Helion
Senior Experimental Scientist
$210K–$250K
Everett, WA · On-site · Senior · Full-time · Posted Jun 1, 2026
- Experience
- 3+ years of relevant experience.
- Education
- Ph.D. in physics, electrical engineering, aerospace engineering, or a related discipline.
About the job
Advances plasma diagnostics for Helion’s fusion generators by designing, deploying, calibrating, and interpreting diagnostic systems across experimental campaigns and testbeds.
What you'll do
- Lead the design, build, deployment, calibration, and commissioning of plasma diagnostic systems.
- Analyze diagnostic data to evaluate plasma behavior and inform operational tuning and performance optimization.
- Collaborate across science and engineering teams and contribute to diagnostic methods and documentation.
What they ask for
- Ph.D. in physics, electrical engineering, aerospace engineering, or a related discipline, focused on plasma science, diagnostics, or high-vacuum instrumentation.
- 3+ years of relevant experience with plasma systems, advanced laboratory environments, high-vacuum systems, pulsed-power systems, or complex experimental hardware.
- Hands-on experience designing, building, calibrating, troubleshooting, or operating plasma diagnostics.
- Ability to independently lead complex technical workstreams while collaborating across science and engineering teams.
Pay
$210K – $250K (base salary)
Tools
interferometry, spectroscopy, Langmuir probes, magnetic coils, electrostatic diagnostics, optical diagnostics
Model-written summary · the original posting is authoritative