Sentinel - Principal/Sr Principal Mechanical Engineer (17102)
Northrop Grumman
Listing collected from Northrop Grumman's career site. NextChapter is independent of Northrop Grumman.
Roy, UT · Posted September 29, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at Northrop Grumman
More in Utah job market · Aerospace & Defense · Engineering jobs
More roles at Northrop Grumman
- Principal Program Cost Schedule Control Analyst · McLean, VA
- Classified Cybersecurity Analyst · Baltimore, MD
- Embedded DevOps Engineer Level 4 (AHT) · Los Angeles, CA
- Manufacturing/Process Engineer 2/3 · Baltimore, MD
- Manufacturing Operations Director · Salt Lake City, UT
- Program Manager 2- 18985 · Roy, UT
Similar jobs
- Senior AC Mitigation Engineer · Stantec · Salt Lake City, UT
- Product Engineer, Bookface · Y Combinator · CA
- Senior Mechanical Engineer (Power Generation / Gas-to-Power) · Candid Intelligence · San Francisco, CA
- Mechanical Engineer II · Scientific Research · St Inigoes, MD
- Senior AC Mitigation Engineer · Stantec · Austin, TX
- Industrial Mechanical Engineer · Aecom · Charlotte, NC
Engineering jobs in the rankings
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: Yes
CLEARANCE TYPE: Secret
TRAVEL: Yes, 10% 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.
Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.
Northrop Grumman Defense Systems is seeking a Principal or Sr. Principal Mechanical Engineer to join our team. This position will be located at Roy, UT to support the U.S. Air Force Sentinel (GBSD) program in the Strategic Deterrent Systems (SDS) Division. Northrop Grumman supports the Air Force’s sustainment, development, production and deployment of hardware and system modifications for Intercontinental Ballistic Missile (ICBM) Ground and Airborne Launch Control Systems, Launch Facilities and associated infrastructure. The applicant will be responsible for the design, development, production, and deployment of launch-equipment hardware and systems for each weapons system facility. Working in a dynamic, people-focused environment, the engineer will collaborate closely with users, customers, and fellow engineers to deliver high performance mechanical solutions for the Sentinel program. This position may be filled at a higher level based on qualifications below.
Roles and 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
Basic Qualifications
This position can be filled as a Principal (level 3) or a Sr. Principal (level 4)
Requires a Bachelor’s degree in Mechanical Engineering or related STEM field with 5 years of relevant experience; ( Sr. Principal level 4 requires Bachelor’s degree and 8 years of experience; or 6 years with a Master’s degree)
Requires U.S. citizenship with an active U.S. Government Secret Security Clearance
Requires the 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
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 common engineering standards (ISO, ASME, Mil Spec, NAS, etc.)
Requires experience with GD&T, materials selection, and manufacturing processes
Preferred Qualifications:
Experience with Team Center (CPLM) and the Product Definition Package (PDP) release process
Experience with the ASME Y14.X suite of engineering drawing standards
Experience with requirements management and model-based systems engineering (MBSE) principles
Experience with ICBMs or launch equipment systems
Experience performing dynamic and static analysis (NX Motion or ANSYS preferred)
Proficiency in DOORS, CAMEO, Jira and Confluence
Experience in managing or leading an interdisciplinary engineering team from concept creation through test and verification
Experience as a Control Account Management (CAM)
Demonstrated ability to lead design teams and drive technical decisions
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
Position Benefits
As a full-time employee of Northrop Grumman Defense 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 position’s standard work schedule is 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.
#SentinelMechanical
Primary Level Salary Range: $89,400.00 - $134,200.00
Secondary Level Salary Range: $111,700.00 - $167,500.00
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.