Senior RF Test Engineer
Commonwealth Fusion SystemsDevens, MA
Full Time
Posted September 11, 2026
$110k - $185k
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Job Description
About Commonwealth Fusion Systems:
Key Responsibilities
- Execute Board-Level Bring-Up: Lead the initial power-on, debugging, and validation of custom printed circuit board assemblies (PCBAs), embedded digital controllers, and low-level electronics, focusing heavily on the integration of these boards into working modular solid-state RF systems
- Operate RF Transmitters & High Voltage Systems: Safely run and test high-power RF transmitters with a primary focus on validating and troubleshooting complex RF behaviors. You will also safely interface with, and occasionally troubleshoot, the supporting high-voltage infrastructure and large-scale supercapacitor banks
- Drive Hardware/Software Integration: Bridge the gap between physical electronics and control software, ensuring that measurement circuits, timing systems, and sensors interface seamlessly with SPARC’s central data collection and control networks
- Oversee FAT Fixturing & Operation: Design, assemble, and manage the fixturing for Factory Acceptance Testing (FAT). You will oversee the execution of these tests to validate that incoming hardware meets stringent performance and safety criteria
- Develop Procedures & Hand-Off: Translate complex engineering validation steps into clear, repeatable test procedures, ultimately training and handing off routine testing and steady-state operations to engineering technicians
Requirements
- Ability to lift up to 50lbs
- Perform activities such as stooping, climbing, standing, typing or sitting for extended periods of time
- Willingness to travel or work required nights/weekends/on-call occasionally
- Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics
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