Ayr designs and manufactures critical power grid equipment including power transformers, distribution transformers, special-purpose transformers, high-voltage circuit breakers, and medium-voltage switchgear. They serve markets such as renewables, data centers, utilities, oil & gas, and industrial sectors. They position themselves as partners in power projects, offering lifecycle support and working to deliver faster than average industry timelines. Website: https://ayr.energy About the role As a senior power electronics engineer, you’ll shape the architecture and delivery of high-performance converters and protection systems, driving innovation in efficiency, reliability, and manufacturability. Our integrated model of combining advanced engineering, tight supply-chain control, and exceptional service empowers you to build resilient solutions that restore reliability and control to the operators who keep the world energized. What you'll do • Architect, design, build and industrialize power converter hardware for use in grid and energy product applications • Architect and model new power electronics topologies that have superior performance • Have start to finish ownership of hardware – from specification to design, prototype, reliability validation and production • Collaborate cross-functionally with mechanical, thermal, PCB layout, firmware, manufacturing and testing teams to validate and manufacture Ayr products • Define and execute validation test plans including structural, thermal, and environmental testing. Qualifications • First Principles Thinking • Strong understanding of power converter topologies – both theory and practical design • 5 or more years of relevant hands-on hardware experience in design and industrialization of power converter products • Experience with high voltage power semiconductor selection (IGBTs, Si/SiC/GaN MOSFET’s, and diodes), design of gate drive and analog/digital sensing circuits • Solid understanding of the theory and application of magnetics (inductors, transformers) and capacitors (film, ceramic and electrolytic) for high voltage and high frequency power conversion • Knowledge of basic control theory and experience with embedded programming • Extensive hands-on experience with advanced digital and HV circuit bring-up and troubleshooting • Awareness of UL and CE electrical safety requirements; EMC requirements relevant to the design of power converters is a plus • Excellent written and verbal communications in English What we offer • Collaborative work environment • Challenging problems to solve • Competitive benefits including medical, dental, and vision • Equity package