Northrop Grumman Defense Systems is seeking a Principal Mechanical Engineer / Sr. Principal Mechanical Engineer to be located in Roy, UT. This position is contingent upon contract award.
What You'll Get to Do:
The selected candidate will join a team of Mechanical, Electrical and Hardware Integration engineers to design hardware systems and components, and support the Sentinel Program's Command Systems team.
- Apply ASME standard processes and procedures to identify, design, and procure electrical and mechanical hardware.
- Support design of integrated assemblies in accordance with decomposed requirements, compliance documents, and architecture diagrams in order to support the Sentinel critical design review campaign.
- Assist in trade studies, Analysis of Alternatives, and create design artifacts to include 3-dimensional models and product definition packages which will be documented and released using Siemens- based Product Lifecycle Management (PLM) and modeling (NX) tools.
- Operate in and capture inputs from a multi-disciplinary engineering environment consisting of Systems, Software, Design, Compliance, and Hardware engineers.
You Will Bring These Qualifications:
Principal Mechanical Engineer: 5 Years with Bachelors in Science; 3 Years with Masters; 1 Years with PhD
Sr. Principal Mechanical Engineer: 8 Years with Bachelors in Science; 6 Years with Masters; 4 Years with PhD
Both levels require the following:
- Must have an active U.S. Government DoD Secret security clearance at time of application, current and within scope.
- 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 need.
- Experience performing CAD modeling with design tools such as Siemens NX or similar
- Working knowledge of Microsoft (MS) Word, Excel, Power Point, and Engineering Scheduling tools and applications.
- Experience resolving issues and providing technical support
- Capable of working with minimal direction and in team environments.
These Qualifications Would Be Nice to Have:
- Experience deriving hardware-level requirements from interface, compliance, and performance requirements
- Experience designing and generating control drawings and assemblies of systems using commercially-sourced hardware components
- Experience developing hardware design materials in support of program design reviews for review with team technical leads and program stakeholders
- Experience conducting design reviews as the design author and briefing solution designs to program leadership and stakeholders for release into product baseline
- Understanding of structural analysis concerns as applied to designing mechanical systems
- TeamCenter CPLM experience
Skills Required
- Principal level: 5 years of experience with a bachelor’s degree, 3 years with a master’s degree, or 1 year with a PhD
- Senior Principal level: 8 years of experience with a bachelor’s degree, 6 years with a master’s degree, or 4 years with a PhD
- Active U.S. Government DoD Secret security clearance, current and within scope, at application
- Ability to obtain and maintain Special Access Program (SAP) approval
- Experience with CAD modeling using Siemens NX or similar design tools
- Working knowledge of Microsoft Word, Excel, PowerPoint, and engineering scheduling tools
- Experience resolving issues and providing technical support
- Ability to work with minimal direction and in team environments
- Experience deriving hardware-level requirements from interface, compliance, and performance requirements
- Experience designing and generating control drawings and system assemblies using commercially sourced hardware
- Experience developing hardware design materials for program design reviews
- Experience conducting design reviews and briefing solution designs to program leadership and stakeholders
- Understanding of structural analysis considerations for mechanical system design
- TeamCenter CPLM experience
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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Healthcare Strength — Health coverage offers multiple medical plan options by region alongside dental, vision, mental‑health resources, and wellness programs. Recent materials also highlight added family‑building support, including a dedicated fertility benefit.
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Retirement Support — The 401(k) savings plan is positioned as competitive with a company match, auto‑escalation features, and access to an employee stock fund/ESPP. Official filings and benefits guides emphasize retirement as a core element of the Total Rewards package.
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Leave & Time Off Breadth — Many sites offer a 9/80 schedule, generous PTO, paid holidays, and flexible/telework options where program needs allow. Paid parental and caregiver leave are prominently featured, with recent enhancements for the delivering parent.
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.





