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Sentinel - Sr Principal Mechanical Engineer

Job in Roy, Weber County, Utah, 84067, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2026-08-31
Job specializations:
  • Engineering
    Systems Engineer
Job Description & How to Apply Below
Position: Sentinel - Sr Principal Mechanical Engineer (19687)

Sr. Principal Mechanical Engineer

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.

Northrop Grumman's Defense Systems sector is seeking a Sr. Principal Mechanical Engineer on the Command and Launch Infrastructure Integration team. This position is in our Strategic Deterrent Systems Division to execute the Engineering and Manufacturing Development phase of the Sentinel Ground Based Strategic Deterrent (GBSD) program. This position will be located on campus in Roy, UT and may require on-site support at product manufacturing and integration sites.

The qualified candidate will work within an Integrated Product Team (IPT) environment, interfacing with IPT leadership, suppliers, customers, and other technical disciplines to engineer design solutions to challenging problems through the development of Product Definition Packages (PDP).

Roles and Responsibilities

  • Create and implement deployable mechanical mechanisms that are verified through test/analysis
  • Develop CAD models visualizing various design solutions
  • Implement program processes and engineering board approval processes for developed PDPs
  • Deliver required PDPs on time to meet program objectives
  • Integrate Infrastructure Integration PDPs with the various element teams to proactively eliminate disconnects and design clashes
  • Identify gaps within a design and/or requirements and provide a resolution that is cost effective, innovative, and has minimal impact to others
  • Ensure the developed PDPs meet the design requirements from the various element/configured item specifications
  • Support digital transformation initiatives relating to PDP development and release

Basic Qualifications

  • Requires U.S. citizenship with an active U.S. Government Secret Security Clearance or higher adjudicated within the past 6 years
  • Must have the 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 needs
  • Requires a Bachelors in Science, Technology, Engineering, or Mathematics (STEM) and 8 years of related experience; a Masters degree with 6 years; or a PhD with 4 years
  • Requires experience with system integration and test principles
  • Requires experience with development and qualification testing, including test planning, execution, and reporting phases of test
  • Requires experience preparing and presenting technical status to leadership and customers

Preferred Qualifications

  • ICBM Experience
  • Experience in creating a Product Definition Package (PDP) or PDP like products
  • Experience with the ASME Y14.X suite of engineering drawing standards
  • Ability to work closely with multiple functional organizations (Engineering, Manufacturing, Purchasing, Field Operations, etc.)
  • Experience with Teamcenter or Teamcenter CPLM Product Lifecycle Management Tool
  • Experience with Siemens NX
  • Experience leading a multidisciplinary team

Position Benefits

  • Medical, Dental & Vision coverage
  • 401k
  • Educational Assistance
  • Life Insurance
  • Employee Assistance Programs & Work/Life Solutions
  • Paid Time Off
  • Health & Wellness Resources
  • Employee Discounts

This position's standard work schedule is 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off. This role may offer a competitive relocation assistance package.

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