Scientist – Radio Frequency Plasma Heating

Updated on 5/17/2024

Commonwealth Fusion Systems

Commonwealth Fusion Systems

501-1,000 employees

Develops compact fusion power plants



Devens, MA, USA

  • PhD in experimental plasma physics or a closely related field
  • 2+ years experience (post degree) working with radio frequency heating or current drive systems in fusion plasmas
  • Experience running experiments on tokamaks, stellarators, or similar plasma confinement devices
  • Experience developing hardware for plasma physics experiments
  • Experience with Python
  • A desire for active participation in tokamak design and operations
  • Simulate the SPARC ICRH antennas to inform their commissioning and operation
  • Contribute to the build and test of prototype ICRH antennas and components
  • Develop commissioning and operation plans and procedures for the ICRH system
  • Inform the implementation of the ICRH control system and operator interfaces
  • Commission the SPARC ICRH system into early plasmas
  • Operate the SPARC ICRH system during Q>1 and high power DT plasmas
  • Study the physics of radio frequency waves in SPARC
  • Provide input to ARC design through simulation and modeling efforts
  • Coordinate a multi-institutional team of collaborators from universities and national labs

Commonwealth Fusion Systems

Commonwealth Fusion Systems


Commonwealth Fusion Systems is leading the charge in developing compact fusion power plants, utilizing cutting-edge high-temperature superconducting magnet technology. This focus allows for quicker and more cost-effective construction of sustainable energy sources. With projects like SPARC, which aims to be the world's first net energy fusion demonstration device, the company not only demonstrates its leadership in the energy sector but also its commitment to addressing climate change through innovative solutions.

Company Stage

Series B

Total Funding



Cambridge, Massachusetts



Growth & Insights

6 month growth


1 year growth


2 year growth



12.5 Company-wide Holidays

Our vacation policy is 'take vacation'

Our sick time policy is 'get better and try not to make others sick'

Generous parental leave policy

Health Reimbursement

Health, Dependent Care, & Limited Purpose Flexible Spending Accounts

Delta Dental, Blue 20/20 Vision optional

Wellbeing / Headspace coverage

Short-term & long-term disability

Life and AD&D insurance