Principal Power Module Design Engineer

Employment: Full-time Experience level: Mid-Senior Level Job Description We are seeking a Senior Power Module Design Engineer to own the end-to-end electrical design of high-density power modules. These products target next-generation GPU and AI accelerator core power delivery with extremely high current density, fast transient response, and tight thermal and reliability margins. This is a hands-on design role with full ownership from architecture definition through module validation. Key Responsibilities Design high-current, high-density power modules for CPU/GPU/xPU core power and AI server power delivery applications. Collaborate with package engineers and IC designers to develop advanced packaging solutions that integrate ICs, inductors, and capacitors into a high-density module. Conduct PDN extraction for the module package to assess power path losses and switch-node ringing. Design inductors per module and silicon pinmap. Work with inductor vendors to bring concept designs into real products.   Build and run module thermal models to ensure all components remain below maximum operating temperatures. Work with the validation team to debug power modules and perform bench characterization, including efficiency, thermal, and transient performance. Support design-for-manufacturing (DFM) and design-for-test (DFT) activities. Qualifications BSEE or MSEE with 5+ years of hands-on power electronics design experience. Strong experience designing high-current, high-frequency DC-DC converters, especially multiphase buck architectures. Direct experience designing power modules, VRMs, or highly integrated power solutions is strongly preferred. Deep understanding of power stage design and magnetics for high-current applications. Hands-on experience in PCB layout for high-current-density and high-frequency applications. Proficiency with design and simulation tools: PCB layout: Cadence/Altium Designer Circuit simulation: SIMPLIS / SIMetrix PDN extraction and magnetic design: Q3D / PowerSI / Maxwell Thermal simulation: Flotherm / Icepak Proven ability to debug complex power circuits through lab measurement and root-cause analysis. Ability to collaborate effectively across IC design, packaging, reliability, and manufacturing teams. Additional Information 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 . Company Description Renesas is one of the top global semiconductor companies in the world. We strive to develop a safer, healthier, greener, and smarter world, and our goal is to make every endpoint intelligent by offering product solutions in the automotive, industrial, infrastructure and IoT markets. Our robust product portfolio includes world-leading MCUs, SoCs, analog and power products, plus Winning Combination solutions that curate these complementary products. We are a key supplier to the world’s leading manufacturers of electronics you rely on every day; you may not see our products, but they are all around you. Renesas employs roughly 21,000 people in more than 30 countries worldwide. As a global team, our employees actively embody the Renesas Culture, our guiding principles based on five key elements: Transparent, Agile, Global, Innovative, and Entrepreneurial. Renesas believes in, and has a commitment to, diversity and inclusion, with initiatives and a leadership team dedicated to its resources and values. At Renesas, we want to build a sustainable future where technology helps make our lives easier. Join us and build your future by being part of what’s next in electronics and the world.