We are seeking a highly motivated Signal Integrity (SI) Test Engineer to evaluate and ensure the performance of high-speed copper cable systems. In this role, you will work closely with design, simulation, and manufacturing teams to validate signal performance, troubleshoot issues, and drive product quality through data-driven analysis.Key Responsibilities: Perform Signal Integrity (SI) measurements to evaluate the performance of copper cables using advanced lab equipment; Debug and conduct root cause analysis on failed devices under test (DUT), collaborating with manufacturing engineers; Develop and execute Design of Experiments (DOE) plans to identify issues and drive them to resolution; Correlate measurement results with simulation models in partnership with cable design and SI simulation teams; Collaborate with design teams on test fixture development and de-embedding methodologies; Stay current with industry standards such as IEEE 802.3 and PCIe, ensuring test methods remain up-to-date; Develop and maintain automated test scripts for controlling lab equipment and processing measurement data; Support additional cable validation procedures, including mechanical reliability tests (e.g., flex/bending).