Remote R&D Engineer, Thermal Cooling Systems

Li Thermal Works; United States; Remote; USD 90,000 - 130,000; Full time

Job summary

ThermalWorks seeks an experienced R&D Engineer to design, prototype, test, and validate new cooling products—from concept through handoff to manufacturing. You’ll work hands-on with refrigeration circuits, hydronics, and controls, turning test data into design decisions.

Qualified candidates have a bachelor's in mechanical engineering and 5+ years in refrigeration/HVAC, with strong lab testing skills and familiarity with heat transfer and hydronic design.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 5+ years of engineering experience in refrigeration, HVAC, or cooling product development.
• Hands-on experience with prototype builds and lab testing of thermal systems.
• Strong grasp of refrigeration cycles, heat transfer, and hydronic system design.
• Ability to analyze test data and translate results into design decisions.

Responsibilities

• Design and develop new cooling products and improvements to existing platforms — chillers, CDUs, and supporting systems
• Plan and execute validation and performance testing; analyze results and drive design changes from the data
• Build and iterate prototypes, working hands-on in the lab and test environment
• Perform thermal, refrigeration, and hydronic system calculations and component selection
• Support the transition of new designs from R&D to manufacturing, resolving design-for-manufacturability issues
• Document designs, test procedures, and results to engineering standards
• Incorporate field and application feedback into product improvements

Skills

Prototyping

Data analysis

Thermal systems

HVAC

Refrigeration cycles

Education

Bachelor's degree in Mechanical Engineering or related field

Job description

ThermalWorks seeks an experienced R&D Engineer to design, prototype, test, and validate new cooling products—from concept through handoff to manufacturing. You’ll work hands-on with refrigeration circuits, hydronics, and controls, turning test data into design decisions.

Qualified candidates have a bachelor's in mechanical engineering and 5+ years in refrigeration/HVAC, with strong lab testing skills and familiarity with heat transfer and hydronic design.