Principal Engineer Firmware PSU_5113

AC/DC & System Supervision – AI Power Delivery Your Role Key responsibilities in your new role Develop supervisor firmware and a communications gateway for PSU/BBU/CDU/PBU with timestamped multi-rail telemetry, alarm policies, and diagnostics for AI racks. Implement redundancy awareness (N+1), FRU/EEPROM management, and root-cause tagging across rack-level events.

Design A/B firmware update strategy with rollback and safe-mode enabling zero-downtime operation. Support production test hooks, calibration scripts, compliance telemetry recording, and field debug. Use PSoC™ Control, XMC™ + DAVE™, Modus. Toolbox™, RTOS, OPTIGA™ secure identity/signed updates, and interfaces such as CAN/UART/RS-485/Modbus.

Your Profile

Qualifications and skills to help you succeed BSEE/MSEE in Electrical Engineering, Computer Engineering, or related field with 6-8 years of experience . Strong embedded firmware and system supervision experience for power supplies (AC/DC front-end, ORV3/MCRPS). Hands-on with comms stacks (CAN/UART/RS-485/Modbus) and telemetry/diagnostics architectures.

Understanding of redundancy behavior, firmware update robustness, and production test enablement. Open-minded, communicative; able to work under pressure and independently. Contact: sunny.wang@infineon.cn #We. Are. In for driving decarbonization and digitalization. As a global leader in semiconductor solutions in power systems and IoT, Infineon enables game-changing solutions for green and efficient energy, clean and safe mobility, as well as smart and secure IoT.

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