Power Electronics Engineer - R&D, Pewaukee​/Milwaukee, WI

Who We Are

Delta, founded in 1971, is a global leader in switching power supplies and thermal management products with a thriving portfolio of smart energy‑saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage and display, to nurture the development of smart manufacturing and sustainable cities. As a world‑class corporate citizen guided by its mission statement, “To provide innovative, clean and energy‑efficient solutions for a better tomorrow,” Delta leverages its core competence in high‑efficiency power electronics and its ESG‑embedded business model to address key environmental issues, such as climate change.

Delta serves customers through its sales offices, R&D centers and manufacturing facilities spread over close to 200 locations across five continents. Delta has 158 sales offices, 72 R&D centers and 48 manufacturing facilities worldwide.

Throughout its history, Delta has received various global awards and recognition for its business achievements, innovative technologies, and dedication to ESG. Since 2011, Delta has been listed on the DJSI World Index of Dow Jones Sustainability™ Indices for 11 consecutive years. In 2021, Delta was also recognized by CDP with leadership level ratings for its substantial contribution to climate change and water security issues and named Supplier Engagement Leader for its continuous development of a sustainable value chain.

At Delta, we’re leading the energy transition with innovative solutions in solar inverters, energy storage systems, and EV charging infrastructure. Our technologies are helping utilities, businesses, and communities decarbonize and build resilient, intelligent energy ecosystems. Join us in creating a cleaner, smarter energy future.

Delta Electronics (Americas) Ltd. is seeking a highly motivated and creative Power Electronics Engineer with broad knowledge and experience to perform R&D projects for the next‑generation datacenter power solutions and extreme fast DC charging. You will be working at Milan M. Jovanović Power Electronics Lab, located in Research Triangle Park, NC. ()

• Performing advanced research, development, and testing of power electronics technologies for high power, medium voltage applications
• Working closely with R&D and product development teams to propose new power solutions, analyze trade‑offs and run test verification
• Building and maintaining technical competency in high power electronics for medium voltage systems

• M.S. degree or Ph.D. degree in Electrical Engineering
• Fresh and experienced candidates are welcome to apply.
• Prospective candidates should possess excellent analytical, organizational, interpersonal, and communication skills.
• You must be self‑motivated and able to work independently as well as collaborate with other team members locally and abroad.
• Deep knowledge in circuit topologies, soft‑switching techniques, modeling and control of various types of power converters
• Hands‑on experience in designing, debugging, and testing power converters
• Familiarity with control theory and implementation using digital controllers
• Proficiency in power‑electronics simulation tools such as: MATLAB/Simulink, SIMPLIS, PLECS, and MathCAD
• Solid understanding of high frequency magnetic component design and multi‑physics simulation tools
• Knowledge on high voltage insulation concepts and e‑field mitigation techniques

• Solid understanding of multi‑level converter and its applications
• Solid understanding of wide band gap power semiconductor device characteristics, driving circuitry and protection
• Familiarity with power architectures for EV…