Test Engineer 3

Flex•Pflugerville, TX

6d•Onsite

About The Position

Flex is seeking a Test Engineer in Austin, TX, to support their new liquid-cooled server rack product line. This role serves as a key technical lead and individual contributor, driving the launch and ongoing support of high-power AI/ML, GPU, and hardware accelerator-based server, storage, and networking platforms with advanced liquid cooling. The position owns the test process development for full rack (L6, 10/L11) assembly and integration, ensuring quality, performance, and safety across NPI and sustaining production. Responsibilities include designing procedures, automating test execution, analyzing data for continuous improvement, and leveraging liquid cooling expertise to deliver robust end-customer solutions.

Requirements

Bachelor’s degree in CS, CE, EE/Electronics, or related field
4-6 years of hands-on experience in failure analysis and system-level testing within a high-paced manufacturing environment
Proficiency in scripting languages (Python, Bash)
Advanced Linux command-line operations
Hardware/network troubleshooting including the ability to train others on Linux fundamentals
Expertise in computer and server hardware/software integration, diagnostics, and repair - particularly within a manufacturing or high-level assembly environment
Experience with DAQs and sensors (thermocouples, flow meters, pressure sensors)
Strong knowledge of statistical analysis and its application to data-driven troubleshooting and decision-making
End-to-end development of the test operations process, including SOPs, work instructions, process flowcharts, operational activities, and destination routing.

Nice To Haves

Performing hands-on debugging, validation, and system-level failure analysis of next-generation server and rack systems within a high-mix, high-ambiguity manufacturing environment
Strong Linux CLI proficiency, hardware integration expertise, and advanced troubleshooting skills across L6, and L10, test stages
Ability to train others on Linux basics
System architecture understanding—how liquid cooling integrates with overall system testing
Intermediate programming in Bash and Python
Familiarity with liquid cooling components (pumps, radiators, cold plates, chillers, reservoirs, tubing, fittings, coolants)
Leak detection/prevention techniques and best practices