Thermal Systems Engineer – Data Center Cooling

SwirlX, Inc.; San Diego (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

SwirlX, Inc. in San Diego, CA is seeking a Thermal Engineer to develop and optimize thermal solutions for advanced data center cooling systems on site.

You will perform detailed thermal analysis, simulations, and design heat transfer concepts, integrate with mechanical, electrical, and systems engineers, and drive prototype testing. The role emphasizes data-driven iteration and thorough technical documentation.

Qualifications

• BS, MS, or PhD in Mechanical, Aerospace, Chemical Engineering, or a related thermal fluids field.
• Strong foundation in thermal engineering and analysis, including heat transfer and thermal system design.
• CFD experience in Fluent, StarCCM+, or CFX with CAD proficiency.
• Experience building and testing heat exchanger hardware and applying measured data to iterate designs.
• Ability to communicate complex concepts across multidisciplinary teams and to customers.

Responsibilities

• Develop and optimize thermal solutions for advanced data center cooling systems.
• Perform detailed thermal analysis and simulations.
• Design and evaluate heat transfer and thermal management concepts.
• Drive prototype development and testing.
• Own technical documentation and participate in design reviews; improve engineering processes.

Skills

Thermal engineering

CFD

Heat transfer

Data center cooling

Education

BS/MS/PhD in Mechanical, Aerospace, Chemical Engineering or related thermal fluids field

Tools

CFD: Fluent/StarCCM+/CFX

CAD software

Job description

SwirlX, Inc. in San Diego, CA is seeking a Thermal Engineer to develop and optimize thermal solutions for advanced data center cooling systems on site.

You will perform detailed thermal analysis, simulations, and design heat transfer concepts, integrate with mechanical, electrical, and systems engineers, and drive prototype testing. The role emphasizes data-driven iteration and thorough technical documentation.