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:
As a Mechanical Engineering Intern at Helion you'll be at the forefront of fusion technology development. Helion internships are designed to give real ownership to help train the next generation of fusion engineers. You'll collaborate on R&D efforts, explore potential system upgrades to enhance overall performance, and contribute fresh ideas as we work on next-generation machines. This internship will require solving engineering problems critical to deploying fusion energy to the world. This is a 12-week onsite internship at our Everett, WA office.
You Will:
Own and understand designs across subsystems in fields including electromagnetics, structures, fluids, thermal, and control systems
Learn from historical engineering approaches, design novel hardware, and test your solutions
Fix hardware issues as they arise on integrated fusion generators
Apply both engineering first-principles and method-based thinking to challenging problems
Learn from experts to expand your engineering skillset and domain knowledge
Required Skills:
Ability to work full time, onsite in Everett, WA for a minimum of 12 consecutive weeks during summer 2027
Graduation date of Winter 2027 or Spring 2028
Currently enrolled in a Bachelor’s degree in Mechanical Engineering or related field
GPA of 3.0 or above
Hands-on exposure to a variety of engineering disciplines (e.g. mechanical, electrical, fluids)
Experience with 3D CAD software (e.g. NX, SolidWorks) and GD&T
Base Pay:
$48 / hour
#LI-Onsite #LI-KL1
Skills Required
- Ability to work full time onsite in Everett, Washington, for at least 12 consecutive weeks during summer 2027
- Graduation date in Winter 2027 or Spring 2028
- Currently enrolled in a Bachelor's degree program in Mechanical Engineering or a related field
- Minimum GPA of 3.0
- Hands-on exposure to multiple engineering disciplines, such as mechanical, electrical, and fluids
- Experience with 3D CAD software such as NX or SolidWorks and GD&T
Helion Energy Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Helion Energy and has not been reviewed or approved by Helion Energy.
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Fair & Transparent Compensation — Compensation is considered competitive for many roles, with employer materials emphasizing competitively benchmarked pay. Total rewards commonly include salary plus equity and benefits that align with market expectations.
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Healthcare Strength — Health coverage includes medical, dental, and vision with options for fully employer‑paid premiums, HSA support, and core protections like life and disability. This breadth signals robust medical benefits for a growth‑stage company.
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Equity Value & Accessibility — Equity is broadly offered through stock options for all employees, positioning ownership as a meaningful part of total rewards. Employer communications consistently highlight equity participation as a differentiator.
Helion Energy Insights
What We Do
Helion is a fusion power company based in Everett, WA, with the mission to enable a future with unlimited clean energy. Our vision is a world with clean, reliable, and affordable electricity for everyone. Currently, we are scaling up our latest fusion prototype to make our vision a reality. We’re hiring brilliant scientists, engineers, and builders passionate about developing world-changing technologies. If that sounds like you, check out our open positions.








