Sentinel - Principal / Sr Principal Mechanical Engineer (16934) Jobs
Listed on 2026-08-16
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Engineering
Mechanical Engineer, Systems Engineer, Aerospace / Aviation / Avionics, Engineering Design & Technologists
Principal or Sr. Principal Mechanical Engineer
At Northrop Grumman Defense Systems, 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.
Northrop Grumman Defense Systems is seeking a Principal or Sr. Principal Mechanical Engineer to join our team of qualified individuals. This position will be located at Roy, UT to support the Sentinel (GBSD) program in the Strategic Deterrent Systems (SDS) Division. Northrop Grumman supports the Air Force's sustainment, development, production and deployment of hardware and system modifications for Intercontinental Ballistic Missile (ICBM) Ground and Airborne Launch Control Systems, Launch Facilities and associated infrastructure.
The role 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. This position may be filled at a higher level based on qualifications below.
Primary responsibilities include:
- Serving as a mechanical designer for mechanical systems (mechanisms) design on a major Northrop Grumman Defense Systems program
- Researching, planning, designing, and developing mechanical/aerospace products for aircraft, spacecraft, launch vehicles, missiles, ground vehicles and associated ground and test equipment
- Developing CAD models and 3D model based drawings using Siemens NX and Team Center
- Verifying specifications and designs through modeling and simulation, test data processing, and performance analysis
- Supporting all phases of the systems lifecycle including design, drawings, fabrication, test, installation, operation and maintenance
- Designing components/systems, and performing preliminary/sizing analysis for both stress and dynamic analysis of aerospace structures
- Preparing and presenting reports, briefings, design documents (drawings and specifications) and interfacing with customers
- Attending internal program meetings, customer technical exchanges, and supplier briefings; presenting design status during formal milestone reviews
- Assisting IPT lead in managing team schedule and mentoring junior engineers in mechanical design
This position may be filled at a Principal Mechanical Engineer level or at a Sr. Principal Mechanical Engineer level.
- Principal Mechanical Engineer:
Bachelor's degree in a STEM field (Science, Technology, Engineering, Mathematics) with 5 years of relevant 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 relevant experience; 6 years' experience with a Master's degree - Must have an active U.S. Government Secret Security Clearance at time of…
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