Hyperscale Debug Technician

Flex•Memphis, TN

1d•Onsite

About The Position

Flex is a diversified manufacturing partner that assists market-leading brands in designing, building, and delivering innovative products globally. The company is seeking a Debug Technician to join its team in Memphis, TN. This role is crucial for supporting teams that build products and contribute to the company's growth. The Debug Technician will be responsible for advanced board-level troubleshooting and component-level debugging of complex multilayer server and data center PCBAs, including CPU, GPU, FPGA, ASIC, memory, and power subsystems. The position involves diagnosing high-speed digital, power distribution, and mixed-signal circuits using various diagnostic tools and equipment. Key responsibilities also include performing precision debug of fine-pitch and large body BGAs, conducting root cause failure analysis, identifying systemic failure trends, and implementing corrective and preventive actions. The technician will collaborate with engineering to resolve functionality gaps, update debug methodologies, and refine repair processes for scalability. Additionally, the role involves developing and maintaining detailed Debug Guides and documentation, contributing to continuous improvement initiatives, supporting the installation and optimization of advanced test and rework equipment, and ensuring strict adherence to ESD, safety, and quality compliance standards. The Debug Technician will also mentor and provide technical guidance to junior technicians.

Requirements

5+ years of experience in enterprise server, storage, or networking hardware repair.
Strong understanding of server power architecture, VRM design, and high-speed signal integrity fundamentals.
Experience with DDR memory debugging, PCIe interfaces, and high-speed interconnects.
Ability to read and interpret complex schematics and PCB layout archives.
Experience working with high-value components and low yield repair environments.

Responsibilities

Perform advanced board-level troubleshooting and component level debug on complex multilayer server and data center PCBAs, including CPU, GPU, FPGA, ASIC, memory, and power subsystems.
Diagnose high speed digital, power distribution, and mixed signal circuits using schematics, PCB layout files, POST codes, BIOS logs, boundary scan, and diagnostic utilities.
Utilize advanced test equipment including high bandwidth oscilloscopes, logic analyzers, protocol analyzers, power analyzers, spectrum analyzers, and automated test platforms.
Execute precision debug of fine-pitch and large body BGAs using controlled thermal profiles, X-ray verification, and industry-standard rework practices.
Perform root cause failure analysis, identify systemic failure trends, and implement corrective and preventive actions.
Collaborate closely with engineering to resolve functionality gaps, update debug methodologies, and refine repair processes for scalability and repeatability.
Develop and maintain detailed Debug Guides, diagnostic flowcharts, and repair documentation to standardize troubleshooting approaches across technicians.
Contribute to continuous improvement initiatives by tracking yield performance, repair cycle time, and failure mode trends to enhance productivity and material velocity.
Support installation, validation, and optimization of advanced test and rework equipment used in high-value repair environments.
Ensure strict adherence to ESD, safety, and quality compliance standards in handling high-cost server components.
Mentor and provide technical guidance to junior technicians, strengthening team capability and debugging consistency.