive execution to schedule. ### Basic Qualifications for Level 4 Bachelor’s Degree in STEM (Science, Technology, Engineering or Math) discipline with 8 years relevant work experience; or Master’s Degree in STEM (Science, Technology, Engineering or Math) discipline with 6 years relevant work experience. The individual in this position will be driving innovation and business-level activities, but will need to have a strong understanding of the technologies involved. An ideal candidate will have a strong technical background in large-scale additive technologies, e.g. WAAM and Powder-directed DED and a clear understanding of materials used, processing, inspection, and related standards & processes. 8+ years of experience in Additive and/or Advanced Manufacturing with emphasis on commercial activities in non-defense applications including oil & gas, large-frame power generation, transportation, aviation, and/or space are required. Experience with supplier quality, manufacturing-focused distributed supply chain, and vendor collaboration are also required. Ability to lift 25 pounds. Must be a US Citizen and have the ability to obtain and maintain a Department of War (DOW) secret-level security Clearance. ### Preferred Qualifications Experience supporting U.S. Navy programs and/or the U.S. Department of War A working knowledge of common Navy fabrications codes and standards Experience in the capture and execution of research and development activities. 8+ years of supporting external customers 8+ years of experience in project management roles. Project Management Professional certification Current holder of secret-level or greater clearance This position will require travel of up to 50%, annually. ### Primary 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](http://www.northropgrumman.com/EEO). U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions. ## At a glance - Posted by the employer: Nov 4, 2026 - First seen by OpenNash: Nov 8, 2026 - Last checked: Nov 8, 2026 - Listed for: 4 days - Location: United States-California-Sunnyvale - Employment type: Full-time - Pay: $129,300.00 - $193,900.00[Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-California-Sunnyvale/Additive-Technologies-Principal-Investigator-4_R10258912) ## More jobs at Northrop Grumman ### [Administrative Assistant 4](https://jobs.opennash.com/companies/northrop-grumman/jobs/32f871cf10bbf47c2d80/) United States-California-Sunnyvale ### [Aeronautical/Mechanical Engineer 2/3](https://jobs.opennash.com/companies/northrop-grumman/jobs/a47c00e52c21e392df0a/) United States-California-Sunnyvale ### [Admin Functional Support 4](https://jobs.opennash.com/companies/northrop-grumman/jobs/09f081d8c79b9c2d0222/) United States-Maryland-Sykesville ### [Aeronautical Section Manager 2](https://jobs.opennash.com/companies/northrop-grumman/jobs/21a8243129c1ed66f7d5/) United States-Florida-Melbourne ## Similar jobs at other companies ### [Additive Manufacturing Engineering Lab Manager](https://jobs.opennash.com/companies/lockheed-martin/jobs/464e7c1e169b7d5e23e1/) Lockheed Martin · Fort Worth, TX ### [Manufacturing Lead Engineer - Additive](https://jobs.opennash.com/companies/eaton/jobs/c02d2496d5a2df4c6170/) Eaton · North Charleston, South Carolina, USA ### [Additive Manufacturing Technician](https://jobs.opennash.com/companies/bae-systems/jobs/36bae66d926a46876486/) BAE Systems · Hudson, New Hampshire, United States ### [Additive Manufacturing Intern II, Summer 2027 (Onsite)](https://jobs.opennash.com/companies/bae-systems/jobs/5d5e320a3ab869a55454/) BAE Systems · Hudson, New Hampshire, United States ### [Additive Manufacturing Co-op (Spring 2027)](https://jobs.opennash.com/companies/bmw-group/jobs/d19fdf737898d0b80aa4/) BMW Group · Spartanburg, South Carolina United States OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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