Senior Thermal Engineer

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

Senior Thermal Engineer

Coilmaster | HPT

Who We Are

Coilmaster|HPT is an industry leader in advanced heat transfer solutions serving HVAC, refrigeration, and industrial markets. We are committed to engineering excellence, product innovation, and delivering high-performance solutions that help customers solve complex thermal challenges. Our team values collaboration, technical expertise, and continuous improvement.

What You’ll Do

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.

Key responsibilities include:

• 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

What You’ll Need

• Bachelor’s degree in Mechanical Engineering or related field required
• 7+ years of experience in heat transfer, HVAC, refrigeration, or thermal systems design
• Master’s degree or PhD preferred
• 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
• Exposure to C#/.NET or similar environments preferred
• 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

What You’ll Gain

• Opportunity to lead innovation in advanced thermal engineering and product development
• 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

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.

We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to careers@marmon.com, and please be sure to include the title and the location of the position for which you are applying.