Principal Power Engineer (Rack Power)

At Jabil we strive to make ANYTHING POSSIBLE and EVERYTHING BETTER. We are proud to be a trusted partner for the world's top brands, offering comprehensive engineering, manufacturing, and supply chain solutions. With over 50 years of experience across industries and a vast network of over 100 sites worldwide, Jabil combines global reach with local expertise to deliver both scalable and customized solutions. Our commitment extends beyond business success as we strive to build sustainable processes that minimize environmental impact and foster vibrant and diverse communities around the globe. Job Summary As a Principal Power Engineer at Jabil, you will serve as a key technical leader, driving the design, development, and validation of advanced AC-DC and DC-DC power conversion solutions optimized for server rack environments. This role demands deep expertise in power electronics and a proven track record of delivering complex power systems to market. --- Job Responsibilities Lead the architecture, design, and development of high-efficiency, high-density AC-DC power supplies and power distribution units (PDUs) for next-generation server rack applications. Perform detailed analysis, modeling, and simulation of power conversion circuits—including PFC, resonant converters, and DC-DC stages—to maximize performance, efficiency, and reliability. Define and implement power system specifications, component selection, and comprehensive test plans to meet stringent industry standards (e.g., OCP, Energy Star, IEC) and customer requirements. Collaborate closely with cross-functional teams—including mechanical, thermal, firmware, and manufacturing—to ensure seamless integration and manufacturability of power solutions. Execute comprehensive power system validation, including functional testing, stress testing, EMI/EMC compliance, and reliability assessments. Drive continuous improvement initiatives in power product design, cost optimization, and manufacturing processes. Mentor junior engineers and provide technical guidance on complex power engineering challenges. Stay at the forefront of emerging technologies and industry trends in power electronics, championing their adoption when strategically beneficial. Serve as the primary technical liaison for customers and suppliers, addressing power-related challenges and driving innovation. Job Qualifications Bachelor’s or Master’s degree in Electrical Engineering with a specialization in Power Electronics; Ph.D. preferred. 10 years of progressive experience in AC-DC power supply design and development, with a strong focus on server, data center, or enterprise-level power solutions. Expert-level knowledge of power conversion topologies, control methods, magnetics design, and component selection (e.g., MOSFETs, IGBTs, capacitors, inductors). Proficiency with power electronics simulation tools (e.g., SPICE, Simplis, MATLAB/Simulink). Strong understanding of EMI/EMC principles and design techniques for compliance. Demonstrated experience with regulatory compliance and safety standards (e.g., UL, CE, CCC). Familiarity with advanced cooling techniques for high-power-density applications. Experience with firmware/software aspects of power supply control is a plus. Exceptional problem-solving and critical-thinking abilities, with meticulous attention to detail. Strong written and verbal communication skills, capable of clearly articulating complex technical concepts. Ability to work independently and collaboratively in a fast-paced, dynamic environment. 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