Senior Principal Mechanical Systems Engineer
Northrop Grumman
Listing collected from Northrop Grumman's career site. NextChapter is independent of Northrop Grumman.
Annapolis, MD · Posted October 6, 2026
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Where Annapolis, MD ranks
Where Annapolis, MD placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #2Best all-round cities for new graduates in the Mid-Atlantic68 / 100 · of 37
- #4Best cities for entry-level and junior jobs42% · of 100
- #5Best college towns for entry-level and junior jobs44% · of 100
- #5Best college towns for junior jobs in the Mid-Atlantic44% · of 55
- #5Best cities for junior jobs in the Mid-Atlantic42% · of 85
- #7Best all-round cities for new graduates66 / 100 · of 100
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among engineers, all other is little observed so far. Measured exposure for engineers, all other: 7% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: SCI 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. Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today. The Naval & Oceanic Systems business unit headquartered in Annapolis, MD is seeking dependable individuals willing to work in a collaborative environment and that are interested in expanding their horizons. The Mechanical Engineering Department is seeking a Senior Principal Mechanical Systems Engineer to join our team of qualified, diverse individuals. Essential Functions: The position involves concept development, problem solving, technical planning, design development, and hardware integration and testing. The applicant will be responsible for translating customer requirements into system solutions that consider technical, schedule, and cost constraints. Experience with underwater or naval systems—such as torpedoes, towed vehicles, Uncrewed Underwater Vehicles (UUVs), Remotely Operated Vehicles (ROVs), acoustic communications, sonar systems, and submarine interfacing—is highly valued, as the role will also include work on undersea-domain systems programs. The candidate should be skilled in teamwork, task prioritization, and multitasking to achieve project goals. They must also be adept at analyzing complex problems and developing solutions, with strong verbal and written communication abilities. Basic Qualifications: BS degree in Engineering (Aerospace, Mechanical or equivalent STEM) and a minimum of 8 years of experience in mechanical engineering; or MS degree with 6 years of experience; 4 Years with PhD. Ability to work on-site at Annapolis, MD campus. Ability to work in a fast-paced environment, supporting multiple projects simultaneously. Proficiency in using common engineering design, production, analysis, and office tools. Experience with Finite Element Analysis tools, bolted joint analysis, and structural hand calculations. Experience using 3D CAD software to create and review models. US citizen with the ability to obtain a TS/SCI and pass a polygraph. Preferred Qualifications: Familiarity with underwater/naval systems such as torpedoes, towed vehicles, Uncrewed Underwater Vehicles (UUV), Remotely Operated Vehicles (ROV), Submarines, etc. Experience designing hardware and structures subjected to long-term sea water submersion such as pressure vessels. A working knowledge of environmental corrosion and methods used to mitigate its effects. Experience with interpreting and applying GD&T (ASME Y14.5-2009). Experience with manufacturing design elements including: welding, machining, casting, and forging. Proficiency in conducting Finite Element Analysis, bolted joint analysis, and structural hand calculations. Active TS/SSBI/SCI clearance with current polygraph. NGFeaturedJobs #NOSBlitz Primary Level Salary Range: $135,800.00 - $203,600.00 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.