Lead Test Engineer - Liquid-Cooled AI Server Systems

Flex; Austin (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

Flex is seeking a Test Engineer in Austin, TX to lead test development for a liquid‑cooling server rack product line, drive QA and performance testing, and ensure safety and reliability across NPI and production. You will design procedures, automate test execution with Python/Bash, analyze data for continuous improvement, and collaborate across hardware, software, and manufacturing teams.

This role reports to the Test Engineering Manager and requires 6–8 years in failure analysis and

Qualifications

• Bachelor’s degree in CS, CE, EE or related field; advanced degree preferred.
• 6–8 years of hands-on failure analysis and system-level testing in manufacturing.
• Proficiency with Python and Bash; strong Linux CLI and hardware troubleshooting.
• Experience with hardware/software integration and diagnostics in a high‑volume setting.
• Experience with DAQs and sensors (thermocouples, flow meters, pressure).
• Strong knowledge of statistical analysis and data‑driven troubleshooting.
• End-to-end test operations development: SOPs, work instructions, flowcharts.

Responsibilities

• Test Development & Execution across full rack platforms.
• Failure Analysis & Debugging of product issues.
• Automation & Data Analysis to improve tests and yield.
• Continuous Improvement of test processes.
• Knowledge of liquid cooling systems and integration.
• Technical Leadership & Training of team members.
• Cross-Functional Collaboration with design, manufacturing and QA.
• Reporting & Communication on test results and issues.
• Safety & Compliance adherence in all tests.

Skills

Python

Bash

Linux CLI

Data analysis

Statistical analysis

Test development

Test automation

Hardware troubleshooting

DAQs

Education

Bachelors in CS/EE

Tools

Linux

DAQs

Test equipment

Job description

Flex is seeking a Test Engineer in Austin, TX to lead test development for a liquid‑cooling server rack product line, drive QA and performance testing, and ensure safety and reliability across NPI and production. You will design procedures, automate test execution with Python/Bash, analyze data for continuous improvement, and collaborate across hardware, software, and manufacturing teams.

This role reports to the Test Engineering Manager and requires 6–8 years in failure analysis and