Principal Engineer PSU System Application

Job description

Define ORV3/MCRPS PSU requirements for 1Φ/3Φ AI front-end power supplies (up to ~50 V or HV outputs such as 400/800 V depending on architecture). Select and optimize PFC/LLC and multilevel topologies (e.g., Vienna, ANPC) for efficiency, power density, and manufacture ability. Design magnetics/transformers and ensure robust isolation strategy, sensing/protection, and thermal derating. Drive redundancy (N+1) behavior, EMI mitigation, and compliance alignment; correlate simulations with lab data.

Scout new platform concepts and evolving standards; collaborate with digital supervision (PSoC™/XMC™) and Infineon power devices (CoolSiC™,CoolMOS™, CoolGAN™, CoolSET). BSEE/MSEE in Electrical Engineering, Computer Engineering, or related field with 6-8 years of experience. Demonstrated AC/DC PSU design experience (PFC, LLC, holdup, inrush, protection, EMI). Hands-on with power stage simulation, magnetics design, and compliance-driven validation.

Strong system thinking for redundancy, reliability, and production readiness. Open-minded, communicative; able to work under pressure and independently. We are on a journey to create the best Infineon for everyone. This means we embrace diversity and inclusion and welcome everyone for who they are. At Infineon, we offer a working environment characterized by trust, openness, respect and tolerance and are committed to give all applicants and employees equal opportunities.

We base our recruiting decisions on the applicant´s experience and skills.