Senior RF Test Engineer
Commonwealth Fusion Systems · On-site
MeritLog read this listing from Commonwealth Fusion Systems's Lever job board and last checked it on September 12, 2026.
Source: the employer's Lever job board. Open the original listing for current details.
Job details
- Work model
- On-site
- Salary
- $110,000 - $185,000
- Location
- Devens, MA
Hiring context
How this role compares at Commonwealth Fusion Systems
Commonwealth Fusion Systems has 104 live roles in MeritLog’s catalog across 7 job families, and 65 of them are in engineering. 104 of those listings publish a pay range, a disclosure rate of 100%.
This role's posted range of $110,000 - $185,000 sits above 37% of the 70 other Commonwealth Fusion Systems roles quoted over the same currency and period.
Commonwealth Fusion Systems concentrates this hiring in:
Counted across the job boards MeritLog tracks, at the time this page was served. Pay comparisons use only listings that publish a complete range in the same currency and period.
Job description
About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future. We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world. Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team. If that’s you and this role fits, we want to hear from you. Join the power movement as a Senior RF Test Engineer SPARC sustains fusion reactions by feeding >25MW of 120MHz RF power into the tokamak to heat the plasma to 100 million Kelvin. We need an RF Test Engineer to play a pivotal role in validating and testing the electronics and control systems that power the most ambitious RF plant in the world. At this level, you are a hands-on executor and technical problem solver. You will be directly responsible for taking newly architected RF and power electronics from the benchtop to full-scale operation. Your day-to-day will span board-level bring-up, operating high-power RF transmitters, and integrating hardware with software controls to ensure SPARC achieves net energy. For more information on the SPARC RF plant, see the SPARC journal papers here: Overview of the SPARC tokamak Physics basis for the ICRF system of the SPARC tokamak
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