Senior Power Electronics Engineer - High-Power Inverters

Rfamec

Chillicothe (IL)

On-site

USD 90,000 - 120,000

Full time

14 days+

Application generator

An application made for this job — a tailored resume and cover letter that speak straight to the posting.

Get past ATS filters

Benefits offered by this job

Health and Dental Insurance

Health Savings Account

Vision Insurance

401k

Paid Time Off

Paid Holidays

EAP

Education Assistance

Job summary

RFA Engineering is seeking a Senior Electrical Engineer - Power Electronics to support development of advanced medium-voltage and utility-scale power conversion systems. You will design, validate, and troubleshoot hardware for high-power inverter and converter applications, collaborating with multidisciplinary teams onsite at our customer facility.

The role offers full-time employment with a comprehensive benefits package and opportunities for professional growth, direct hire by customers, and

Qualifications

Bachelor's degree in Electrical Engineering with at least five years of experience developing power electronics hardware.
Experience designing and validating inverter, converter, motor drive, battery energy storage, renewable energy, or similar high-power systems.
Strong knowledge of IGBT and SiC power devices, gate driver design, power converter topologies, switching behavior, thermal management, and protection circuits.
Experience designing and debugging power electronics PCB assemblies and performing laboratory validation using high-speed measurement equipment.
Strong analytical, troubleshooting, communication, and cross-functional collaboration skills.

Responsibilities

Design, develop, and troubleshoot power electronics hardware, including gate driver boards, power boards, sensing circuits, and protection circuitry for high-power applications.
Create electrical schematics, review PCB layouts, and select components such as IGBT and SiC power devices, isolated gate drivers, sensors, and power supplies.
Develop and execute validation plans by performing laboratory testing, including double pulse testing, switching characterization, thermal testing, fault analysis, and system commissioning.
Analyze switching performance, power losses, thermal behavior, and protection circuit operation using oscilloscopes, power analyzers, thermal cameras, and other laboratory equipment.
Investigate hardware failures, perform root cause analysis, and implement corrective actions to improve reliability and performance.
Collaborate with controls, mechanical, manufacturing, validation, and supplier teams to support prototype builds, product development, and production readiness while promoting Design for Manufacturability (DFM) and Design for Testability (DFT) best practices.