Sentinel - Principal/Sr Principal Mechanical Engineer ECS -17711
Quick Summary
- Collaborate with stakeholders to decompose technical requirements, develop complete and verifiable requirements,
- Collaborate with stakeholders to decompose technical requirements, develop complete and verifiable requ
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.
Responsibilities
~1 min read- 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.
Requirements
~2 min read- 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
Location & Eligibility
Listing Details
- Posted
- September 16, 2026
- First seen
- October 5, 2026
- Last seen
- October 9, 2026
Posting Health
- Days active
- 8
- Repost count
- 0
- Trust Level
- 14%
- Scored at
- October 14, 2026
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