Principal Power System Engineer (Datacenter)

TL;DR

Principal Power System Engineer (Datacenter) (Power): Developing next-generation high-density power solutions for AI and data center applications with an accent on high-frequency power converter architectures, protection circuits, and reference designs. Focus on solving complex switching power supply challenges to optimize performance, efficiency, density, and reliability for customer-critical systems.

Company

hirify.global develops power solutions and technologies for high-density applications.

What you will do

• Develop innovative high-frequency power converter solutions for AI and data center applications across AC/DC and DC/DC architectures.
• 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 using hirify.global products.
• Develop reference designs and application solutions demonstrating performance, efficiency, and system value for next-generation power architectures.
• Collaborate with product development teams and customers to resolve complex technical challenges and optimize system performance, density, and reliability.
• Act as a technical expert and provide advanced application support to customers worldwide.

Requirements

• Bachelor’s or Master’s degree in Electrical Engineering (or foreign equivalent).
• Minimum 15 years of relevant industry experience.
• Hands-on expertise in high-density, high-frequency power converter design, including server power applications above 3 kW.
• Deep knowledge of power supply topologies (active power factor correction, phase-shifted and LLC resonant converters, buck/boost/buck-boost/flyback) and high-frequency magnetics design.
• Ability to perform complex calculations and worst-case analysis for circuits using hirify.global products.
• Experience with MATLAB, Excel, and simulation tools such as SIMPLIS/LTspice/PLECS, plus lab equipment for testing high-frequency switching power supplies.

Nice to have

• Experience developing firmware in C/C++ for embedded controllers in power supply applications, including firmware guidance.
• Experience with 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 I2C and PMBus.
• Familiarity with tools for debugging power converters with embedded controllers.

Culture & Benefits

• Work on next-generation, high-density power architectures for AI and data center systems.
• Collaborate closely with product development teams and customers to address complex technical challenges.
• Provide advanced technical support and guidance as a subject-matter expert.

Hiring process

• Interviews focused on power converter design depth, system architecture thinking, and hands-on testing/simulation experience.
• Technical evaluation of experience with high-frequency power supplies, calculations/worst-case analysis, and reference design development.

Location: San Jose, California, United States