Principal or Senior Principal Mechanical Engineer

Relocation assistance may be available. Position requires a current/active U.S. Government Top Secret clearance with ability to obtain TS/SCI with CI polygraph. Travel required approximately 10% of time.

About the role

At Northrop Grumman, employees work on revolutionary systems that impact lives worldwide and for generations to come. The company’s pioneering spirit has driven advancements from the first trans‑Atlantic flight to stealth bombers and moon landings. We seek individuals with bold ideas, courage, and a pioneering spirit to help invent the future while enjoying a culture that values intellectual curiosity, cognitive diversity, and bringing your whole self to work. Employees are part of history and make history, contributing to solutions for the world’s biggest challenges across land, sea, air, space, and cyberspace. The Naval & Oceanic Systems business unit in Annapolis, MD is looking for a Principal or Senior Principal Mechanical Engineer to join a collaborative team focused on undersea hardware.

Responsibilities

• Concept development, problem solving, technical planning, design development, and integration & testing of undersea hardware.
• Translate customer requirements into systems solutions that acknowledge technical, schedule, and cost constraints.
• Collaborate in a team environment, prioritize and adjust tasks to accomplish project results.
• Prioritize multiple responsibilities and/or accomplish them simultaneously.
• Comprehend and analyze complex problems and develop solutions.
• Demonstrate excellent verbal and written communication skills.
• Apply demonstrated experience in hardware design.
• Understand design for manufacturing practices.
• Develop engineering processes, procedures, and documentation for manufacturing.
• Understand engineering’s role in supporting small to medium production quantities.

Requirements

• BS degree in Engineering (Mechanical, Aerospace, Ocean Engineering or equivalent STEM) and ≥5 years of experience, or MS degree with ≥3 years of experience.
• Proficiency in common engineering design, production, analysis, and office tools.
• Ability to work on site at the Annapolis, MD campus.
• Current/active U.S. Government Top Secret clearance with ability to obtain TS/SCI with CI polygraph.

Additional Requirements for Senior Principal Level

• BS degree in Engineering (Mechanical, Aerospace, Ocean Engineering or equivalent STEM) and ≥8 years of experience, or MS degree with ≥6 years of experience, or PhD with ≥4 years of experience.
• Same proficiency, site, and clearance requirements as above.

Preferred Qualifications

• Able to work in a fast‑paced environment with multiple simultaneous projects.
• Proficiency with Siemens NX and Teamcenter.
• Proficiency in geometric dimensioning and tolerancing (GD&T).
• Experience with undersea vehicle and system design.
• Active TS/SCI clearance with CI polygraph (preferred).

Skills

• Proficiency with common engineering design, production, analysis, and office tools.
• Siemens NX and Teamcenter.
• Geometric dimensioning and tolerancing (GD&T).
• Undersea vehicle and system design.
• Strong verbal and written communication.
• Team collaboration and task prioritization.

Benefits

• Health insurance coverage.
• Life and disability insurance.
• Savings plan.
• Company‑paid holidays.
• Paid time off (PTO) for vacation and/or personal business.
• Eligibility for overtime, shift differential, and discretionary bonus.
• Annual bonuses tied to individual and company performance.
• Long‑term incentives for Vice President or Director positions.

Pay

• Principal Mechanical Engineer: $98,800.00 – $148,300.00.
• Senior Principal Mechanical Engineer: $123,400.00 – $185,000.00.
• Base salary determined by scope, responsibilities, experience, education, skills, and market conditions; may include overtime, shift differential, and discretionary bonus.