Senior RF Test Engineer: High-Power RF Systems

Commonwealth Fusion Systems LLC; Northern (KY); Hybrid; USD 110,000 - 185,000; Full time

Benefits offered by this job

Competitive compensation with equity

13 Company-wide Holidays

Flexible vacation days

10 sick days

Generous parental leave policy

Health, dental, and vision insurance

401(k) with employer matching

Professional growth opportunities

Team-building activities

Job summary

Commonwealth Fusion Systems LLC is seeking a Senior RF Test Engineer to take newly architected RF and power electronics from benchtop to full-scale operation. You’ll lead board‑level bring‑up, operate high‑power RF transmitters and HV systems, and drive the integration between hardware and control software in a demanding fusion environment.

The role emphasizes hands‑on execution, meticulous testing, and collaboration with cross‑functional teams to ensure SPARC meets performance and safety goals.

Qualifications

• Bachelor’s degree in Electrical Engineering, Physics, or a related field.
• 7+ years of hands‑on experience testing high‑power RF systems, radar, particle accelerators, electric vehicles, or heavy industrial power electronics.
• Proficiency in C++ and Python, with ability to read code and understand deployments.
• Experience safely working with high voltage components, energy storage, and complex analog/digital circuits.
• Ability to read RF circuit designs and set up automated test environments in high‑power, high‑noise settings.

Responsibilities

• Execute Board-Level Bring-Up: lead power-on, debugging, and validation of PCBAs, embedded controllers, and RF systems.
• Operate RF Transmitters & High Voltage Systems: test high‑power RF transmitters and interface with HV infrastructure.
• Drive Hardware/Software Integration: ensure sensors, timing, and data networks connect with control systems.
• Oversee FAT Fixturing & Operation: design and manage FAT fixtures and validate incoming hardware.
• Develop Procedures & Hand‑Off: translate validation steps into repeatable test procedures and train technicians.

Skills

RF testing

C++

Python

Altium

HV safety

System integration

Troubleshooting

Education

Bachelor's degree in Electrical Engineering

Bachelor's degree in Physics

Tools

Altium Designer

LabVIEW

Oscilloscope

Job description

Commonwealth Fusion Systems LLC is seeking a Senior RF Test Engineer to take newly architected RF and power electronics from benchtop to full-scale operation. You’ll lead board‑level bring‑up, operate high‑power RF transmitters and HV systems, and drive the integration between hardware and control software in a demanding fusion environment.

The role emphasizes hands‑on execution, meticulous testing, and collaboration with cross‑functional teams to ensure SPARC meets performance and safety goals.