Mechanical Design Engineer Level 4

Position Overview

Northrop Grumman Mission Systems – Marine Systems is seeking a Mechanical Design Engineer Level 4 to lead mechanical design and general engineering initiatives for surface ship and submarine propulsion and power generation systems. In this role you will design, develop, and support mechanical, thermal hydraulic, and heat transfer systems—from concept through detailed design, manufacture, and testing. Located in Philadelphia with a planned relocation to Annapolis, Maryland in 2029, you will work in a collaborative team environment where innovation meets critical defense applications. DoD Secret Clearance is required, and occasional travel (approximately 10%) is expected. Relocation Assistance may be available.

Key Responsibilities

• Drive the design and development of critical components and systems for naval propulsion and power generation applications.
• Develop new mechanical designs from concept through detailed design, manufacturing, and testing phases.
• Support manufacturing activities for existing production contracts.
• Collaborate with suppliers and customers, including attending meetings that require travel.

Required Qualifications

• Bachelor of Science degree in a STEM discipline with 8 years of relevant experience; or a Master’s degree in a STEM discipline with 6 years of experience.
• Solid understanding of mechanical engineering principles with experience in developing design concepts, performing trade studies, and supporting evaluations and analyses.
• Proficiency in CAD systems such as CREO or NX.
• Familiarity with ANSI Y14.5 drawing standards and geometric dimensioning and tolerancing (GD&T).
• US Citizenship required and ability to obtain and maintain a DoD Secret Clearance.
• Strong team collaboration skills in an engineering environment.

Preferred Qualifications

• Experience with GD&T and solid modeling in NX/CREO.
• Current active DoD Secret Clearance.

Benefits & Perks

• Compensation: Primary Level Salary Range: $124,900.00 - $187,300.00. Offers may also include overtime, shift differential, discretionary bonuses, as well as annual bonuses and long-term incentives for VP or Director positions.
• Comprehensive benefits including health insurance, life and disability insurance, a savings plan, company-paid holidays, and paid time off (PTO) for vacation and personal business.
• Relocation Assistance: May be available.
• Travel: Occasional travel is required to support supplier and customer meetings (approximately 10%).