Senior Thermal Engineer

Marmon Holdings, Inc. • Moscow, TN

2d

About The Position

As the Senior Thermal Engineer, you will play a critical role in advancing Coilmaster’s heat exchanger technology and the engineering tools that support our products. This position sits at the intersection of thermal engineering, product development, and software-enabled modeling. You will lead the development and validation of thermal models, support new product innovation, and enhance proprietary engineering applications used for equipment selection and performance prediction.

Requirements

• Bachelor’s degree in Mechanical Engineering or related field required
• 7+ years of experience in heat transfer, HVAC, refrigeration, or thermal systems design
• Strong expertise in heat transfer, thermodynamics, and fluid mechanics
• Direct experience with heat exchanger design and performance modeling
• Ability to build engineering models using first principles and empirical correlations
• Proven programming experience using Python, MATLAB, or similar tools
• Experience validating models using laboratory or field performance data
• Understanding of fin-and-tube manufacturing processes including fin forming, tube expansion, brazing, and assembly
• Ability to evaluate tradeoffs between performance, cost, manufacturability, and reliability
• Experience with engineering software, selection tools, or simulation platforms
• Strong communication skills with the ability to work cross-functionally across engineering, software, and manufacturing teams
• High attention to detail, technical ownership, and problem-solving capability

Nice To Haves

• Master’s degree or PhD preferred
• Exposure to C#/.NET or similar environments preferred

Responsibilities

• Lead thermal design and performance analysis of fin-and-tube heat exchangers for HVAC and refrigeration applications
• Develop, implement, and maintain physics-based thermal performance models used in engineering software
• Translate laboratory and field test data into validated computational models for production use
• Own the accuracy and consistency of engineering calculations across selection and simulation tools
• Partner with software teams to integrate, test, and maintain engineering models within applications
• Investigate and resolve gaps between predicted and measured performance through root cause analysis and model refinement
• Drive continuous improvement in modeling methods, validation standards, and engineering processes
• Support new product development through model-based evaluation from concept through production
• Collaborate with manufacturing teams to ensure designs are practical, scalable, and cost-effective
• Contribute to value engineering and product optimization initiatives balancing performance, manufacturability, and cost

Benefits

• Competitive compensation package
• Medical, dental, vision, and prescription coverage
• 401(k) with company matching
• Paid time off and company holidays
• Career growth within a global organization backed by Berkshire Hathaway
• Collaborative environment where technical expertise drives business success

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 5,001-10,000 employees