Power Supply Engineer

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Lenovo is a US$83 billion revenue global technology powerhouse, ranked #153 in the Fortune Global 500, and serving millions of customers every day in 180 markets. Focused on a bold vision to deliver Smarter Technology for All, Lenovo has built on its success as the world’s largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo’s continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. Lenovo is listed on the Hong Kong stock exchange under Lenovo Group Limited (HKSE: 992) (ADR: LNVGY).

This transformation together with Lenovo’s world-changing innovation is building a more inclusive, trustworthy, and smarter future for everyone, everywhere. To find out more visit www.lenovo.com, and read about the latest news via our StoryHub.

Key Responsibilities

• Own server PSU development from product requirements and supplier selection through qualification and mass production.
• Define and review PSU electrical, mechanical, thermal, firmware, safety, reliability, and system interface requirements.
• Work closely with PSU ODM suppliers to review designs, development schedules, test results, technical risks, and project deliverables.
• Lead design reviews and validation activities, including efficiency, power quality, transient response, current sharing, redundancy, hot-swap, protection, thermal performance, and reliability.
• Drive root cause analysis and corrective actions for PSU issues found during development, manufacturing, or customer deployment.
• Collaborate with system, mechanical, thermal, firmware, quality, manufacturing, sourcing, and project teams.
• Support PSU technology roadmap, supplier technical assessments, cost optimization, and product complexity reduction.
• Improve PSU design guidelines, validation plans, and lessons learned based on project experience.

Qualifications

• Bachelor’s degree or above in Electrical Engineering, Electronic Engineering, Power Electronics, or a related field.
• At least 3 years of experience in AC/DC power supply development, validation, system integration, or a related engineering role.
• Strong understanding of switch-mode power supply design, including PFC, LLC or other isolated DC/DC topologies, power sharing, hot-swap, ORing, and protection circuits.
• Hands-on experience with oscilloscopes, power analyzers, electronic loads, AC sources, and other power validation equipment.
• Experience working with ODM or power supply suppliers and supporting products from design through mass production.
• Good problem-solving skills and the ability to lead technical issue investigations across multiple teams.
• Good written and verbal communication skills in English.

Preferred Qualifications

• Experience with server, storage, telecom, AI, or high-performance computing power supplies.
• Knowledge of CRPS, CFF, PMBus, OpenBMC, 80 PLUS, and applicable safety or regulatory standards.
• Experience with high-power or high-density PSU designs, PSU firmware, reliability testing, or failure analysis.

We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, religion, sexual orientation, gender identity, national origin, status as a veteran, and basis of disability or any federal, state, or local protected class.