Helion
Principal Experimental Scientist
$230K–$270K
Everett, WA · On-site · Principal · Full-time · Posted Aug 8, 2025
- Experience
- 10+ years
- Education
- Ph.D. in physics, electrical engineering, aerospace engineering, or a related discipline.
About the job
Leads the design, deployment, and use of plasma diagnostics for Helion’s fusion generators, supporting experiments, operations, and device development.
What you'll do
- Own diagnostic design and deployment, coordinating with cross-functional teams to meet experimental and operational needs.
- Lead assembly, installation, calibration, commissioning, and validation of diagnostics across campaigns and testbeds.
- Analyze diagnostic data to guide operational tuning, performance improvements, and system redesign.
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.
- 10+ years of experience in advanced laboratory environments, with hands-on work involving plasma generation, plasma systems, and UHV vacuum infrastructure.
- Demonstrated use of plasma diagnostic measurements to evaluate plasma parameters and influence system improvements.
- Deep expertise in multiple areas of plasma diagnostics and fusion engineering; able to operate independently as a subject matter expert.
Pay
$230K – $270K (base salary)
Tools
interferometry, spectroscopy, Langmuir probes, magnetic coils, electrostatic diagnostics, UHV vacuum infrastructure
Model-written summary · the original posting is authoritative