Principal Experimental Scientist

The role

You will lead the plasma diagnostic effort of Helion's fusion generators. This involves designing, deploying, and commissioning a suite of plasma diagnostics while analyzing data to optimize plasma behavior.

What you will do

• Own the end-to-end design and deployment of a comprehensive suite of plasma diagnostics
• Integrate cross-disciplinary technical input from experts across Helion
• Lead the hands-on execution of assembly, installation, calibration, and commissioning processes
• Develop foundational expertise in pre-ionization plasma diagnostics
• Analyze diagnostic data in real time to extract actionable insights
• Partner with leadership to contribute to strategic planning and long-term technical vision

Required qualifications

• Ph.D. in physics, electrical engineering, aerospace engineering, or a related discipline, with a focus on plasma science, diagnostics, or high-vacuum instrumentation
• 10+ years of experience working in advanced laboratory environments
• Extensive hands-on work involving plasma generation, plasma systems, and UHV vacuum infrastructure
• Demonstrated track record using diagnostic measurements to evaluate plasma parameters
• Deep expertise and unique domain knowledge in multiple areas of plasma diagnostics and fusion engineering
• Recognized as a subject matter expert who operates independently

Benefits

• Medical, Dental, and Vision plans for employees and their families
• 31 Days of PTO (21 vacation days and 10 sick days)
• 10 Paid holidays, plus company-wide winter break
• Up to 5% employer 401(k) match
• Short term disability, long term disability, and life insurance
• Paid parental leave and support (up to 16 weeks)
• Annual wellness stipend

About the company

Helion is a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant. The company has raised $1.5 billion from various investors to develop fusion energy.