Posted:
8/20/2025, 1:53:44 AM
Location(s):
Roy, Utah, United States ⋅ Utah, United States
Experience Level(s):
Expert or higher ⋅ Senior
Field(s):
Mechanical Engineering
Northrop Grumman Defense Systems is seeking a Principal / Sr. Principal Mechanical Engineer. This position is located in Roy, UT and supports the Sentinel program.
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
As a full-time employee of Northrop Grumman, you are eligible for our robust benefits package including:
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.
This position may be filled at either a Principal or Sr. Principal level - determined by overall qualifications and years of relevant work experience:
Principal Mechanical Engineer: Bachelor’s degree in a STEM field (Science, Technology, Engineering, Mathematics) and with 5 years of experience; or Master's degree with 3 years of experience; PhD with 1 years of experience
Sr. Principal Mechanical Engineer: Bachelor’s degree in a STEM field (Science, Technology, Engineering, Mathematics) and with 8 years or experience; or Master's degree with 6 years of experience; PhD with 4 years of experience
Both levels require the following:
Must have US citizenship with the ability to obtain and maintain a U.S. Government DoD Secret security clearance
Must have the ability to obtain, and maintain access to Special Access Programs (SAP) as a condition of continued employment.
Must be proficient 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
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 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
Website: https://northropgrumman.com/
Headquarter Location: Falls Church, Virginia, United States
Employee Count: 10001+
Year Founded: 1994
IPO Status: Public
Last Funding Type: Grant
Industries: Data Integration ⋅ Manufacturing ⋅ Remote Sensing ⋅ Security ⋅ Software