Sr Test Engineer

About the role

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. Reporting to the Test Engineering Manager, the Test Engineer will serve as a key technical lead and individual contributor for a new liquid-cooled server rack product line.

Responsibilities

• Drive launch and ongoing support of high-power AI/ML, GPU, and hardware accelerator-based server, storage, and networking platforms featuring advanced liquid cooling.
• Own test process development for full rack (L6,10/L11) assembly and integration—ensuring quality, performance, and safety—across NPI and sustaining production.
• Design procedures, automate test execution, analyze data for continuous improvement, and leverage liquid cooling expertise to deliver robust end-customer solutions.

Requirements

• Bachelor’s degree in CS, CE, EE/Electronics, or related field (MSEE or advanced degree preferred).
• 6-8 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, and 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.
• 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.

Preferred Qualifications

• 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).
• Leverage leak detection/prevention techniques and best practices.

Skills

• 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).
• Leverage leak detection/prevention techniques and best practices.

Benefits

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps.