Thermal Engineer - Testing, Validation & Failure Analysis

Job Description

1.About the Role：

Envicool is developing advanced liquid cooling and thermal management solutions for next- AI, HPC, and hyperscale data centers. We are seeking a hands-on Thermal Engineer to support testing, validation, failure analysis, and continuous improvement of liquid cooling products and thermal systems.

This role is ideal for candidates with a strong foundation in thermal engineering, hands-on lab experience, and interest in high-power electronics cooling, liquid cooling systems, and data center thermal technologies.

2.Responsibilities：

• Support the design, build, and validation of liquid cooling solutions, including cold plates, CDUs, and system-level thermal architectures for high-power electronics and data center applications.
• Set up test instrumentation and execute thermal and fluid performance tests, including temperature, flow rate, pressure, power, and leak-related measurements.
• Conduct failure analysis on components and systems, including leakage, clogging, corrosion, thermal degradation, material compatibility, and reliability-related issues.
• Perform root cause analysis based on experimental data, inspection results, engineering judgment, and cross-functional input.
• Develop and improve test methods, SOPs, validation protocols, data analysis templates, and engineering reports.
• Work closely with engineering, manufacturing, quality, suppliers, and service teams to resolve technical issues and improve product reliability.
• Support customer issue resolution and field failure investigations when needed.

3.Required Qualifications：

• Master’s degree or above in Mechanical Engineering, Thermal Engineering, Materials Science, Energy Engineering, or a related field.
• Strong foundation in heat transfer, fluid mechanics, thermodynamics, and thermal system fundamentals.
• Hands-on laboratory experience in thermal testing, instrumentation, system validation, or experimental diagnostics.
• Experience or strong exposure to failure analysis, root cause analysis, reliability engineering, or quality improvement is .
• Ability to analyze test data and translate findings into practical engineering recommendations.
• Strong problem-solving skills, attention to detail, ownership, and willingness to work in a hands-on lab environment.
• Fluent English communication is required.
• Must be legally authorized to work in the United States.

Qualifications：

• Experience with liquid cooling, electronics cooling, server cooling, data center thermal systems, or high-power electronic platforms.
• Familiarity with experimental measurement systems and diagnostics, such as temperature, flow, pressure, power, leak detection, or contamination control.
• Exposure to material or chemical analysis methods, such as SEM-EDS, ICP-OES, DSC, corrosion testing, or coolant/material compatibility evaluation.
• Familiarity with CFD tools such as ANSYS Fluent, Icepak, Star-CCM+, or equivalent is a plus.
• Background in prototype development, lab-scale system integration, troubleshooting, FMEA, or reliability testing is a plus.

4.Location:47730 Westinghouse Dr Fremont, CA 94539