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Strong fit if you already lead RF plasma-heating science and want on-site fusion R&D in Devens (not remote). Thin formal occupation/salary/cert data here—lean on your RF heating and tokamak-adjacent track record.
As Principal Scientist for RF plasma heating at Cfsenergy in Devens, expect hands-on and modeling work on radio-frequency systems that heat fusion plasmas: antenna/coupler design, power coupling, diagnostics, and experiments that feed the company’s commercial fusion timeline. Days mix lab/test campaigns, analysis, and cross-team reviews with magnet, plasma, and plant engineering groups.
No. The listing is on-site in Devens, MA (remote flag is 0).
Commercial fusion energy, with recent funding and partnerships highlighted in Commonwealth Fusion Systems news.
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Principal Scientist - Radio Frequency Plasma HeatingCFSenergyDevens, MAFull Time, No Remote Position Summary We are seeking an enthusiastic experimental RF Scientist/Engineer to join our team and operate the SPARC ion cyclotron heating system while studying RF physics/engineering in both SPARC and ARC. The SPARC tokamak aims to be the first magnetic confinement device to achieve net energy, with predictions of up to Q=11 in DT, producing 140 MW of fusion power. As a Principal Scientist - Radio Frequency Plasma Heating, you will play a crucial role in advancing our mission to deliver urgent transition to fusion energy. Your Responsibilities Operate the SPARC ion cyclotron heating system and study RF physics/engineering within the tokamak environment. Contribute to the development of the 120 MHz, 25 MW (coupled) Ion Cyclotron Resonance Heating (ICRH) system through an array of 14 4-strap ICRH antennas. Support the Ion Cyclotron Discharge Cleaning (ICDC) System, which provides one of several mechanisms to clean and condition surfaces within the Tokamak confinement vessel, including boronization of plasma facing components. Qualifications Ph.D. in Physics or related field with a focus on RF plasma heating techniques. Proven experience in operating and maintaining ion cyclotron resonance heating systems. Strong background in RF physics, plasma diagnostics, and tokamak operations. Prior experience in experimental research and development in fusion energy is highly desirable. Excellent problem-solving skills and ability to work effectively in a team environment. About the Company Commonwealth Fusion Systems (CFS) is dedicated to delivering the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we are designing and building commercially viable fusion power plants. We work closely with policymakers, suppliers, and many others to build the energy industry of the future. Since 2018, CFS has raised $4 billion in capital, making us the largest and leading fusion company globally. Next Steps To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.
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