Principal/Senior Engineer - MV DC-DC Power Conversion

In this role you will lead architecture design, modeling, and component development for medium-voltage (10kV–35kV) DC-DC converters within SSTs. You will shape technical roadmaps aligned with data centers, PV, energy storage, and EV charging demands, collaborating with research institutes to accelerate innovation. You’ll drive end-to-end support for strategic projects, addressing insulation, PD suppression, and thermal management. This is a chance to influence next-gen power conversion globally in a cross-functional team.

• company canteen with diverse meals
• training opportunities (online and face-to-face)
• language courses in German and Mandarin
• diverse environment with ~40 nationalities
• self-responsible work in a motivated team

• Technology Planning: formulate roadmaps for DC-DC power conversion in SST under 10kV–35kV, aligned with market trends.
• Core Technology R&D: lead architecture, modeling, and key component design for MV high-power isolated DC-DC converters (DAB, LLC, CLLC).
• MFT design and challenges: lead medium-frequency transformer design, insulation under HV high-frequency, PD suppression, and thermal management.
• Collaboration and technology transfer: identify opportunities, collaborate with research institutes and universities to incubate and deploy new tech.
• Technical project support: provide end-to-end technical support for frontline sales, prototype testing, and on-site consultations.

• Seasoned specialist in Solid-State Transformers (SST) and MV high-power isolated DC-DC conversion.
• Proficiency in topologies: DAB, LLC, CLLC; knowledge of their control schemes.
• Experience in MFT design, HV insulation, and PD suppression.
• In-depth research and hands-on development in HV SiC devices, gate drivers, and series voltage balancing control.
• Full hardware development workflow for MV high-power converters and proven project management capabilities.
• Proficiency with PLECS and capability to perform electric/magnetic field simulations for insulation design.
• Minimum 5–8 years of relevant industry experience; preferred demonstrated SST development at 6kV/10kV/35kV.

• cross-functional collaboration
• strong communication
• problem solving and initiative
• Solid-State Transformers (SST)
• medium-voltage high-power isolated DC-DC conversion
• DAB, LLC, CLLC topologies