Sr. Principal Propulsion Engineer - 4

Northrop Grumman

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Corinne, Utah

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PERMANENT

Updated 09/22/2026

Job Description

Job Summary

RELOCATION ASSISTANCE

Relocation assistance may be available

CLEARANCE REQUIRED FOR START

NoCLEARANCE TYPE:

NoneTRAVEL:

Yes, 10 of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact peoples 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 nations 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, theyre making history.

Expand your horizons, advance your career, and contribute to a secure future for generations. Northrop Grumman's Space Sector invites you to bring your pioneering spirit to our collaborative teams. As a Sr. Principal Propulsion Engineer located in Promontory, UT, you'll be a linchpin in missions of paramount importance, defining the art of the possible from day one.

Propulsion Systems is seeking a Sr. Principal Propulsion Engineer to be a Rocket Motor Assembly Engineering Product Owner (EPO) that will provide expertise and leadership for our Rocket Motor Assembly Design and Analysis team in our Promontory UT office. This position will lead a technical team of analysts and design engineers responsible for drawing and model preparation, on-floor manufacturing support and MRB resolution, test support including authoring and reviewing plans and reports, and coordination with internal and external customers on primarily Promontory‑based solid rocket motor programs.

This role will require strong understanding of the Rocket Motor Assembly design and analysis process as well as strong communication skills to coordinate work with program leadership, and personally contribute to the Rocket Motor Assembly engineering discipline.

This position will work a 9/80 schedule, with every other Friday off.

Job responsibilities include, but are not limited to, the following:

Perform the required duties as the Engineering Product Owner (EPO) for the Rocket Motor Assembly design element, specifically for the Sentinel program.

Support the demands from the Rocket Motor Assembly

IPT/VSET

as the design authority and technical owner of the Rocket Motor Assembly discipline

Integrate with development teams (including specialists in Manufacturing, Quality, Safety, Thermal, Structural, Materials, and Test) to certify design solutions that meet all requirements (technical, cost, schedule)

Lead a team of engineers to support the project needs and demands from the Rocket Motor Assembly design team

Create engineering drawings, CAD models, revisions, test plans, reports and specifications that support the Rocket Motor Assembly design elements

Provide Rocket Motor Assembly MRB support; including final dispositions, root cause identification, corrective action, process improvement, risk assessments

Develop and present documentation for project related meetings to internal and external customers; including critical design reviews, MRB closure, and risk posture, etc.

Perform problem solving/anomaly resolution including on-floor production support

Ensure work products meet safety, performance, and quality requirements

Other duties as assigned

Why you? You're the candidate we're searching for if you are ready to achieve the impossible alongside like-minded innovators.

Basic Qualifications:

Bachelor's degree in Mechanical or Aerospace Engineering with 8 years of professional experience - OR - Master's degree in Mechanical or Aerospace Engineering with 6 years of professional experience.

Must have the ability to obtain and maintain a U.S. Government DoD Secret security clearance

Engineering analysis experience (preferably structural and/or ballistic)

Design engineering experience with solid rocket motors, preferably with Rocket Motor Assembly products

Demonstrated experience setting priorities and managing competing demands across multiple programs or projects

Strong communication skills for both formal and informal settings

Preferred Qualifications:

Experience creating and revising engineering drawings, specifications, plans, reports

MRB (Material Review Board) support and closure

Analysis experience in structural PLI and/or ballistics

Working understanding of materials used in liner, barrier, and propellant systems at NG Propulsion Systems

Prior experience in technical lead, team lead, or project lead role in a propulsion or similar high consequence environment.

Rocket Motor Assembly product design and production support

Ability to clearly present technical information in written reports and formal presentations

Previous experience at Northrop Grumman

Curious about all the exciting developments with the Northrop Grumman Space Sector?

Click the link below:

https://www.northropgrumman.com/space

Working at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site.

Primary Level Salary Range:

$122,800.00 - $184,200.00The 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 candidates 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.

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