Commonwealth Fusion Systems
RF Electronics Engineer
$107K–$160K
Devens, MA · On-site · Full-time · Posted Sep 22, 2026
- Experience
- 5+ years of hands-on experience designing power electronics, control boards, or RF support circuitry.
- Education
- Bachelor’s degree in Electrical Engineering or a related field.
- Visa sponsorship
- Offers are contingent on compliance with U.S. export control laws.
About the job
Designs, tests, and integrates RF and power electronics, taking custom hardware from prototype bring-up through operation in SPARC’s high-power RF system.
What you'll do
- Design control boards, power supplies, and sensing circuits, and model electronics and power systems.
- Coordinate with engineering teams and vendors to specify and integrate hardware.
- Assemble and bring up prototypes, then validate their performance in the integrated RF system.
What they ask for
- Bachelor’s degree in Electrical Engineering or a related field.
- 5+ years of hands-on experience designing power electronics, control boards, or RF support circuitry.
- Hands-on experience with circuit simulation software such as SPICE.
- PCB design skills using Altium or similar software, plus modeling proficiency for electronics architecture and EMI/EMC.
Nice to have
- Experience with high-voltage systems, RF systems, thermal management, requirements engineering, or manufacturing specifications.
- Systems-level understanding of embedded digital controllers and high-speed communications.
Pay
USD 107,000–160,000 (per-year-salary) base salary
Tools
SPICE, Altium
Model-written summary · the original posting is authoritative