Sr. Power Electronics Validation Engineer

Job Description

ARi, headquartered in East Peoria, IL, USA, is a rapidly expanding global engineering enterprise. The essence of our "i" symbolizes our distinctiveness from competitors - an embodiment of innovation, intelligence, ingenuity, and insight. Boasting a diverse team of over 1,500 engineering experts hailing from various nations and cultures across the globe, we are excellently poised to provide intricate and personalized resolutions to our esteemed clients.
Duties and Responsibilities

• Perform lab testing, root-cause analysis, and failure investigation for field issues; develop and implement corrective solutions.
• Plan and execute validation activities including test setup, fixture development, data acquisition, analysis, and reporting.
• Review engineering drawings, specifications, and technical requirements; collaborate with process partners to update prints and ensure design accuracy.
• Drive cost-reduction initiatives through sample validation, supplier evaluation, and collaboration with Supplier Development Engineers (SDEs) and purchasing teams.
• Apply quality methodologies such as CPI, FMEA, APQP, and PPAP to ensure robust product performance and reliability.
• Coordinate closely with cross-functional teams including SMEs, NPI/NTI leads, test engineers, manufacturing, and suppliers to support testing and production activities.

Education / Experience

• Bachelor's degree in Electrical Engineering required.
• Master's degree with a focus on Power Electronics preferred (minimum 6 years experience with M.S.).
• Approximately 8 years of relevant experience in power electronics, inverter testing, or related fields.
• Prior experience in roles such as Power Electronics Component Design Engineer or Power Converter Product Maintenance Engineer is highly desirable.
• Internship experience will not be considered as qualifying experience.

Required Skills

• Strong understanding of electric drivetrain inverters, including topology, control, design, and manufacturing processes.
• Hands-on experience in testing and troubleshooting high-voltage, high-power traction inverters.
• Proficiency in test planning, execution, and coordination including fixtures, instrumentation, and validation processes.
• Experience with lab equipment such as oscilloscopes, HV probes, current transducers, data loggers, thermal chambers, and power supplies.
• Strong analytical skills using tools such as Python, MATLAB, Excel, and JBER for data processing and reporting.
• Knowledge of industry standards such as IPC 600/650 and IEC 60204/60664/61557.
• Experience with engineering drawing review, GD&T interpretation, and specification management.
• Familiarity with root-cause analysis, CPI processes, and hands-on troubleshooting techniques.

Soft Skills

• Strong collaboration and communication skills with the ability to work across cross-functional and global teams.
• Self-starter with the ability to take ownership, identify issues, and drive actions independently.
• Ability to quickly learn and understand existing in-production inverter designs.
• Proficient in Microsoft Office tools (Excel, Word, PowerPoint, Outlook).
• Ability to lead discussions, facilitate problem-solving sessions, and work effectively in a matrix organization.

The Benefits of Working at ARi

At ARi, our commitment to our employees goes beyond the workplace, ensuring comprehensive benefits. From day one, full-time employees enjoy group health, dental, and life insurance coverage. Additionally, vision coverage is accessible starting the following month.

Recognizing the significance of rejuvenation, we provide paid time off, sick days, company holidays, and maternity/paternity leave to our full-time staff. In times of loss, we also offer bereavement support. Furthermore, a

401(k) program is maintained for eligible employees.