Senior Principal Mechanical Engineer - Secret Clearance

Northrop Grumman Corp.; Roy (UT); On-site; USD 89,000 - 168,000; Full time

Benefits offered by this job

Medical, Dental & Vision coverage

401k

Educational Assistance

Life Insurance

Employee Assistance Programs & Work/Li

Paid Time Off

Health & Wellness Resources

Employee Discounts

Job summary

Northrop Grumman Defense Systems in Roy, UT seeks a Principal or Sr. Principal Mechanical Engineer to design and develop mechanical systems for the Sentinel program.

The role emphasizes CAD modeling in Siemens NX, Team Center integration, and collaboration with customers and IPT leads. You will mentor junior engineers, support the full lifecycle from design to deployment, and work within a dynamic team focused on high-performance aerospace hardware.

Qualifications

• Requires a Bachelor’s degree in Mechanical Engineering or related STEM field with 5 years of relevant experience.
• Requires U.S. citizenship with an active U.S. Government Secret Security Clearance.
• Requires the ability to obtain and maintain SAP approval within a reasonable period of time.
• Requires 5 years of experience with CAD modeling (Siemens NX preferred).
• Requires 5 years of experience in mechanical engineering that includes a background in mechanical systems (mechanisms preferred).
• Requires experience with ISO, ASME, Mil Spec, NAS, etc.
• Requires experience with GD&T, materials selection, and manufacturing processes.

Responsibilities

• Primary role is to serve as a mechanical designer for mechanical systems (mechanisms) design on a major Northrop Grumman Defense Systems program.
• Research, plan, design, and develop mechanical/aerospace products for aircraft, spacecraft, launch vehicles, missiles, ground vehicles and associated ground and test equipment.
• Develop CAD models and 3D model based drawings using Siemens NX and Team Center.
• Verify specifications and designs through modeling and simulation, test data processing, and performance analysis.
• Support all phases of the systems lifecycle including design, drawings, fabrication, test, installation, operation and maintenance.
• Design of components/systems, and preliminary/sizing analysis for both stress and dynamic analysis of aerospace structures.
• Preparation and presentation of reports, briefings, design documents (drawings and specifications) and interface with customers.
• Attend internal program meetings, customer technical exchanges, and supplier briefings; present design status during formal milestone reviews
• Assisting IPT lead in managing team schedule and mentoring junior engineers in mechanical design

Skills

leadership

mentoring

communication

independence

Education

Bachelor’s degree in Mechanical Engineering or related STEM field

Tools

Siemens NX

Team Center

NX Motion

ANSYS

DOORS

CAMEO

Jira

Confluence

Job description

Northrop Grumman Defense Systems in Roy, UT seeks a Principal or Sr. Principal Mechanical Engineer to design and develop mechanical systems for the Sentinel program.

The role emphasizes CAD modeling in Siemens NX, Team Center integration, and collaboration with customers and IPT leads. You will mentor junior engineers, support the full lifecycle from design to deployment, and work within a dynamic team focused on high-performance aerospace hardware.