Sentinel Principal/Sr Principal Mechanical Engineer -17694*

Company: Northrop Grumman
Location: Roy
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: No 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. Northrop Grumman’s Defense Systems sector is seeking a Principal Mechanical Engineer/Sr. Principal Mechanical Engineer to join a multi-functional team of Electrical, Mechanical, and Systems Engineers in Roy, UT. This position is in our Strategic Deterrent Systems Division to execute the Engineering and Manufacturing Development phase of the Sentinel Program. The primary objective of this role is to collaborate across Systems Engineering, System Test, Global Supply Chain, suppliers, and other Integrated Product Teams (IPTs) to develop and review Environmental Control System hardware requirements, specifications, designs, trade studies, and analyses for the purpose of supporting incremental system maturity milestones and hardware deliveries. The successful candidate will be comfortable with working in a dynamic people-focused environment and collaborating across multiple internal and external stakeholders in order to achieve organizational goals. What You Will Get to Do: - Collaborate with stakeholders to decompose technical requirements, develop complete and verifiable requirements, and conduct trade studies - Generate and update specifications as part of a Systems Engineering framework for the purpose of releasing to suppliers and supporting the procurement process - Develop design and analysis artifacts to support design reviews, customer deliverables, and hardware procurement workflows - Perform heating and cooling calculations to size HVAC equipment - Select appropriate HVAC equipment to meet size and system requirements - Review and provide comments to supplier-submitted drawings and contractual deliveries 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 position can be filled as a Principal (level 3) or Sr Principal (level 4) depending on experience and qualifications. Basic Qualifications : Principal Mechanical Engineer (level 3): 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 Sr. Principal Mechanical Engineer (level 4): Bachelor’s degree in Mechanical Engineering or related STEM field and 8 years of relevant experience; 6 years of relevant experience with a Master’s degree U.S. Citizen Must have the ability to obtain and maintain a U.S. Government DoD Secret security clearance Must be able to obtain and maintain Special Access Programs (SAP) clearance Proficiency with Microsoft Office tools - PowerPoint, Excel, Word Ability to understand and interpret requirements Must be able to work independently, function in a dynamic environment, and be flexible to changing direction Preferred Qualifications: Master’s degree in Mechanical Engineering Experience with Environmental Control Systems (ECS) and Heating, Ventilation, and Air conditioning (HVAC) system design and verification Experience with producing construction drawing packages Experience with Revit Experience with Carrier HAP, NX, and Product Lifecycle Management (PLM) software Familiarity with Systems Engineering and Model Based Systems Engineering (MBSE) processes Professional Engineer (PE) license Experience with estimation, bidding, proposals, or RFPs Experience managing a subcontractor 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.

Keywords: Northrop Grumman, Riverton , Sentinel Principal/Sr Principal Mechanical Engineer -17694*, Engineering , Roy, Utah