Thermal Test & Validation Engineer - Liquid Cooling Systems

ENVICOOL; Fremont (CA); On-site; USD 95,000 - 130,000; Full time

Job summary

Envicool is actively seeking a hands-on Thermal Engineer to support testing, validation, failure analysis, and continuous improvement of liquid cooling products and thermal systems for high-power electronics and data centers.

The role requires a strong foundation in heat transfer, fluid mechanics, and thermodynamics, plus hands-on lab experience and the ability to translate data into practical engineering recommendations. On-site work in Fremont, CA, with collaboration across engineering teams.

Qualifications

• Have a Master’s or higher in Mechanical/Thermal Engineering or related field.
• Hands-on experience with thermal testing, instrumentation, and system validation.
• Experience with failure analysis, reliability, and quality improvement is preferred.
• Strong foundation in heat transfer, fluid mechanics, and thermodynamics.

Responsibilities

• Support design, build, and validation of liquid cooling solutions (cold plates, CDUs, system-level architectures).
• Set up test rigs and run thermal and fluid tests (temperature, flow, pressure, power, leaks).
• Conduct failure analysis on components and systems and identify root causes.
• Develop SOPs, validation protocols, and data analysis templates.
• Collaborate with engineering, manufacturing, quality, and suppliers to improve reliability.
• Assist with customer field failures and investigations.

Skills

Thermal engineering

Lab testing

Data analysis

Root cause analysis

Problem solving

Fluent English

Education

Master's degree or above in Mechanical Engineering or Thermal Engineering

Tools

ANSYS Fluent

Icepak

Star-CCM+

Job description

Envicool is actively seeking a hands-on Thermal Engineer to support testing, validation, failure analysis, and continuous improvement of liquid cooling products and thermal systems for high-power electronics and data centers.

The role requires a strong foundation in heat transfer, fluid mechanics, and thermodynamics, plus hands-on lab experience and the ability to translate data into practical engineering recommendations. On-site work in Fremont, CA, with collaboration across engineering teams.