Principal/Senior Engineer - MV DC-DC Power Conversion

Huawei; Nürnberg; On-site; EUR 90,000 - 130,000; Full time

Job summary

Huawei Ohm Research Center in Nuremberg seeks a Principal/Senior Engineer to advance MV DC-DC power conversion for SSTs in 10kV-35kV systems. Lead architecture, simulations, MFT, and high-power transformer design with a focus on insulation, PD suppression, and thermal management.

Collaborate with institutes and customers to drive tech transfer and mass deployment while providing end-to-end support for key projects in data centers, PV, energy storage, and EV charging.

Qualifications

• SST and MV DC-DC conversion expertise with topologies like DAB, LLC, CLLC.
• Experience in high-power transformer design and insulation under MV/HF.
• Hands-on development in HV SiC devices and gate driver design.
• Proven project management capabilities across hardware development.
• Proficiency in PLECS and field simulations for insulation design.

Responsibilities

• Technology Planning: formulate roadmaps for 10kV-35kV SST power conversion.
• Core R&D: lead architecture, simulation, and component design for MV DC-DC.
• Collaboration: work with institutes and universities for tech transfer.
• Technical Support: assist sales in strategic projects and field trials.

Skills

SST Expertise

MV/DC-DC Topologies

MFT Design

SiC Device Application

Gate Drive Design

Project Management

PLECS Simulations

HV Insulation PD

5-8 years Experience

Tools

PLECS

Electric Field Simulation

Job description

Huawei's Ohm Research Center (Nuremberg)

It is responsible for Advanced Technology Research, Architecture Evolution Design and Strategic Technology Planning.

The Power Conversion Technology Laboratory

Within Huawei's Ohm Research Center (Nuremberg) is responsible for Advanced Digital Power Technology Research, Architecture Evolution Design and Strategic Technology Planning, and plays an important role in the Huawei Digital Power business in the design and development of power converters and control systems for applications such as PV Solar & Battery Energy Storage Field, Data Centers, Electric Vehicle, and Embedded Power Supply.

Principal/Senior Engineer - MV DC-DC Power Conversion (m/f/d)

Your mission

• Technology Planning: Align with industry trends and customer demands across data centers, PV, energy storage, and EV charging sectors to formulate technical roadmaps for the DC-DC power conversion subsystem within 10kV-35kV medium-voltage direct-connected Solid-State Transformers (SST), ensuring superior competitiveness of product solutions.
• Core Technology R&D: Lead the architecture design, simulation modeling, and key component design of medium-voltage high-power isolated DC-DC converters (topologies including DAB, LLC, CLLC), and take full accountability for the competitiveness of R&D deliverables. Lead the design of Medium-Frequency Transformers (MFT), and tackle technical challenges such as insulation design under medium-voltage high-frequency operating conditions, partial discharge (PD) suppression, and thermal management under complex working conditions.
• Technology Insight & Collaboration: Track cutting-edge technologies of medium-voltage high-power isolated DC-DC converters to identify innovation opportunities; cooperate with top industrial research institutes and universities to incubate new technologies and facilitate technology transfer and mass deployment.
• Technical Support for Key Projects: Provide end-to-end technical support for frontline sales in strategic project development, prototype testing, and on-site technical consultation to drive successful closure of key customer projects.

Your areas of expertise

• Professional Expertise: Seasoned specialist in Solid-State Transformers (SST) and medium-voltage high-power isolated DC-DC conversion. Proficient in topologies including DAB, LLC and CLLC as well as their control schemes; well-versed in Medium-Frequency Transformer (MFT) design, high-voltage high-frequency insulation and partial discharge suppression. In-depth research and hands-on development experience in high-voltage SiC device application, gate driver design, and series voltage balancing control.
• Core Business Competency: Skilled in the full hardware development workflow for medium-voltage high-power converters with proven project management capabilities.
• Simulation Tools Proficiency: Expertise in PLECS simulation software; capable of conducting electric field and magnetic field simulations to analyze electric field strength for medium-voltage insulation design.
• Professional Experience: Minimum 5-8 years of relevant industry experience. Candidates with proven successful development experience of medium-voltage (6kV/10kV/35kV) SST are highly preferred.

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Your rewards of working here

• Our culture is characterized by innovative power and team spirit as well as the intensive exchange of knowledge and experience within our global network.
• To keep your development ongoing, you will find a broad range of training opportunities. Many online and face-to-face training programs incl. language courses in German and Mandarin.
• Our diverse and welcoming environment is shaped by different backgrounds and around 40 individual nationalities.
• Self-responsible work in a competent, motivated and constantly growing team.

Please send your application and CV (incl. cover letter and reference letters) in English.

Huawei is a leading global information and communications technology (ICT) solutions provider. Our ICT solutions, products and services are used in more than 170 countries and regions, serving over one-third of the world's population. With 208,000 employees, Huawei is committed to develop the future information society and build a Better Connected World.