Field Application Engineer Power Supply

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.