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Helion Energy

60 Helion Energy Intern - Business Development Jobs Hiring Near You

Helion Energy

High Voltage Test Technician

Everett, WA · On-site

$24.25 - $33.25/hr

Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helion ... Support the repair, development, maintenance, and calibration of test fixtures and related ...

Helion Energy

Manager, Nuclear Engineering

Everett, WA · On-site

$180K - $220K/yr

Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helion ... development * Manage the performance of nuclear engineers and conduct hiring actions to build the ...

Helion Energy

Process Engineer, Fuel Cycle

Everett, WA · On-site

$138K - $182K/yr

Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helion ... Use process simulation tools to support design development, integration, and case studies * Produce ...

Helion Energy

Senior Director of Build

Everett, WA · On-site

$249K - $291K/yr

Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helion ... Strong business and technical foundation, including financial and operational management (CapEx ...

Helion Energy

Build Engineer

Everett, WA · On-site

$138K - $182K/yr

Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helion ... integrated development testbeds and fusion generators. You will work closely with design ...

Helion Energy

Manufacturing Engineer

Everett, WA · On-site

$117K - $138K/yr

Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helion ... Help develop new business processes such as non-conformance management, process control, process ...

Helion Energy

Senior Manufacturing Engineer

Everett, WA · On-site

$182K - $214K/yr

Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helion ... Help develop new business processes such as non-conformance management, process control, process ...

Helion Energy

Procurement Manager

Everett, WA · On-site

$159K - $196K/yr

Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helion ... Partner with Engineering, IT, Finance, Legal, and other stakeholders to define business ...

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Infographic showing various Intern - Business Development job openings at Helion Energy in the United States as of August 2026, with employment types broken down into 99% Full Time, and 1% Contract. Highlights an 100% Physical job distribution.

Principal Experimental Scientist - RF

Helion Energy

Everett, WA • On-site

$230K - $270K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 28 days ago

Job description

About Helion
We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone.
Since Helion's founding in 2013, we have raised $1.5 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors including Thrive Capital, LightSpeed Venture Capital, SoftBank, and others to propel us forward. Our current prototype, Polaris, has reached record-breaking plasma temperatures of 150 million degrees Celsius (13 keV). Helion is continuing to iterate and on the path to the world's first fusion power plant, Orion.
This is a pivotal time to join Helion. You will tackle real-world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths - values essential to achieving what no one has before. Together, we will change the future of energy, because the world can't wait.
What You Will Be Doing:
Helion is hiring a Principal Experimental Scientist to lead the development of our RF pre-ionization capability for Helion's fusion generators. In this role, you will own the strategy, technical direction, and execution of RF plasma source development for our FRC system, translating plasma physics goals into robust experimental hardware and operational capability. You will develop, optimize, and validate high-performance RF systems to achieve target plasma density, stability, and coupling efficiency, while defining the diagnostic and experimental approach needed to measure and improve performance. As a principal-level scientist, you will integrate cross-functional input from plasma physics, controls, machine operations, electrical engineering, and data science to mature RF pre-ionization from experimental concept into reliable platform capability. You will also help establish Helion's long-term technical roadmap and internal best practices for RF-driven plasma startup and next-generation machine development. This is an onsite role reporting directly to our Director of Plasma and Nuclear Science in Everett, WA.
You Will:
  • Own the end-to-end technical development of Helion's RF pre-ionization capability for FRC startup, including concept development, experimental design, execution, validation, and performance improvement
  • Lead hands-on experimental work spanning RF hardware, antenna and coupling design, plasma diagnostics, and operational procedures to deliver repeatable plasma startup performance
  • Develop and optimize high-performance RF plasma source systems to achieve targeted plasma density, stability, and coupling efficiency
  • Define and deploy the diagnostic strategy needed to characterize RF-driven plasma formation, coupling behavior, and startup performance, ensuring high-fidelity data and actionable insight
  • Integrate cross-disciplinary technical input across plasma physics, machine operations, controls, electrical engineering, and data science to align RF development with Helion's machine roadmap
  • Partner with technical leadership on strategic planning, long-range roadmap development, and identification of new RF/plasma startup concepts for future Helion systems

Required Skills:
  • Ph.D. in physics, plasma physics, electrical engineering, aerospace engineering, or a related discipline with strong relevance to RF plasma systems, plasma sources, or fusion experimentation
  • 10+ years of experience in advanced laboratory or R&D environments, including substantial hands-on work with plasma generation systems, RF hardware, vacuum systems, and experimental campaign execution
  • Deep expertise in RF plasma source development, antenna/coupling design, RF-plasma interactions, or related high-energy plasma hardware
  • Strong background in plasma diagnostics and data interpretation, with experience using measurement systems to evaluate plasma parameters such as density, temperature, stability, coupling, and current behavior
  • Demonstrated track record of independently leading complex experimental programs from concept through validation, including cross-functional technical coordination and translation of results into system improvements
  • Recognized subject matter expertise in one or more areas relevant to RF-assisted plasma startup, pre-ionization physics, experimental plasma systems, or fusion-enabling hardware

Benefits
Our total compensation package includes benefits, including but not limited to:
  • 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

Helion is an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need assistance or an accommodation during the interview process, please let us know.

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