Senior Principal Mechanical Design Engineer

Northrop Grumman

Sr. Principal Mechanical Design Engineer at Northrop Grumman developing 3D CAD models and integrating mechanical designs in a lab environment for aerospace applications.

Posted 6/4/2026full-timeOklahoma City • Oklahoma • 🇺🇸 United StatesSenior💰 $105,800 - $158,600 per yearWebsite

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Development of 3D CAD models, detail part, assembly and integration drawings
Coordination and liaison of mechanical engineering designs through the procurement and manufacturing process
Coordination and liaison of electrical design integration and assembly
Lead and coordinate integration of hardware in a laboratory environment
Development of documentation in support of designs and product lifecycle management
Support troubleshooting and system verification in a lab setting
Thrive in a fast-paced work environment with high expectations, collaborative/team settings across all levels.

Requirements

What you’ll need

Must have a Bachelor’s Degree in a STEM (Science, Technology, Engineering, or Math) discipline and 8 years of related professional/military experience; OR a Master’s Degree in a STEM discipline and 6 years of related professional/military experience; OR a Ph.D. in a STEM discipline and 4 years of related professional/military experience.
Must have an active DoD Secret or higher clearance, with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation.
Must have the ability to obtain and maintain Special Access Program (SAP) clearance, within a reasonable amount of time as determined by the company to meet its business need.
Must have experience developing mechanical designs using tools such as CATIA V5, SolidWorks, NX, AutoCAD, or similar design software tools.

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
Flexible work arrangements
9/80 work schedule with every other Friday off
Phenomenal learning opportunities
Exposure to a wide variety of projects and customers

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

3D CAD modelingmechanical designelectrical design integrationsystem verificationtroubleshootingproduct lifecycle managementhardware integration

Soft Skills

collaborationteamworkadaptabilitycommunication

Certifications

Bachelor’s Degree in STEMMaster’s Degree in STEMPh.D. in STEMDoD Secret clearanceSpecial Access Program (SAP) clearance