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CF

Diagnostician

Commonwealth Fusion Systems
Devens, MA
Full Time
Posted March 5, 2026
$110k - $185k
Power Generation
This role may have expired~26 people viewed this recently
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Job Description

About Commonwealth Fusion Systems:

Key Responsibilities

  • Shepherd SPARC diagnostic sub-systems through final design, working with a team of scientists, designers, analysts and engineers
  • Integrate technical input from experts in the SPARC team to ensure diagnostic designs will be usable to achieve SPARC’s mission goals
  • Develop the diagnostic’s assembly, installation, calibration and commissioning plans to ensure SPARC is able to achieve first plasma on-schedule
  • Integrate the diagnostic into the plant-level and real-time plasma control systems
  • Participate in the testing and operation of diagnostic systems that balances learning how to operate SPARC with obtaining physics results as quickly as possible
  • Contribute to a strong safety culture
  • Collaborate with CFS designers and analysts as well as provide feedback to academic partners providing input to SPARC diagnostic designs

Requirements

  • Bachelor’s degree in a relevant engineering field (mechanical, aerospace, civil or nuclear)
  • Participated in the design of a new or upgraded scientific instrument of the scale and complexity of those used in magnetically confined fusion
  • Demonstrated examples of using scientific instruments to support an operational and/or research mission
  • Developed software using Python, Matlab, C++ or equivalent for analysis of experimental data and automation of lab equipment
  • Relevant hands-on knowledge/skills specific to diagnostic systems listed in summary (e.g. vacuum systems, lasers, calibration sources, etc.)
  • Ability to understand concepts and tradeoffs that bridge engineering and physics
  • Ability to occasionally lift up to 50 lbs
  • Perform activities such as climbing, typing, standing, 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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