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Principal or Sr. Principal Mechanical Engineer

Northrop Grumman Systems

Listing collected from Northrop Grumman Systems's career site. NextChapter is independent of Northrop Grumman Systems.

Annapolis, MD · Posted November 3, 2026

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About the job

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: Top 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.

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 Principal Mechanical Engineer or a Senior Mechanical Principal Engineer to join our team of qualified, diverse individuals.

Essential Functions:

This position tasking includes concept development, problem solving, technical planning, design development and integration & testing of undersea hardware. The applicant will translate customer requirements into systems solutions that acknowledge technical, schedule, and cost constraints.

The candidate must be able to collaborate in a team environment, prioritize and adjust tasks to accomplish the project result, prioritize multiple responsibilities and/or accomplishing them simultaneously, and comprehend and analyze complex problems and develop solutions. Excellent verbal and written communication skills are required.

The successful candidate should have demonstrated experience in hardware design, an understanding of design for manufacturing practices, developing engineering processes, procedures and documentation for manufacturing, and an understanding of engineering’s role for supporting small to medium production quantities.

Basic Qualifications for a Principal Mechanical Engineer:

· BS degree in Engineering (Mechanical, Aerospace, Ocean Engineering or equivalent STEM) and a minimum of 5 years of experience or MS degree with 3 years of experience or PhD with 1 years of experience.

· Proficiency in using common engineering design, production, analysis, and office tools.

· Ability to work on site at Annapolis, MD campus.

· US citizen with the ability to obtain a TS/SCI and pass a polygraph.

Basic Qualifications for a Senior Principal Mechanical Engineer:

· BS degree in Engineering (Mechanical, Aerospace, Ocean Engineering or equivalent STEM) and a minimum of 8 years of experience or MS degree with 6 years of experience or PhD with 4 years of experience.

· Proficiency in using common engineering design, production, analysis, and office tools.

· Ability to work on site at Annapolis, MD campus.

· US citizen with the ability to obtain a TS/SCI and pass a polygraph.

Preferred Qualifications:

· Able to work in a fast-paced environment where multiple projects are being developed and deployed simultaneously

· Proficiency with Siemens NX and Teamcenter

· Proficiency in geometric dimensioning and tolerancing

· Experience with undersea vehicle and system design

· Active TS/SCI clearance

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Primary Level Salary Range: $98,900.00 - $148,300.00

Secondary Level Salary Range: $123,400.00 - $185,000.00

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.