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Sr Principal Mechanical Engineer - 20694

Northrop Grumman Systems

Listing collected from Northrop Grumman Systems's career site. NextChapter is independent of Northrop Grumman Systems.

Roy, UT · Posted November 4, 2026

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About the job

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 50% of the Time Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Defense Systems is seeking a Sr. Principal Mechanical Engineer. This position is located in Roy, UT with an alternat location of Vanderburg Space Force Base (VSFB), CA and will supporting the Sentinel program.

The selected candidate will fill the role of Liaison Engineer for NGDS SDS Sentinel Program.

What You’ll Get To Do:

Responsibilities include the following:

Liaison/MRB

Act as engineering authority for non-conformances

Perform timely dispositions for nonconforming parts, assemblies, and installations

Coordinate with a team of multiple disciplines/stakeholder groups to determine effective solutions to defects that are innovative, thorough, practical, and consistent with organization objectives

Working knowledge of subsystems (electrical, hydraulics, fuels, fluids and propulsion systems) installations, composite structures, & metallic structures

Maintain integrity of the Material Review Board (MRB) process and engineering authority

Manage/Lead complex issues through hands-on coordination with all departments and levels of leadership until completion

Knowledge of the tools (such as) SAP, NX, VisPro, TeamCenter, and MES

Weekend support may be required on occasion to support program efforts

This position will utilize your excellent communication, mentoring, interpersonal skills, and ability to interface with senior management, peers, and employees.

Basic Qualifications:

8 Years with Bachelors in Science; 6 Years with Masters; 4 Years with PhD

Must have an active U.S. Government DoD Secret security clearance at time of application, current and within scope, with an ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business need

Experience with MRB engineering process

Knowledge of the tools (such as) SAP, NX, VisPro, TeamCenter, and MES

Preferred Qualifications:

Previous MRB/LE Authority for Engineering

Legacy Northrop Grumman AS Liaison Engineering experience with tools and processes

Experience working hands-on in a production assembly line environment

Experience with Model Based Engineering (MBE ) (3-D model engineering definition)

Excellent written and verbal communication skills, leadership, and problem solving abilities

Northrop Grumman MRB EN signature

Industrial construction experience

Commercial/Government Construction experience

Civil Experience

Unified Facilities Guide Specifications (UFGS)

Field experience

QCM-C cert

NAVCOM

USACE - US Army Corp of Engineers

As a full-time employee of Northrop Grumman Space Systems, you are eligible for our robust benefits package including: - Medical, Dental & Vision coverage - 401k - Educational Assistance - Life Insurance - Employee Assistance Programs & Work/Life Solutions - Paid Time Off - Health & Wellness Resources - Employee Discounts This positions standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off. This role may offer a competitive relocation assistance package.

Primary Level Salary Range: $111,700.00 - $193,900.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.