Power Supply Design Engineer

About the role

Super Micro Computer is seeking an experienced Power Supply Design Engineer to lead the development of high‑power, high‑efficiency AC/DC power supplies and DC/DC converters for data‑center and cloud solutions. The role involves end‑to‑end design, validation, and continuous improvement of power modules and rack‑level power systems.

Key responsibilities

• Design and develop high‑power, high‑efficiency, high‑density AC/DC power supplies.
• Create and optimize high‑efficiency DC/DC converters.
• Develop and validate power shelves and rack power test systems.
• Lead design reviews for new projects, ensuring robust and scalable designs.
• Drive performance and quality improvements for existing projects.
• Conduct second‑source qualification and implementation processes.
• Analyze and resolve power supply system issues, including RMA failure root‑cause analysis and corrective actions.
• Collaborate with cross‑functional teams and support product managers throughout product development.

Required profile

• 8+ years of experience in switching‑mode power supply (SMPS) design.
• Hands‑on experience with OCP ORV3 Power Shelf or ORV3 PSU designs.
• Proven expertise in Totem‑Pole PFC development.
• Experience designing Battery Backup Units (BBU), including battery chargers and high‑power DC/DC converters.
• Strong knowledge of high‑power brick DC/DC converter development.
• Ability to design control loops meeting loop‑gain and phase‑margin requirements.
• Magnetic design experience, including transformer and inductor design.
• Familiarity with power‑management communication protocols such as PMBus and I²C.

Required skills

• Switching‑mode power supply (SMPS) design
• Totem‑Pole PFC development
• Battery Backup Unit (BBU) design
• High‑power/high‑density DC/DC converters
• 3‑phase AC input PFC (preferred)
• Control loop design (gain/phase margin)
• Transformer and inductor (magnetic) design
• PMBus communication protocol
• I²C communication protocol