Principal AI/Data Center Systems Engineer

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.

Motivation for the Role

Power Integrations is seeking a highly motivated Principal AI/Data Center Systems Engineer to help shape the future of power delivery for AI and data center infrastructure. As AI workloads continue to drive unprecedented power demands, this role will be instrumental in developing innovative, high-density power solutions that improve efficiency, performance, and reliability. This position offers the opportunity to work with cutting-edge GaN and silicon technologies while influencing next-generation power architectures used by leading global customers.

Job Description

In this role, you will lead the development of advanced power conversion solutions for AI and data center applications, including AC/DC power supplies, DC/DC converters, intermediate bus converter (IBC) modules, and system protection technologies. You will collaborate closely with product development teams to evaluate emerging system requirements, define power architectures, and create differentiated solutions utilizing Power Integrations' technologies.

You will also develop reference designs and application platforms that demonstrate performance, power density, efficiency, and system value for next-generation AI and data center infrastructure. As a recognized technical expert, you will provide guidance to customers and internal teams while helping drive adoption of innovative power conversion technologies.

Specific Responsibilities

• Develop high-frequency power conversion solutions for AI and data center applications using Power Integrations products and technologies.
• Define power architectures and key subsystem requirements for next-generation power delivery systems.
• Create reference designs and application platforms that demonstrate system performance, efficiency, and power density.
• Collaborate with product development teams and customers to solve complex technical challenges and optimize system performance.
• Provide advanced technical support and application guidance to customers worldwide.
• Conduct design analysis, validation, testing, and troubleshooting of high-power switching power supplies.
• Contribute to the evaluation of emerging technologies and market trends to guide future product and application development.

Skills Required

• Deep expertise in high-density, high-frequency power converter design.
• Strong knowledge of AC/DC and DC/DC power conversion architectures.
• Expert understanding of high-frequency magnetics design and optimization.
• Experience performing circuit analysis, design calculations, and worst-case analysis.
• Proficiency with design and simulation tools such as MATLAB, SIMPLIS, LTspice, PLECS, and Excel.
• Strong hands-on laboratory skills testing and debugging switching power supplies.
• Excellent written and verbal communication skills.
• Ability to collaborate effectively across multidisciplinary engineering teams and customer environments.

Background Desired

• Bachelor's or Master's degree in Electrical Engineering or a related field.
• 15+ years of experience in power electronics design and development.
• Proven experience designing high-density server or data center power solutions, including applications above 3 kW.
• Strong understanding of power supply topologies, including:
  • Active Power Factor Correction (PFC)
  • LLC resonant converters
  • Phase-shifted full bridge converters
  • Buck, boost, buck-boost, and flyback converters
• Knowledge of industry standards and modern AI/data center power architectures.
• Experience supporting products from concept through production and post-release support.

Preferred Qualifications

• Experience developing embedded firmware in C/C++ for power supply applications.
• Familiarity with communication protocols such as I²C and PMBus.
• Experience using finite element analysis tools such as ANSYS.
• Knowledge of digital power control and debugging tools for embedded power systems.
• Experience working directly with hyperscale data center, server, or AI infrastructure applications.

Total Rewards Statement

Power 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 to $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 eligible employees a comprehensive total rewards package that includes equity, medical benefits, ESPP, 401(k), tuition reimbursement, and time-off programs. For additional benefits, please visit: https://www.power.com/company/our-sustainability-priorities/people-our-engine-innovation.