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Molten Salt Engineer

Commonwealth Fusion SystemsDevens, MA

$107,000–160,000/yr

Posted Oct 14, 2026

What you’d do

Build and run in-house experimental setups for molten salt work, including fabrication, testing, calibration, and salt characterization. Support in-loop testing of salt-compatible components and coordinate with vendors and internal teams on chemical hazards. Found on the employer's careers page on Oct 18, 2026. Apply through the link.

You’ll need

  • BS in Chemistry, Chemical, Materials or Nuclear Engineering or related field
  • 5+ years of experience in an R&D environment
  • Experience with R&D work in a chemical laboratory
  • Experimental design and analysis experience
  • Familiarity with chemical hazards such as beryllium

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