Job Title: Power Electronics Engineer Location: Cambridge, UK Industry: Power Electronics / Advanced Energy Systems Employment Type: Full-time / Permanent Overview: We are seeking a highly skilled and motivated Power Electronics Engineer to join our clients innovative team in Cambridge. The successful candidate will play a key role in the design and development of cutting-edge power conversion systems, leveraging wide-bandgap semiconductors and high-frequency magnetics for next-generation applications. Key Responsibilities: Lead the design and optimisation of planar magnetics, including PCB winding layout and electromagnetic simulation for high-density power converters. Design and test high-voltage LLC DC-DC converters operating above 500V, ensuring high efficiency and compact form factor. Work extensively with 650V and 1200V SiC and GaN devices, including selection, thermal management, and performance characterisation. Develop high-frequency gate driver circuits (up to 1 MHz) and associated auxiliary power supplies to support robust and fast switching. Perform simulation, schematic capture, PCB layout supervision, and prototype testing across the full development lifecycle. Collaborate with mechanical, thermal, and firmware teams to deliver integrated system solutions. Support DVT, EMC compliance, and safety certification processes as required. Key Requirements: Degree (Master’s or PhD preferred) in Electrical/Electronic Engineering or related discipline. Proven hands-on experience in: Planar transformer design and layout using PCB-based windings. SiC and GaN power device implementation in real-world power converter designs. High-voltage LLC resonant converter topologies. High-frequency gate drive circuits and power stage integration. Strong analytical and simulation skills using tools such as LTspice, PLECS, Altium, ANSYS, or equivalent. Experience with lab equipment and test procedures for high-voltage power electronics. Ability to work independently and contribute to a collaborative engineering environment. Desirable: Knowledge of EMI/EMC mitigation techniques in power converters. Experience in thermal modelling and magnetic material characterisation. Familiarity with digital control of power converters (e.g., using DSP or MCU platforms). What We Offer: A chance to work at the forefront of power electronics innovation. Flexible and dynamic working environment in the heart of Cambridge. Competitive salary and benefits package. Opportunities for technical and professional growth.