Senior Experimental Scientist
$210,000–$250,000 year
On-site · Everett, Washington, United States
Job Summary
Lead the design, deployment, calibration, and commissioning of plasma diagnostic systems for Helion’s fusion generators; analyze diagnostic data in real time to extract actionable insights, inform operational tuning, and drive performance optimization; collaborate cross-functionally with plasma physics, machine operations, controls, mechanical/electrical engineering, and data science teams; develop foundational expertise and best practices for pre-ionization plasma diagnostics to guide next-generation fusion device development optimized for energy gain and power conversion; contribute to documentation and internal methods to improve consistency, reliability, and scalability across experimental programs.
Required Qualifications
- Ph.D. in physics, electrical engineering, aerospace engineering, or related discipline with focus on plasma science, diagnostics, or high-vacuum instrumentation
- 3+ years of relevant experience with plasma systems, high-vacuum/pulsed-power/experimental hardware
- hands-on experience designing, building, calibrating, troubleshooting, or operating plasma diagnostics (interferometry, spectroscopy, Langmuir probes, magnetic coils, electrostatic/optical diagnostics)
- ability to independently lead complex technical workstreams and collaborate across science and engineering teams
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