Senior Test Engineer: Liquid-Cooled AI Server Racks

Flex; Pflugerville (TX); On-site; USD 95,000 - 130,000; Full time

Job summary

Flex is seeking a Test Engineer in Austin, TX to lead test development for a new liquid‑cooled server rack product line, driving launch and ongoing support of high‑power AI/ML, GPU, and hardware accelerator platforms. You will design procedures, automate test execution, analyze data for continuous improvement, and train others on Linux and testing techniques while ensuring safety and compliance.

This hands‑on role collaborates with design and manufacturing teams to deliver robust,

Qualifications

• Bachelor's degree in CS/CE/EE or related field.
• 4-6 years hands-on experience in failure analysis and system-level testing.
• Proficiency in Python and Bash, Linux CLI, and hardware troubleshooting.
• Experience with server hardware/software integration and diagnostics.
• Experience with DAQs and sensors (thermocouples, flow meters, pressure sensors).

Responsibilities

• Test development & execution for liquid-cooled server racks.
• Liquid cooling system testing and validation.
• Failure analysis & debugging of high-power servers.
• Automation & data analysis to enable continuous improvement.
• Technical leadership & cross-functional training.
• Reporting, communication, and safety/compliance responsibilities.

Skills

Python

Bash

Linux

Hardware troubleshooting

DAQs & sensors

Statistics for data analysis

Education

Bachelor's degree in CS/CE/EE

MSEE or advanced degree preferred

Tools

DAQs

Sensors

Test equipment

Job description

Flex is seeking a Test Engineer in Austin, TX to lead test development for a new liquid‑cooled server rack product line, driving launch and ongoing support of high‑power AI/ML, GPU, and hardware accelerator platforms. You will design procedures, automate test execution, analyze data for continuous improvement, and train others on Linux and testing techniques while ensuring safety and compliance.

This hands‑on role collaborates with design and manufacturing teams to deliver robust,