Senior Principal Test Development Engineer

Position Summary The Senior Principal Test Development Engineer is a recognized technical leader responsible for defining and driving advanced test solutions for PSG's next-generation power semiconductor portfolio, including Silicon (Si), Silicon Carbide (SiC), IGBT, and Gallium Nitride (GaN) technologies. This role provides strategic and technical leadership across wafer sort, die-level test, package final test, and power module test development. The successful candidate will lead the development of robust, cost-effective, and scalable test solutions that support product qualification, manufacturing ramp, yield optimization, and long-term business growth. The position requires deep expertise in power semiconductor testing, mixed-signal product development, statistical data analysis, and cross-functional collaboration with Design, Product Engineering, Quality, Operations, and Manufacturing teams across multiple global sites. Key Responsibilities Technical Leadership • Support PSG test technology roadmap implementation for next-generation power devices and intelligent power solutions. • Drive test architecture decisions from product concept through high-volume manufacturing. • Establish best practices, methodologies, and reusable test platforms across PSG product families. New Product Development (NPD) • Lead test development activities for new products including: • Power MOSFETs • IGBTs • SiC MOSFETs • SiC Modules • GaN Discrete Devices • Intelligent Power Modules (IPM) • Driver + Power MOSFET integrated solutions • Mixed-signal power products • Support product characterization, qualification, reliability stress testing, and production release. • Partner with Design and Product Engineering teams to ensure Design-for-Test (DFT) and manufacturability objectives are achieved. Test Development • Architect and develop wafer sort and final test solutions. • Design and implement: • Test hardware • Load boards • Probe cards • Interface boards • Socket solutions • Automated test software • Define optimized multisite test strategies for cost reduction and throughput improvement. • Develop test methodologies for high-voltage, high-current, fast-switching power semiconductor devices. Mixed-Signal & Driver Products • Lead test solution development for mixed-signal power products including: • Gate drivers • Driver + MOSFET combinations • Intelligent power devices • Protection and control functions • Develop methodologies for analog, digital, timing, and power parametric testing. • Collaborate with IC Design teams on production test coverage and fault screening strategies. Data Analytics Skill • Advanced statistical methods to drive data-based decisions. Education • Bachelor's degree in Electrical Engineering, Electronics Engineering, Physics, or equivalent. • Master's degree preferred. Experience • Minimum 10+ years of semiconductor test engineering experience. • Minimum 5+ years of direct test development experience. • Proven experience in power semiconductor products including Si, SiC, IGBT, and/or GaN technologies. • Demonstrated technical leadership in NPI and production test deployment. Technical Skills Strong Expertise In • Wafer Sort Development • Final Test Development • Die-Level Characterization • Power Module Testing • Mixed-Signal Testing • Power Discrete Testing • Product Characterization • Statistical Analysis • Yield Optimization • Root Cause Analysis Preferred ATE Platforms • Teradyne ETS Series • Advantest Platforms • Cohu / Multitest • Accotest Platforms • Equivalent high-power semiconductor test systems Programming & Data Analytics • C/C++ • Python • VBA / Automation Scripting • SQL • JMP • Minitab • Power BI • Advanced Excel Analytics Laboratory Skills • Oscilloscope • Power Analyzer • Curve Tracer • Function Generator • High-Voltage Characterization Equipment • Double-Pulse Test Systems Leadership Competencies • Strategic technical thinker • Strong system-level problem-solving skills • Excellent project management capability • Strong communication and stakeholder management skills • Effective cross-functional influence without direct authority • Ability to lead global and multicultural teams • Data-driven decision maker Preferred Experience Candidates with experience in one or more of the following will have a strong advantage: • SiC MOSFET and module development • GaN device testing and characterization • Driver IC and analog mixed-signal product testing • Automotive and industrial power products • High-voltage power module test development • AI-assisted engineering analytics Test methodology standardization across global manufacturing sites