Field Application Engineer – Power Supply
Confidential
Posted: January 30, 2026
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Required Skills
Job Description
Field Application Engineer – Power Supply
Compensation: $85K-$95K DOE
Location: Fremont, CA
We are seeking a Field Application Engineer to support customers with the design, integration, and optimization of Phihong’s power supply solutions. This role bridges product design and customer support, playing a key role in both technical problem-solving and product development.
Key Responsibilities:
Serve as a technical liaison between customers and internal engineering teams
Support customer design-in activities for PSU products (AC-DC, DC-DC converters, adapters, etc.)
Provide in-depth product knowledge and assist customers in selecting appropriate power supply solutions
Conduct schematic reviews, PCB layout guidance, and thermal management consultation
Perform lab testing, troubleshooting, and failure analysis of PSU systems
Develop and present technical documents, application notes, and product training materials
Collaborate with R&D teams to improve existing products based on customer feedback and market needs
Participate in product definition, validation, and design reviews
Travel to customer sites (as needed) to support design activities and resolve issues
Qualifications:
Bachelor’s degree in Electrical Engineering or a related field
3+ years of experience in Power Supply, preferably with PSU design and/or FAE responsibilities
Excellent problem-solving skills and ability to analyze
Strong interpersonal and communication skills; bilingual in Mandarin is a plus
Willingness to travel domestically and internationally
Benefits:
401(k)
401(k) matching
Dental insurance
Health insurance
Vision insurance
Life insurance
Paid time off
About Phihong
Phihong is a global leader in the development of world-class power solutions, with annual revenue of $400 Million. A leading supplier of power adapters, power supplies, Power-over-Ethernet products, and electric vehicle chargers, Phihong proudly serves OEMs in the medical, datacom, telecom, personal electronics, industrial, and networking markets, and has a truly global reach with design labs, manufacturing facilities, and sales support centers in California, New York, The Netherlands, China, Japan, and Taiwan.