Northrop Grumman’s Defense Systems sector is looking for a Principal / Sr. Principal Mechanical Engineer located in Roy, UT. The position may be filled at either level depending on applicant experience relevant to the role.
What You'll Get to Do:As a Mechanical Design Engineer supporting the SDS Support Equipment team, you will be responsible for coordinating with suppliers, reviewing designs, and integrating with other NG integrated product teams to ensure adherence to, and implementation of requirements. You will actively participate in design reviews, research, plan, design and develop mechanical products and solutions. Strong interpersonal skills and attention to detail are critical to being successful in this position.
The 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.
You Will Bring These Qualifications:- - Principal Mechanical Engineer: Bachelor’s degree in a STEM field (Science, Technology, Engineering, Mathematics) and with 5 years of experience; or Master's degree with 3 years of experience; PhD with 1 years of experience
- - Sr Principal Mechanical Engineer: Bachelor’s degree in a STEM field (Science, Technology, Engineering, Mathematics) and with 8 years or experience; or Master's degree with 6 years of experience; PhD with 4 years of experience
Both Levels require the following qualifications:
Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years
Ability to obtain Special Program Access (SAP)
Experience performing CAD modeling with design tools such as Siemens NX or similar
Must be proficient with Microsoft Office Suite of tools - Project, PowerPoint, Excel, Word
Experience performing mechanical design efforts on MILCON, major infrastructure/building projects, or Aerospace and Defense programs.
Ability to understand and interpret requirements
Must be able to work independently, function in a dynamic environment, and be flexible to changing direction
Excellent interpersonal, written communication, and presentation skills, including the ability to clearly and succinctly communicate complex concepts
Exposure to missiles program requirements & with propulsion
Proficient with 3D design/2D drawing CAD in NX
Proficient with PDM and/or CPLM
Proficient with GD&T and ASME Y14.5-2009
Skills Required
- Bachelor’s degree in a STEM field with 5 years of experience for Principal level
- Master’s degree with 3 years of experience or PhD with 1 year of experience for Principal level
- Bachelor’s degree in a STEM field with 8 years of experience for Sr Principal level
- Master’s degree with 6 years of experience or PhD with 4 years of experience for Sr Principal level
- U.S. citizenship
- Active DoD Secret clearance with an investigation date within the last 6 years
- Ability to obtain Special Program Access
- Experience with CAD modeling tools such as Siemens NX or similar
- Proficiency with Microsoft Office tools, including Project, PowerPoint, Excel, and Word
- Experience performing mechanical design on MILCON, major infrastructure or building projects, or aerospace and defense programs
- Ability to understand and interpret requirements
- Ability to work independently in a dynamic environment and adapt to changing direction
- Excellent interpersonal, written communication, and presentation skills
- Exposure to missile program requirements and propulsion
- Proficiency with 3D design and 2D drawing CAD in NX
- Proficiency with PDM and/or CPLM
- Proficiency with GD&T and ASME Y14.5-2009
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.









