CareerPlan

Principal Engineer PSU System Application

Xi'anFull-time2026-09-05 → 2026-10-24

Core

Define requirements and design high-efficiency AC/DC power supplies (1Φ/3Φ) for AI front-ends, including topology selection, magnetics design, and compliance validation.

Role type

Principal Power Supply System Application Engineer

Builds

High-density, redundant power supply units for AI infrastructure

Domain

Power electronics / Semiconductor / AI Infrastructure

Required skills

AC/DC PSU design, PFC/LLC topology design, magnetics design, EMI mitigation, simulation, compliance validation, system redundancy design

Preferred skills

Experience with Infineon power devices (CoolSiC, CoolMOS, CoolGAN, CoolSET), digital supervision (PSoC, XMC)

Technologies

Vienna topology, ANPC, PSoC, XMC, CoolSiC, CoolMOS, CoolGAN, CoolSET

Responsibilities

Define PSU requirements for AI front-end power supplies, Select and optimize PFC/LLC and multilevel topologies, Design magnetics/transformers and ensure robust isolation strategy, Drive redundancy (N+1) behavior and EMI mitigation, Correlate simulations with lab data

Seniority

Senior, hands-on IC