Staff Applications Engineer (Datacenter) at Power Integrations in San Jose, CA

  • Company: Power Integrations
  • Location: San Jose, CA
  • Job type: full time
  • Workplace: onsite
  • Posted: 2026-10-29

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Job description

Company description At Power Integrations, we develop innovative semiconductor technologies that power energy-efficient solutions used around the world. From consumer electronics and industrial applications to electric vehicles and renewable energy systems, our products help customers solve increasingly complex power conversion challenges. Our technologies make electronic devices and energy systems more efficient worldwide. Employees collaborate with talented engineers, business leaders, and operations teams on products that directly affect our customers and our business. Description About the Role Power Integrations is seeking an ambitious, highly motivated Senior/Staff Applications Engineer (AI/Data Center) to help define and develop next-generation high-density power solutions for AI and data center applications. In this role, you will contribute to the development of high-density power converters, intermediate bus converter (IBC) modules, and protection circuits for next-generation AI and data center systems using Power Integrations products and technologies. You will work closely with the new product development team to create novel applications for high-frequency power converters using state-of-the-art GaN and silicon technologies, and to deliver differentiated solutions that address critical customer needs. You will also develop best-in-class reference designs using Power Integrations products for next-generation AI and data center power architectures. Responsibilities Develop innovative high-frequency power converter solutions for AI and data center applications across AC/DC and DC/DC architectures using Power Integrations products. Define power converter architectures and key system components for emerging AI and data center power solutions. Provide switching power supply design support and technical guidance for applications based on Power Integrations products. Develop reference designs and application solutions that demonstrate performance, efficiency, and system value for next-generation AI and data center power architectures. Collaborate with product development teams and customers to solve complex technical challenges, evaluate design tradeoffs, and optimize system performance, density, and reliability. Serve as a technical expert and provide advanced application support to customers worldwide. Qualifications Bachelor’s or Master’s degree in Electrical Engineering, or foreign equivalent Minimum 8-12 years of relevant industry experience Hands-on experience and deep expertise in high-density, high-frequency power converter design, including server power applications above 3 kW Experience in designing high power and high current planar transformers Strong familiarity with power supply topologies including: Active power factor circuits such as Totem pole PFC and Vienna Rectifier topologies Phase-shifted and LLC resonant converters Buck, boost, buck-boost, and flyback converters Expert knowledge of high-frequency magnetics design Ability to perform complex calculations, including worst-case analysis, for circuits designed using Power Integrations products Experience with tools such as MATLAB, Excel, and simulation software such as SIMPLIS/LTspice/PLECS Strong hands-on capability and experience using lab equipment to test high-frequency switching power supplies Excellent written and verbal communication skills, including experience creating specifications, technical reports, and test plans or instructions Knowledge of relevant industry standards and system architectures Preferred Qualifications Experience developing firmware in C/C++ for embedded controllers in power supply applications, along with the ability to provide firmware guidance for applications using Power Integrations products Experience using finite element tools such as ANSYS Experience designing power supplies/power converters from concept to production and supporting post production Knowledge of communication protocols such as I 2 C and PMBus Familiar

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