Principal Mechanical Design Engineer/Sr. Principal Mechanical Design Engineer

Northrop Grumman

. Work within the Northrop Grumman Design group and will be responsible for creating drawing/design packages with proper content and ensuring compliance with applicable industry and military standards .

Posted 4/4/2026full-timeRedondo Beach • California • 🇺🇸 United StatesSenior💰 $114,000 - $171,000 per yearWebsite

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Work within the Northrop Grumman Design group and will be responsible for creating drawing/design packages with proper content and ensuring compliance with applicable industry and military standards
Review designs for fit, function, manufacturability, economy of fabrication, and verifying completed work, checking dimensions, materials, and quantities to be used
Review of tolerance analysis, hardware selection, and fitment on assembly prints
Resolve drawing-interpretation issues as they arise
Verify 3D models submitted to manufacturing using Siemens NX 1946, managed with Teamcenter
Serve as a liaison among various engineering disciplines, including Manufacturing and Quality
Model fully defined components and assemblies efficiently in Siemens NX 1946 (Teamcenter), and produce/revise parametric drawings in conformance with ASME modeling and drawing standards
Utilize Microsoft Word, Excel, Windows, and NX 1946 as required
Communicate effectively, both verbally and in writing
Perform work quickly and accurately under schedule pressure while demonstrating patience
Exhibit strong time management and organizational skills

Requirements

What you’ll need

Bachelor's degree in a STEM (Science, Technology, Engineering, and Mathematics) discipline with 5+ years of related engineering design experience; OR a Master’s degree in STEM with 3+ years of related engineering design experience, OR a Ph.D. in STEM with 1+ years of related engineering design experience
Must currently have an active DoD Secret security clearance at time of application
Demonstrated experience in geometric dimensioning and tolerancing
Working knowledge of standard manufacturing processes including CNC Mill and Lathe operations
Proficiency in Siemens NX 1946 and Teamcenter

Benefits

Comp & perks

Health insurance coverage
Life and disability insurance
Savings plan
Company paid holidays
Paid time off (PTO) for vacation and/or personal business

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

engineering designgeometric dimensioning and tolerancingtolerance analysishardware selection3D modelingparametric drawingmanufacturabilityeconomy of fabricationCNC Mill operationsCNC Lathe operations

Soft Skills

communicationtime managementorganizational skillspatienceability to work under pressure

Certifications

Bachelor's degree in STEMMaster's degree in STEMPh.D. in STEMDoD Secret security clearance