Senior Power Electronic Test Engineer

Employment: Full-time Experience level: Mid-Senior Level Job Description The Senior Power Electronics Test Engineer helps develop and validate GaN power devices by designing SALT/HTOL test circuits and systems, evaluating device behavior in power converter circuits, creating MCU firmware for automated testing, supporting magnetics design, and troubleshooting hardware issues. This role works closely with cross-functional teams and prepares clear documentation to ensure reliable and repeatable long-duration testing. Responsibilities:  1. Circuit Evaluation & Test System Development  Analyze GaN device behavior within common power converter circuits. Translate circuit and device behavior into appropriate SALT/HTOL stress conditions. Design test circuits that safely and consistently apply required stress levels. 2. MCU Firmware Development Develop and maintain C/C++ firmware for test automation, system control, and data collection. 3. Magnetics Support  Assist with the design and optimization of inductors and transformers used in high-frequency GaN test setups. 4. Documentation & Communication Produce clear documentation for test procedures, system configurations, and updates. Generate concise technical reports summarizing waveform observations, converter behavior, and reliability outcomes. Contribute to internal knowledge systems to ensure lessons learned are retained and reusable. Qualifications Bachelor’s degree in Electrical Engineering with 5+ years of experience, or Master’s degree with 3+ years. Understanding of power converter circuits such as totem-pole PFC, flyback, and LLC. Hands-on experience building, bringing up, measuring, and debugging power electronics hardware.  Proficiency in C/C++ MCU firmware development (PWM, UART, I²C, SPI, ADC/DAC). Experience with schematic/PCB design tools such as Altium Designer. Strong communication, documentation, and teamwork skills. Familiarity with high-frequency magnetics (inductors/transformers). Preferred Experience with SALT, HTOL, or long-duration reliability testing. Additional Information Pay Transparency  The expected annual pay range for this position is $98,000-$122,000. This position is also eligible for bonus opportunities. Please note that final offer amount will be dependent on geographic location, applicable experience, and skillset of the candidate.   Renesas offers a full range of elective benefits including medical, health savings account (with applicable medical plan), dental, vision, health and/or dependent care flexible spending accounts, pre-tax commuter benefits, life insurance, AD&D, and pet insurance. In addition to elective benefit options, benefited employees receive company-paid life insurance and AD&D, LTD, short term medical benefits as well as paid sick time, paid holidays, and accrued paid vacation. New employees will attend a detailed benefit orientation to learn more about our many benefits and resources.   Renesas is an embedded semiconductor solution provider driven by its Purpose, To Make Our Lives Easier . With a global team of over 21,000 engineers and problem solvers in more than 30 countries, we offer the opportunity to work on world‑leading technology for Automotive, Industrial, Infrastructure, and IoT, shaping a safer, healthier, greener, and smarter future. At Renesas, TAGIE is our culture, grounded in being Transparent, Agile, Global, Innovative, and Entrepreneurial. It shapes how we work, grow and deliver on our purpose together. This collaborative spirit and mindset drive our semiconductor technology to transform industries and impact millions of lives. We believe in rewarding our employees with a competitive benefits package alongside their salary. More information will be provided during the hiring process. Are you ready to join our team and shape the future with us? Renesas Electronics is an equal opportunity and affirmative action employer, committed to supporting diversity and fostering a work environment free of discrimination on the basis of sex, race, religion, national origin, gender, gender identity, gender expression, age, sexual orientation, military status, veteran status, or any other basis protected by law. For more information, please read our  Diversity & Inclusion Statement . Renesas Electronics deals with dual-use technology that is subject to U.S. export controls regulations. Under these regulations it may be necessary for Renesas to obtain U.S. government export license prior to release of technology to certain persons. The decision whether or not to file or pursue an export license application is at the sole discretion of Renesas.