<div>About HelionWe 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 over $1 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors SoftBank and Lightspeed to propel us forward. Our last prototype, Trenta, completed 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). We are now operating Polaris, our next prototype on the path to the world's first fusion power plant. 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.</div> What You Will Be Doing:You will commission, operate, test, and evaluate process equipment for Helion’s fusion fuel cycles. You will support Polaris operations and lead testing of technologies including permeation membranes, cryogenic pumps, metal foil pumps, cryogenic distillation columns, and thermal diffusion columns. You will report to the Fuel Cycle Operations Lead and this is an onsite role located at our Everett, WA office.You Will:<ul><li>Perform operations supporting Polaris including fueling, exhaust processing, and purification</li><li>Be trained as a Tritium Authorized User to safely handle and work around tritium</li><li>Learn and become the subject matter expert on new process equipment</li><li>Lead equipment handoff from design to operations teams during commissioning</li><li>Identify scalability criteria, design test campaigns, collect data, and evaluate performance</li><li>Communicate findings at biweekly meetings to inform design iterations and testing strategies</li></ul>Required Skills:<ul><li>Bachelor’s degree in Chemical, Nuclear, or Mechanical Engineering, Physical Sciences, or equivalent experience</li><li>5+ years of hands-on experience operating and testing process equipment at bench or pilot scale</li><li>Strong understanding of heat and mass balances, fluid flow, instrumentation, controls, safety systems, and process schematics (P&amp;IDs and PFDs)</li><li>Demonstrated experience designing and executing test campaigns to generate key data and evaluate system behavior</li></ul>#LI-Onsite #LI-TM1<div><div><div>Total Compensation and BenefitsHelion's compensation package includes a competitively benchmarked base salary, meaningful equity grants, and comprehensive benefits. Final compensation is determined through a holistic evaluation of your experience, qualifications, and our commitment to internal equity - ensuring fairness and transparency across our teams. We are committed to fostering a fair and equitable environment in every aspect of our operations, including compensation.This is an exempt salaried role.</div><div>Annual Base Pay</div><div>$100,000—$135,000 USD</div></div></div><div>BenefitsOur 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.</div>

Helion is 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. Currently, we are scaling up our latest fusion prototype to make our vision a reality. We&rsquo;re hiring brilliant scientists, engineers, and builders passionate about developing world-changing technologies.
If that sounds like you, check out our open positions.

Fuel Cycle Operations Engineer

<div>About HelionWe 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.&nbsp;Since Helion's founding in 2013, we have raised over $1 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors SoftBank and Lightspeed to propel us forward. Our last prototype, Trenta, completed 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). We are now operating Polaris, our next prototype on the path to the world's first fusion power plant.&nbsp;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.</div>&nbsp;What You Will Be Doing:You will commission, operate, test, and evaluate process equipment for Helion’s fusion fuel cycles. You will support Polaris operations and lead testing of technologies including permeation membranes, cryogenic pumps, metal foil pumps, cryogenic distillation columns, and thermal diffusion columns. You will report to the Fuel Cycle Operations Lead and this is an onsite role located at our Everett, WA office.You Will:<ul><li>Perform operations supporting Polaris including fueling, exhaust processing, and purification</li><li>Be trained as a Tritium Authorized User to safely handle and work around tritium</li><li>Learn and become the subject matter expert on new process equipment</li><li>Lead equipment handoff from design to operations teams during commissioning</li><li>Identify scalability criteria, design test campaigns, collect data, and evaluate performance</li><li>Communicate findings at biweekly meetings to inform design iterations and testing strategies</li></ul>Required Skills:<ul><li>Bachelor’s degree in Chemical, Nuclear, or Mechanical Engineering, Physical Sciences, or equivalent experience</li><li>5+ years of hands-on experience operating and testing process equipment at bench or pilot scale</li><li>Strong understanding of heat and mass balances, fluid flow, instrumentation, controls, safety systems, and process schematics (P&amp;IDs and PFDs)</li><li>Demonstrated experience designing and executing test campaigns to generate key data and evaluate system behavior</li></ul>#LI-Onsite #LI-TM1<div><div><div>Total Compensation and BenefitsHelion's compensation package includes a competitively benchmarked base salary, meaningful equity grants, and comprehensive benefits. Final compensation is determined through a holistic evaluation of your experience, qualifications, and our commitment to internal equity - ensuring fairness and transparency across our teams. We are committed to fostering a fair and equitable environment in every aspect of our operations, including compensation.This is an exempt salaried role.</div><div>Annual Base Pay</div><div>$100,000—$135,000 USD</div></div></div><div>BenefitsOur total compensation package includes benefits, including but not limited to:&nbsp;• &nbsp; &nbsp;Medical, Dental, and Vision plans for employees and their families&nbsp; • &nbsp; &nbsp;31 Days of PTO (21 vacation days and 10 sick days)&nbsp; • &nbsp; &nbsp;10 Paid holidays, plus company-wide winter break&nbsp; • &nbsp; &nbsp;Up to 5% employer 401(k) match&nbsp; • &nbsp; &nbsp;Short term disability, long term disability, and life insurance&nbsp; • &nbsp; &nbsp;Paid parental leave and support (up to 16 weeks)&nbsp; • &nbsp; &nbsp;Annual wellness stipend &nbsp;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.</div>

Fuel Cycle Operations Engineer

About the Job

About the Company

Helion

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