Senior Principal Technical Support Engineer

Provide expert-level technical support for FormFactor’s advanced probe card products used in semiconductor wafer testing Serve as a key interface between customers, product engineering, manufacturing, and field service teams Diagnose and resolve electrical, mechanical, and process-related issues impacting probe card performance Support customers having Yield excursions, Electrical continuity issues, Contact problems, and Parametric anomalies during wafer sort Perform root cause analysis (RCA) on probe card failures Develop deep expertise in FormFactor probe technologies Provide guidance on Probe card setup and optimization Support new product introductions (NPI) and customer qualifications Provide onsite support at customer fabs and OSATs when required Analyze large datasets from wafer test systems to identify trends and issues Requirements Minimum of 8 years of related experience with a Bachelor’s degree; or 6 years and a Master’s degree; or a PhD with 3 years experience; or equivalent experience Knowledge of semiconductor test processes Hands-on mechanical ability and wafer prober operation skills Ability to speak Mandarin or Korean is a plus Experience with FormFactor probe cards or similar technologies Knowledge of advanced nodes (e.g., FinFET, 5nm/3nm processes) Experience supporting high-volume manufacturing (HVM) Familiarity with yield engineering and test optimization Prior field application or customer-facing experience Automatic Wafer Prober user experience Hands-on mechanical assembly / electrical debug experience Core Competencies Demonstrates expertise in semiconductor test processes and advanced probe card technologies, with a strong focus on diagnosing and resolving technical issues. Capable of providing customer support and guidance on probe card setup, optimization, and new product introductions. #J-18808-Ljbffr Jobtailor