Power Electronics Test Engineer

About Us Infinitum is revolutionizing electric motors with our patented printed circuit board (PCB) stator technology. We are a pre-IPO company backed by a distinguished group of strategic partners and some of the world’s most influential climate tech funds. With strong traction in shipments and several major customer wins, the market now recognizes the value of our technology and the impact it will have on the future of the industry. We have a world-class R&D organization, an extensive patent portfolio and a strong leadership team which is scaling the company up across all functions. We are headquartered in Austin, TX, and have a state-of-the-art manufacturing facility in Saltillo, Mexico, with room for significant expansion. Increasingly, end customers are willing to pay a premium for solutions featuring “Infinitum Inside.” Our OEM partners are successfully leveraging this differentiation to achieve higher close rates and command greater margins. In short, we believe we have crossed the chasm—introducing breakthrough technology into a traditionally conservative sector. We are now ready to scale our go-to-market team substantially and are seeking team members who are passionate about rapid growth, eager to learn, and excited to tackle the challenges ahead as we make this journey together. About the Role We are looking for a Power Electronics Test Engineer to join our Electronics Team. This role is the critical bridge between our Electronics, Test & Integration, and Manufacturing teams. You will own the testing, debugging, and validation of power conversion systems—from building test benches to diagnosing field failures. Responsibilities Build and operate power electronics test benches Execute functional, performance, and stress testing on motor drives and power products (AC/DC, DC/AC, DC/DC) Perform lab measurements to validate design performance—voltage, current, power, efficiency, switching waveforms, thermal, and EMI Support Manufacturing and Test & Integration teams with hardware troubleshooting Diagnose failed field equipment and conduct root cause analysis Create and execute test plans and procedures Document results, failures, and corrective actions Maintain lab equipment and ensure safe testing practices Required Qualifications Bachelor's degree in Electrical Engineering or related field Coursework or hands-on experience in power electronics Understanding of basic power electronic converters Ability to read and interpret schematics and datasheets Experience with lab equipment: oscilloscopes, multimeters, power supplies, logic analyzers, electronic loads Understanding of electrical safety for high-voltage systems Strong troubleshooting and analytical skills Basic knowledge of PCB design and layout Preferred Qualifications Hands-on experience with motor drives in a lab environment Knowledge of motor drive control theory Lab experience with low-voltage power systems (up to 1000V) Internship/co-op experience in hardware testing Soldering skills (passives, basic ICs) Professional PCB design experience in Altium NI LabVIEW experience Benefits: We have created a community at Infinitum, where everyone feels a sense of belonging and is working together to achieve our goals. Comprehensive Health Coverage (Medical/Dental/Vision) Short-Term & Long-Term Disability Coverage Health Savings Account (HSA) – includes employer contributions. Flexible Spending Account (FSA) & Limited Purpose Flexible Spending Account 401(k) – Traditional and Roth Stock Options Open Paid Time Off (PTO) 12 Paid Holidays Potential Relocation Assistance Flexible schedule – including hybrid possibilities Company Paid Lunch on Fridays Community Give-back Opportunities Infinitum embraces diversity and is an equal opportunity employer. Agency representatives, we appreciate your interest, but we've got this!

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