Senior Power Electronics Engineer - High-Power Inverters

RFA Engineering

Chillicothe (IL)

On-site

USD 90,000 - 120,000

Full time

6 days ago

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Benefits offered by this job

Health and Dental Insurance

Health Savings Account

Vision Insurance

Life Insurance

Long‑Term Disability

401k / Retirement Savings

Job summary

RFA Engineering is seeking a Senior Electrical Engineer - Power Electronics to support development of high‑power inverter/converter hardware. You will design, validate, and troubleshoot power electronics for medium‑voltage and utility‑scale applications, working with a multidisciplinary team from concept through production.

The role emphasizes DFMEA, reliability, and collaboration with controls, mechanical, and manufacturing teams.

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.