[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Northrop Grumman jobs](https://jobs.opennash.com/companies/northrop-grumman/) · [Search jobs](/search/) Northrop Grumman · United States-Utah-Roy # Sentinel -Principal/ Sr Principal MMV Mechanical Engineer (Secret Clearance) 20094 United States-Utah-Roy Full-time Senior individual contributor $89,400.00 - $134,200.00 Skilled Trades & Maintenance Listed on Northrop Grumman’s official careers site. Posted October 2, 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-Utah-Roy/Sentinel--Principal--Sr-Principal-MMV-Mechanical-Engineer--Secret-Clearance--20094_R10253455) [OpenNash Jobs](https://jobs.opennash.com/) / [Northrop Grumman](https://jobs.opennash.com/companies/northrop-grumman/) / Sentinel -Principal/ Sr Principal MMV Mechanical Engineer (Secret Clearance) 20094 ## Job description ### RELOCATION ASSISTANCE Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret 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. As a Major Maintenance Vehicles (MMV) mechanical engineer, you will be responsible for coordinating with suppliers, reviewing designs, and integrating with other NG integrated product teams to ensure adherence to, and implementation of requirements. You will actively participate in design reviews, review/approve subcontract deliverables and gauge supplier readiness to enter contractual milestones. Strong interpersonal skills and attention to detail are critical to being successful in this position. As the suppliers move through the design phase, MMV mechanical engineers will transition to test and verification oversight to assist suppliers through a successful qualification event. This position can be filled as a Principal (level 3) or Sr Principal (level 4) depending on years of experience and qualifications. ### Basic Qualifications Bachelor's degree in Mechanical Engineering or related STEM field in Science Minimum of 5 years (level 3) or 8 years (level 4) of relevant experience U.S. citizen Active Secret Clearance, at time of application, current and within scope, with an investigation date within the last 6 years Ability to obtain and maintain Special Program Access (SAP) Experience with Support Equipment hardware development for aircraft/aerospace programs; including requirements generation, conceptual/detail design, design reviews, and/or testing Experience with Support Equipment requirements analysis, trade studies, SERD generation, design solutions, acquisition, test, and validation Ability to understand and interpret requirements Expertise with Microsoft Office Suite of tools - Project, PowerPoint, Excel, Word Preferred Qualifications: Master’s degree in aerospace or mechanical engineering with 5-9 years of relatable work experience Experience with Teamcenter Hands-on experience in equipment maintenance, fabrication, assembly, power, hand and measuring tools Aerospace / ICBM maintenance experience Knowledge in design of electrical subsystems Knowledge in the development of SE design solutions ANSI/ASME Y14.5 GD&T Primary Level Salary Range: $89,400.00 - $134,200.00 Secondary Level Salary Range: $111,700.00 - $167,500.00 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: Oct 2, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 16 days - Location: United States-Utah-Roy - Employment type: Full-time - Pay: $89,400.00 - $134,200.00[Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-Utah-Roy/Sentinel--Principal--Sr-Principal-MMV-Mechanical-Engineer--Secret-Clearance--20094_R10253455) ## More jobs at Northrop Grumman ### [Computer Support Technician 2 - 20072-Roy Utah](https://jobs.opennash.com/companies/northrop-grumman/jobs/802f04ff075183c73f02/) United States-Utah-Roy ### [Engineer / Principal Engineer Mechanical - 19653](https://jobs.opennash.com/companies/northrop-grumman/jobs/c1904281b160cc77cfff/) United States-Utah-Roy ### [Flight Systems Futures Sr Principal Mechanical Engineer (Top Secret Clearance) 19017](https://jobs.opennash.com/companies/northrop-grumman/jobs/9087b50f6d35d2e886a8/) United States-Utah-Roy ### [Maintenance Technician 4 - 17540](https://jobs.opennash.com/companies/northrop-grumman/jobs/a5b9f874da61b8cb4621/) United States-Utah-Roy ### [Mechanical Engineer (Secret Clearance) - 16714](https://jobs.opennash.com/companies/northrop-grumman/jobs/96aaf77d76f1f19c5ba4/) United States-Utah-Roy ## Similar jobs at other companies ### [Principal Researcher and Senior Principal Researcher - Software Verification - Microsoft Research](https://jobs.opennash.com/companies/microsoft/jobs/111b5db3a6b7e15bbf9f/) Microsoft · United States, Washington, Redmond ### [Principal, Architecture](https://jobs.opennash.com/companies/cargill/jobs/2fddb211c71c079406e7/) Cargill · Wayzata, Minnesota ### [Principal Engineer](https://jobs.opennash.com/companies/thrivent-financial/jobs/9f97aaf5043e817b8cfc/) Thrivent Financial · United States ### [Principal Validation Engineer](https://jobs.opennash.com/companies/cardinal-health/jobs/f4255b000289c1f56c6e/) Cardinal Health · Indianapolis, IN OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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