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Thermal Management Engineer

Sterling Heights, Michigan - Posted on February 11, 2026
Published By Pat Pandya

Trillium Professional has a long term opportunity in Sterling Heights, MI for a Thermal Management Engineer. 

Must have Thermal Engineering Experience

A Thermal Management Senior Engineer will lead the design, development and release of subsystem componentry related to heating, cooling, and ventilation systems.

Primary assignments may include:
-Mechanical & Thermal design engineering of power pack (engine/transmission), electronics, and crew cabin HVAC systems to meet customer requirements and specifications
-Derive vehicle-level performance requirements and develop and release engineering design specifications
-Perform 1-D fluid flow analyses to size and optimize distribution systems
-Develop alternative concepts and support or perform trade study analyses
-Design, select and integrate HVAC components and subsystems
-Prepare CAD studies and/or work with design unit to develop objective models/drawings
-Track weight, cost, thermal, and power allocations
-Develop and maintain Technical Data Packages (TDPs); release drawings to the Engineering Release Plan (ERP)
-Prepare Statement of Work (SOW), Critical Item Development Specification (CIDS), Interface Control Document (ICD) and Source Selection Plan (SSP) for a Request for Proposal (RFP) to industry suppliers, or for other purposes as required. Perform source selection evaluation of supplier proposals.
-Manage supplier design development progress, technical action item list, and transfer of engineering communication; interface with suppliers virtually and onsite; evaluate supplier cost quotes
-Provide technical oversight and direction to suppliers during design development and validation to ensure performance, test, and/or design requirements are being met.
-Prepare comprehensive technical reports and proposals; prepare for and present at formal Design Reviews
-Conduct engineering evaluations in a laboratory environment
-Investigate, respond, and implement corrective action to Production, supplier or field issues
-Support prototype builds, create test plans, execute tests and create test reports to validate designs, mitigate risks and/or troubleshoot problems
-Work with other engineering disciplines to exchange technical information and give direction to designers and prototype shop personnel
-Plan, organize, and maintain records of progression to ensure successful completion of projects on schedule and within budget
-Develop plans and estimates for future projects (ROMs, BOEs, project plans, informal estimates) in response to customer and contractual requirements.
-Performs other duties as assigned.

Pay rate is $78/hour. Apply now!

Candidate Requirements:
-Bachelor’s degree in Mechanical Engineering.
-15 + years in a related role is desired.
-Demonstrated understanding of mechanical and thermal engineering principles.
-Proficient with 1-D modeling of fluid systems.
-Heat exchanger sizing/optimizing
-Experience supporting prototype and/or production build activities.
-Experience with Teamcenter and Vis Mockup 
-Ability to travel up to 20% to other facilities


Trillium has been recruiting and placing clerical and office professionals for over 30 years. From Fortune 100 companies to small businesses, our philosophy remains the same: to achieve excellence by providing quality employees with an uncompromising level of service. We believe in honesty, integrity, and a simple philosophy of providing value to our customers and our employees. We strive to be unsurpassed in the recruitment and placement of professionals. Trillium is an Equal Opportunity Employer.

By applying to this job, I agree to receive electronic communications including SMS text and email regarding future opportunities, referral bonus incentives, and other promotions from Trillium. You may opt out at any time from future communications by responding STOP to any electronic communication. You may view our full privacy policy at https://trilliumstaffing.com/jobs/privacy/.

Trillium offers a comprehensive benefit package that includes the ability to participate in health insurance and retirement plans, paid holidays, state required leave, and other leave, if applicable. Trillium’s offerings are dependent on the state in which the assignment is located, length of time worked, and may change depending on assignment. Benefit packages for direct hire placements vary based on the client company.

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