Sentinel - Principal Mechanical Engineer

Principal Mechanical Engineer - Roy, UT

Relocation assistance may be available.

Clearance required:

Top Secret.

Travel required:

10% of the time.

• Demonstrate commitment to ethics and integrity, and the capability to innovate while challenging traditional ways of doing business.
• Operate in an advanced design environment and collaborate across suppliers as required to accomplish the team goals.
• Transition innovative solutions, technologies, and advanced concepts for U.S. strategic deterrence interests to programs of record for product development and fielding.
• Evaluate mechanical systems, products, components, and applications by reviewing designs.
• Ensure product quality by reviewing mechanical designs and validating that current standards are applied.
• Support the delivery of mechanical systems design Technical Data Packages, interface models, and additional design artifacts.
• Support structured trade studies to evaluate alternative design solutions to resolve technical issues.
• Develop and present design change requests, coordinating with impacted internal and external stakeholders, ensuring configuration control of the technical baseline.
• Identify risks and opportunities associated with or driven by design factors and execute mitigation actions to reduce risk or realize opportunities.
• Develop and mature mechanical system designs that meet Weapon System requirements, UFC, MIL‑STD, and other applicable codes and regulations.
• Write clear, testable requirements and verification plans for mechanical subsystems.
• Assess vendor‑provided technical data (drawings, specifications, test reports) for compliance with program requirements.
• Collaborate with mechanical, electrical, and software engineers to capture cross‑domain impacts and resolve conflicts.
• Participate in design, trade, and verification reviews; provide status updates to program leadership.
• Support configuration control and documentation in accordance with Northrop Grumman engineering standards.

• Bachelor’s degree in Mechanical Engineering or related STEM field and 5 years of relevant experience; or Master’s degree with 3 years of relevant experience; or 1 year with a Ph.D.
• U.S. citizen with an active and current Top Secret clearance at time of application.
• Ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time.
• 2+ years of experience with CAD modeling (Siemens NX preferred).
• 2+ years of experience in mechanical engineering that includes a background in mechanical systems (mechanisms preferred).
• Familiarity with common engineering standards (ISO, ASME, Mil Spec, NAS, etc.).
• Ability to operate independently with minimal supervision, function in a dynamic environment, and be flexible to changing direction.
• Proficient written and verbal communication skills when conveying technical content.

• Prior work on mechanical subsystems for nuclear surety or nuclear safety programs.
• Experience with Siemens Team Center PLM or similar systems.
• Experience with requirements management and model‑based systems engineering (MBSE) principles.
• Experience with system engineering processes and procedures.

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

Standard work schedule: 9/80 (Monday–Thursday nine hours, every other Friday off).

Salary Range: $89,400.00 – $

Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit  U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.