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Careers

Build the fuel of the fusion economy.

Kronos is a small, senior team solving fusion as an engineering and commercialization problem. If you want your work to be rigorous, open, and to actually matter — read on.

How we work

Design it right, digitally

We perfect the machine in simulation before we build it — cheaper to find a limit on paper than on a construction site.

Publish the gaps

We show our work, including the physics that isn't solved yet. Intellectual honesty is the job.

Rigor over hype

No fudged numbers, no overclaiming. Reproducibility is a discipline, not a slogan.

Build for the long arc

Kronos is family-owned and built for the horizon fusion actually needs.

Open roles

12 open positions · Los Angeles, CA (hybrid)

Science & Physics
Plasma Physicist — Simulation & Control
Physics · Full-time · Los Angeles, CA (hybrid)
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Neutronics Engineer
Nuclear Analysis · Full-time · Los Angeles, CA (hybrid)
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Fusion Materials Scientist — First Wall & Blanket
Materials · Full-time · Los Angeles, CA (hybrid)
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Magnets & Cryogenics
Superconducting Magnet Engineer (REBCO / HTS)
Magnets · Full-time · Los Angeles, CA (hybrid)
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Cryogenics Engineer — Magnet Cooling
Cryogenics · Full-time · Los Angeles, CA (hybrid)
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Machine & Systems Engineering
Mechanical / Structural Engineer — Vacuum Vessel & Structures
Mechanical · Full-time · Los Angeles, CA (hybrid)
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Direct Energy Conversion Engineer — Burner DEC Train
Power Conversion · Full-time · Los Angeles, CA (hybrid)
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Fuel Cycle & Tritium Systems Engineer
Fuel Cycle · Full-time · Los Angeles, CA (hybrid)
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AI, Software & Compute
AI / ML Controls Engineer — KRONOS-CTRL
AI & Controls · Full-time · Los Angeles, CA (hybrid)
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Simulation Software Engineer — Digital Twin & HPC
Software · Full-time · Los Angeles, CA (hybrid)
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Program & Compliance
Nuclear Licensing & Safety Lead
Licensing & Safety · Full-time · Los Angeles, CA (hybrid)
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Systems / Project Engineer — FOAK Build & Construction Readiness
Program · Full-time · Los Angeles, CA (hybrid)
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Don't see your role? We always want to meet exceptional people — introduce yourself.

How we hire

  1. Apply — the application form and your resume. We read every one.
  2. Intro conversation — your work, our mission, mutual fit.
  3. Technical deep-dive — a real discussion of real problems, not trivia.
  4. Meet the team — the people you'd build with.
  5. Offer — and a clear picture of the arc ahead.
Content reviewed August 2026 · design-and-simulation stage