We are seeking a highly motivated Power Electronics Modelling & Simulation Expert to join our Product Innovation & Development team. You will contribute to the design, simulation, validation, and commissioning of advanced power conversion systems for renewable energy and energy storage applications, working in a collaborative, international environment.This role offers the opportunity to work across the full product development lifecycle, from concept and modelling through to laboratory validation and certification.Design, model, and simulate power electronics converters and control systems (AC/DC, DC/DC) using tools such as Spice, PSCAD, Simulink, and PLECS .Contribute to fast, iterative development cycles through prototyping, laboratory testing, and commissioning activities.Build and maintain laboratory test setups to verify the performance, efficiency, and robustness of power conversion systems.Analyse logs, signals, and test results, generating clear and structured technical reports .Support validation, qualification, and product certification activities in laboratory, factory, and field environments.BSc or MSc in Electrical Engineering, Electronics, or a related field (minimum requirement).Proven experience in power electronics design, including converters, control strategies, and system-level integration.Experience with laboratory instrumentation, prototype testing, and commissioning is valued.Fluency in spoken and written English is required; additional experience in PV and energy storage systems is a plus.Hitachi Energy is a global technology leader in electrification, advancing a sustainable energy future through innovative power grid technologies with digital solutions at its core. More than three billion people rely on our technologies to power their daily lives.With over a century of pioneering mission-critical technologies—including power electronics, automation, and high-voltage solutions—we are addressing one of the most urgent challenges of our time: balancing rapidly growing electricity demand while accelerating the transition to a low-carbon energy system.Headquartered in Switzerland, Hitachi Energy employs over 50,000 people across 60 countries and generates annual revenues of approximately USD 16 billion.We invite you to apply and join our journey towards a more sustainable energy future.