Principal/Sr. Principal Mechanical Engineer

Northrop Grumman

Mechanical Engineer supporting the Sentinel Program’s hardware design and integration teams. Collaborating with multi-disciplinary engineers to meet design requirements and produce integrated assemblies.

Posted 6/18/2026full-timeRoy • California, Utah • 🇺🇸 United StatesSenior💰 $89,400 - $155,400 per yearWebsite

About the role

Key responsibilities & impact

This position will support the Sentinel Program's Command Systems Hardware Design Integration team.
This position will join a team of Mechanical, Electrical and Hardware Integration engineers to design hardware systems and components.
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.

Requirements

What you’ll need

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.
Experience deriving hardware-level requirements from interface, compliance, and performance requirements (Nice to Have)
Experience designing and generating control drawings and assemblies of systems using commercially-sourced hardware components (Nice to Have)
Experience developing hardware design materials in support of program design reviews for review with team technical leads and program stakeholders (Nice to Have)
Experience conducting design reviews as the design author and briefing solution designs to program leadership and stakeholders for release into product baseline (Nice to Have)
Understanding of structural analysis concerns as applied to designing mechanical systems (Nice to Have)
Teamcenter CPLM experience (Nice to Have)
Experience using the electrical workbench within NX or similar CAD software for cable routing purposes (Nice to Have)

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

CAD modelinghardware design3-dimensional modelingcontrol drawingsstructural analysisrequirements derivationtechnical supportdesign artifactsintegrated assembliescompliance documentation

Soft Skills

team collaborationproblem-solvingcommunicationindependencetechnical briefing

Certifications

U.S. Government DoD Secret security clearanceSpecial Access Program (SAP) approval