Sr. Power Electronics Engineer

Company: Illinois Tool Works
Location: Appleton
Posted on: February 22, 2026

Job Description:

If you’re seeking a long-lasting career at a company that designs some of the most dynamic power sources in the world, then Miller has what you are looking for. We are looking for a highly motivated individual for the position of Senior Power Electronics Engineer focused on hardware design of our welding products. These systems contain multiple power converters from 5W to 15KW for weld power, PFC, motor drive, housekeeping, and auxiliary power. This position requires a highly motivated individual with exceptional technical, leadership, communication and interpersonal skills to work collaboratively with engineering, operations/manufacturing, customer support, and marketing team members to efficiently innovate and support our product portfolio. How you will make an impact: Lead innovation in Power Electronics to maintain Miller Electric’s position as the world leader in welding power sources. Develop and maintain products that generate tens of millions of dollars of revenue annually. Mentor and be mentored to assimilate into a world class Engineering community. Actively submit patents to protect the intellectual property of the company. Use your enthusiasm for Engineering to develop your skills and grow the skills of others. Challenge the status quo with confidence and purpose. What you need to be successful in this role: Strong technical skills – A solid background in multi-KW power supply design. Good working knowledge of Mosfet, IGBT, GaN, and SiC devices. Understanding of multiple power topologies such as Buck, Boost, Full Bridge, Flyback, and Forward converters/inverters. Experience in magnetics design and PCBA manufacturing is a definite plus. Strong business acumen – Appreciation for manufacturing, service, finance, and regulatory-heavy environments to guide you to make the best design decisions. Roll up your sleeves attitude – Charish your time in the lab and love to see your designs working. Go well beyond simulation. Build/modify circuits in our well-equipped solder lab. If you work on home projects or get your hands dirty with your hobbies, you’ll feel right at home. Strategic mindset – Anticipate future trends, while translating those insights into actionable strategy. Excellent communication skills – The ability to effectively communicate and connect with individuals at all levels of the organization. Minimum education and experience: Bachelor’s Degree in Electrical Engineering with at least 7 years of power electronics experience Full understanding of various power supply topologies Experience with power semiconductor selection and testing Experience in mixed-signal embedded hardware design including signal conditioning for high-speed/precision signals in a power conversion setting, signaling across multiple insulation boundaries, and gate driver power supplies Knowledge of PCBA manufacturing process This individual must be a self-starter and have strong analytical and problem-solving skills Candidate must be a team player with a positive attitude and a desire to lead team projects. Why ITW Welding? At ITW Welding, we’re not just a place to work – we’re a community that empowers you to grow and make a real impact. Join us and build a career that makes a difference! Here are some benefits we offer to help you build the future you want: Generous Retirement Benefits – 401(k) match PLUS an additional retirement contribution to help you plan for the future. Paid Time Off – 11 paid holidays, 5 sick days, and vacation time to take time for what matters. Company-Paid Insurance – Life, AD&D, Short-Term &Long-Term Disability insurance to give you peace of mind. Family-Friendly Benefits – 4 weeks of paid parental leave and adoption reimbursement to support your family journey. Education Assistance – tuition reimbursement, because we believe in investing in your personal and professional development. Company Description: Comprised of a market-leading portfolio of best-in-class brands, the businesses of ITW Welding work together to provide premium performance delivered through a breadth of solutions encompassing welding, cutting, consumables, and accessories. ITW Welding North America represents Miller Electric Welding Equipment, Safety & Accessories, Hobart Filler Metals, and Bernard /Tregaskiss MIG Guns. Miller Electric Mfg. LLC, is headquartered in Appleton, Wisconsin, and wholly owned by Illinois Tool Works (NYSE: ITW). The company maintains its industry leadership by setting the standard for reliability, quality and responsiveness. Our tagline, “The Power of Blue®,” is inspired by the blue color of Miller equipment. The company began with an innovation that responded to customer needs, growing from a one-man operation in 1929, to the world’s largest manufacturer of arc welding products. Miller keeps the tradition alive by focusing on its top priority: people. ITW is an equal opportunity employer. We value our colleagues’ unique perspectives, experiences and ideas and create workplaces where everyone can develop their careers and perform to their full potential. As an equal employment opportunity employer, ITW is committed to equal employment opportunity and fair treatment for employees, beginning with the hiring process and continuing through all aspects of the employment relationship. All qualified applicants will receive consideration for employment without regard to race, color, sex, gender identity, sexual orientation, religion, national origin, age, disability, protected Veteran status or any other characteristic protected by applicable federal, state, or local laws.

Keywords: Illinois Tool Works, Waukesha , Sr. Power Electronics Engineer, Engineering , Appleton, Wisconsin