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