Principal Mechanical Engineer - Defense (Secret)

Northrop Grumman; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Northrop Grumman is seeking a Principal Sr. Principal Mechanical Engineer to join our Sentinel program team in the SDS Division.

The role is based in Roy, UT, requiring a Secret clearance and ongoing collaboration with customers and engineers to deliver high-performance mechanical solutions. The successful candidate will lead mechanical design, CAD modeling, and MBSE-driven development for flight and ground systems, while mentoring junior engineers and coordinating with IPT leads.

Qualifications

• Requires a Bachelor's degree in Mechanical Engineering with 5+ years of relevant experience.
• Senior Principal level may require a Master's degree with 6+ years of experience or a Master's with 6 years total.
• U.S. Citizenship with an Active Secret Security Clearance or higher.
• Ability to obtain and maintain SAP approval within a reasonable period of time.

Responsibilities

• Serve as a mechanical designer for complex systems on a major defense program.
• Research, design, and develop mechanical/aerospace products for aircraft, missiles, and launch systems.
• Create CAD models and 3D drawings using Siemens NX and Teamcenter.
• Verify designs through modeling, testing data, and performance analysis.
• Support all lifecycle phases from design to deployment and maintenance.
• Perform component sizing analyses for stress and vibration of aerospace structures.
• Prepare design documents and interface with customers and stakeholders.
• Present design status at milestones and reviews.
• Mentor junior engineers in mechanical design.

Skills

Mechanical design

MBSE knowledge

GD&T knowledge

Systems engineering

Education

Bachelor's degree in Mechanical Engineering

Master's degree in Mechanical Engineering

Tools

Siemens NX

Teamcenter

Job description

Northrop Grumman is seeking a Principal Sr. Principal Mechanical Engineer to join our Sentinel program team in the SDS Division.

The role is based in Roy, UT, requiring a Secret clearance and ongoing collaboration with customers and engineers to deliver high-performance mechanical solutions. The successful candidate will lead mechanical design, CAD modeling, and MBSE-driven development for flight and ground systems, while mentoring junior engineers and coordinating with IPT leads.