Principal Power System Engineer (Datacenter)

DescriptionAbout the Role Power Integrations is seeking an ambitious, highly motivated Principal AI/Data Center Systems Engineer 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 15 years of relevant industry experienceHands-on experience and deep expertise in high-density, high-frequency power converter design, including server power applications above 3 kW Strong familiarity with power supply topologies including: Active power factor correction circuits 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 ANSYSExperience designing power supplies/power converters from concept to production and supporting post productionKnowledge of communication protocols such as I2C and PMBusFamiliarity with tools for debug of power converters with embedded controllersPower Integrations is committed to building teams that drive innovation and therefore review a range of factors when determining compensation. The annual base pay range for this position is $187,000 and $260,000. Our salary ranges are determined by role, level, qualifications and work location. The range displayed on the job posting reflects the minimum and maximum target for new hire salaries for this position in California. Within the range, individual pay is determined by additional factors, including job-related skills, experience, and relevant education or training.Power Integrations also offers to our eligible employees a comprehensive total rewards package that includes equity, medical benefits, ESPP, 401K, tuition reimbursement and time off programs. For additional benefits, please visit .