Liquid-Cooled Thermal Engineer for Compact Robot Actuators

Dexmate Inc.; Fremont (CA); On-site; USD 110,000 - 170,000; Full time

Job summary

Dexmate Inc. is seeking a Thermal Engineer to develop cooling solutions for compact robot actuators, focusing on liquid cooling.

You will own thermal models, design cooling systems, and validate them on hardware, collaborating across motor, drive and mechanical teams to sustain performance under realistic duty cycles. The role requires hands-on experience with liquid-cooled systems, CFD tools, and thermal-network modeling, plus the ability to translate losses into thermal requirements and test

Qualifications

• Hands-on thermal design and test experience with liquid-cooled electromechanical or power-electronics systems.
• Strong fundamentals in heat transfer, fluid mechanics, pressure-drop analysis and thermal resistance networks.
• Ability to design practical cooling hardware and use thermocouples, flow and pressure measurements, or equivalent instrumentation to validate it.
• Experience with conjugate heat-transfer or CFD tools such as Ansys Fluent, Star-CCM+ or equivalent, plus thermal-network modeling and experimental correlation.

Responsibilities

• Translate motor and inverter losses and robot duty cycles into thermal requirements and operating limits.
• Develop conjugate heat-transfer and CFD models and correlate to instrumented hardware.
• Design cold plates, stator jackets and heat paths, and specify coolant flow and system heat-rejection needs.
• Route coolant through moving joints with mechanical engineers, considering motion, sealing and leakage risks.
• Plan and run thermal characterization across ambient conditions and transient duty cycles.
• Provide model inputs to drive engineers for derating behavior and support validation.

Skills

Thermal design

Liquid cooling

Heat transfer fundamentals

Instrumentation & measurement

Conjugate heat-transfer understanding

Tools

Ansys Fluent

Star-CCM+

Thermal-network modeling

Job description

Dexmate Inc. is seeking a Thermal Engineer to develop cooling solutions for compact robot actuators, focusing on liquid cooling.

You will own thermal models, design cooling systems, and validate them on hardware, collaborating across motor, drive and mechanical teams to sustain performance under realistic duty cycles. The role requires hands-on experience with liquid-cooled systems, CFD tools, and thermal-network modeling, plus the ability to translate losses into thermal requirements and test