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High Voltage Test Technician

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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:

You will perform high-voltage testing of production assemblies, subsystems, and components critical to Helion's fusion generators. You will implement and troubleshoot test setups, ensuring safety, quality, and throughput targets are met. You will work closely with Design Engineers, Test Engineers, and Production Technicians to validate system performance, identify issues, and continuously improve test execution. This is an onsite role that reports directly to the Production Manager at our Everett, WA office.

You Will:

  • Set up, configure, and execute high-voltage tests on production assemblies and prototypes

  • Troubleshoot electrical and mechanical issues during testing and document findings

  • Operate test equipment, control panels, and data acquisition systems according to defined procedures

  • Follow high-voltage safety protocols and maintain compliance with defined high-voltage handling and grounding standards

  • Collaborate with Design and Test Engineers to review test results and escalate issues or anomalies

  • Support the repair, development, maintenance, and calibration of test fixtures and related equipment

  • Record and report test data accurately, participating in post-test reviews and process improvements

  • Occasionally assist with prototype or experimental testing

Required Skills:

  • 3–5 years of experience in electronics or manufacturing test environments

  • Familiarity with electrical systems and high-voltage safety practices

  • Proven ability to execute detailed test procedures safely and efficiently

  • Hands-on experience in test setup, troubleshooting, and use of electrical measurement tools

#LI-Onsite

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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What this application asks

ashby

Name, Email, Resume, Where are you currently residing? Please list it as a City, State, Country

  • Phone
  • Cover Letter upload · optional
  • LinkedIn Profile optional
  • Website optional
  • Who is your current employer? optional
  • The following questions are intended to help us best support candidates with immigration needs. Are you currently eligible to work in the United States of America? yes / no
  • Do you now or in the future require visa or green card sponsorship to work for Helion Energy in the United States? yes / no
  • This position requires compliance with U.S. export control laws. Under 22 C.F.R. § 120.15, a "U.S. Person" is a U.S. citizen, U.S. national, lawful permanent resident ("green card holder"), or person admitted to the U.S. as an asylee or a refugee. Based on this definition, are you a U.S. Person? yes / no
  • If you are not a U.S Person or are currently a citizen of multiple countries, please provide (1) your country of birth, and (2) the country or countries of which you are a current citizen or national, and if applicable, where you are currently granted lawful permanent resident alien status. If you are a U.S Person please enter N/A.
  • In order for us to create a more inclusive environment, we would like to know what are your pronouns? optional
  • Do you currently or have you in the past worked for Helion Energy? choose one
  • How did you hear about Helion?
  • By typing my legal name below, I certify that I have read and understood the statement and questions above and that the answers that I have provided are true and correct to the best of my knowledge and belief.

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