Principal Electrical Engineer - RF

The role

You will design, implement, and operate advanced RF circuits and diagnostic systems for fusion generators. You will integrate plasma science with high-power electrical engineering to deliver measurements for performance optimization and device development.

What you will do

• Lead the end-to-end design, deployment, calibration, and operation of RF and plasma systems.
• Design, test, and troubleshoot high-voltage electrical systems.
• Develop and integrate electrical measurement hardware into diagnostic platforms.
• Collaborate with plasma physicists, electrical engineers, controls engineers, and data scientists.
• Own the assembly, installation, and commissioning of diagnostic and electrical subsystems.
• Analyze real-time and post-shot electrical and diagnostic data.
• Guide the development of experimental workflows, instrumentation architecture, and internal methodologies.
• Provide technical leadership in strategic planning and cross-functional roadmap discussions.
• Mentor junior scientists and engineers.

Required qualifications

• Advanced degree in Electrical Engineering, Physics, Plasma Science, or a closely related discipline with significant hands-on experimental experience.
• 10+ years of advanced laboratory and experimental engineering experience, including design and deployment of RF systems and high-voltage measurement hardware in plasma, fusion, or comparable environme
• Deep experience in high-voltage electrical systems, including design, test, troubleshooting, and commissioning of pulsed systems and power electronics.
• Demonstrated subject matter expertise with the ability to operate independently, lead cross-disciplinary technical efforts, and provide technical mentorship.
• Strong collaboration, communication, and leadership capability to drive work with engineers, scientists, and technical teams.

Nice to have

• Ph.D. preferred

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.