Thermal Systems Engineer – HVAC and Heat Transfer

Job Title: Thermal Systems Engineer – HVAC & Heat Transfer 

Summary:

The Mid-Level Thermal Systems Engineer is responsible for independently performing thermal analysis, simulation, and design optimization of HVAC components and systems. This role focuses on improving energy efficiency, thermal comfort, and reliability through advanced heat transfer modeling and experimental validation. The engineer collaborates closely with R&D, product design, and testing teams to support product development and continuous improvement initiatives.

Key Responsibilities:

Thermal Modeling & Simulation

• Lead thermal simulations of HVAC components such as heat exchangers, coils, piping, and ventilation systems using CFD and other analysis tools.

• Develop and validate thermal models for energy transfer, pressure drop, and fluid flow to optimize system performance.

• Perform transient and steady-state heat transfer calculations for new and existing products.

Product Development & Testing

• Design and coordinate thermal test plans, prototype evaluations, and laboratory experiments.

• Analyze test data to correlate simulation results with real-world performance and identify areas for improvement.

• Provide recommendations for thermal design changes to enhance efficiency, durability, and compliance.

Technical Documentation & Reporting

• Prepare detailed thermal design reports, calculations, and technical presentations for internal and external stakeholders.

• Update and maintain design standards, simulation protocols, and best practices documentation.

• Support patent filings and technical disclosures related to thermal innovations.

Cross-Functional Collaboration

• Work closely with mechanical engineers, controls specialists, and manufacturing teams to integrate thermal design solutions across product lifecycles.

• Participate in design reviews, project planning, and risk assessments.

• Mentor junior thermal engineers and provide technical guidance.

Key Focus Areas:

• Advanced thermal analysis and heat transfer optimization

• Simulation validation and prototype testing coordination

• Documentation and knowledge sharing

• Cross-functional teamwork and technical leadership

Qualifications:

Education:

• Bachelor’s or Master’s degree in Mechanical Engineering, Thermal Engineering, or related field (required)

Experience:

• 3–6 years of experience in thermal systems design, HVAC, or heat transfer engineering

• Hands-on experience with thermal simulations and experimental validation

Software & Tools:

• Proficient with CFD tools (ANSYS Fluent, COMSOL Multiphysics, STAR-CCM+)

• Experience with CAD software (SolidWorks, AutoCAD)

• Familiarity with data analysis tools (MATLAB, Python, Excel)

Skills & Competencies:

• Strong analytical and problem-solving skills in thermodynamics and heat transfer

• Ability to lead thermal projects and coordinate with multidisciplinary teams

• Effective communication skills for technical reporting and presentations

• Initiative to innovate and improve thermal design processes

• Mentoring ability for junior engineers