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

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