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Principal Mechanical Engineer / Sr. Principal Mechanical Engineer 16934

Northrop Grumman
UTRO01, United States, United Statesfull_timeVerifiedPosted 15 Jun 2026
💰 $167,500/yr($89,400/yr$167,500/yr)

About the role

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.

Northrop Grumman is seeking a qualified Mechanical Engineer to join our Defense Systems team supporting the U.S. Air Force Sentinel program. The applicant will be responsible for the design, development, production, and deployment of launch-equipment hardware and systems for each weapons system facility. Working in a dynamic, people-focused environment, the engineer will collaborate closely with users, customers, and fellow engineers to deliver high performance mechanical solutions for the Sentinel program.

Key Responsibilities:

• Primary role is to serve as a mechanical designer for mechanical systems (mechanisms) design on a major Northrop Grumman Defense Systems program

• Research, plan, design, and develop mechanical/aerospace products for aircraft, spacecraft, launch vehicles, missiles, ground vehicles and associated ground and test equipment

• Develop CAD models and 3D model based drawings using Siemens NX and Team Center

• Verify specifications and designs through modeling and simulation, test data processing, and performance analysis

• Support all phases of the systems lifecycle including design, drawings, fabrication, test, installation, operation and maintenance

• Design of components/systems, and preliminary/sizing analysis for both stress and dynamic analysis of aerospace structures.

• Preparation and presentation of reports, briefings, design documents (drawings and specifications) and interface with customers.

• Attend internal program meetings, customer technical exchanges, and supplier briefings; present design status during formal milestone reviews

• Assisting IPT lead in managing team schedule and mentoring junior engineers in mechanical design

Position Benefits:  

As a full-time employee of Northrop Grumman, you are eligible for our robust benefits package including: 

• Medical, Dental & Vision coverage  

• 401k  

• Educational Assistance  

• Life Insurance  

• Employee Assistance Programs & Work/Life Solutions  

• Paid Time Off  

• Health & Wellness Resources  

• Employee Discounts  

  

This positions standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off.  

Basic Qualifications:

• Principal Mechanical Engineer: Bachelor’s degree in a STEM field (Science, Technology, Engineering, Mathematics) with 5 years of experience; or Master's degree with 3 years of experience

• Sr. Principal Mechanical Engineer: Bachelor’s degree in a STEM field (Science, Technology, Engineering, Mathematics) with 8 years of experience; 6 years’ experience with a Master’s degree

Must have an active U.S. Government DoD Secret security clearance at time of application, current and within scope, with an ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business need

• 5+ years of experience with CAD modeling (Siemens NX preferred)

• 5+ Experience in mechanical engineering that includes a background in mechanical systems (mechanisms preferred)

• Familiar with common engineering standards (ISO, ASME, Mil Spec, NAS, etc.)

• Ability to operate independently with minimal supervision, function in a dynamic environment, and be flexible to changing direction

• Proficient written and verbal communication skills when conveying technical content

• Knowledge of GD&T, materials selection, and manufacturing processes

• Demonstrated ability to lead design teams and drive technical decisions

Preferred Qualifications:

• Experience with Team Center (CPLM) and the Product Definition Package (PDP) release process

• Experience with the ASME Y14.X suite of engineering drawing s

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Company

Northrop Grumman

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