Mechanical Engineering Summer 2027 Intern

helion· Mechanical Engineering
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📍 Everett, WAIntern💰 USD 48–48

About this role

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

#LI-Onsite #LI-KL1

Frequently Asked Questions

What is the salary for the Mechanical Engineering Summer 2027 Intern role at helion?
The listed salary for this Mechanical Engineering Summer 2027 Intern position at helion is USD 48–48. This is an Intern role.
Where is the Mechanical Engineering Summer 2027 Intern position at helion located?
This Mechanical Engineering Summer 2027 Intern role at helion is based in Everett, WA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Mechanical Engineering Summer 2027 Intern role at helion full-time or part-time?
This is listed as a Intern position. It is posted as a Mechanical Engineering Summer 2027 Intern role in the Mechanical Engineering department at helion.
Which team or department does the Mechanical Engineering Summer 2027 Intern at helion belong to?
This Mechanical Engineering Summer 2027 Intern position is part of the Mechanical Engineering department at helion. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Mechanical Engineering Summer 2027 Intern position at helion?
Click the "Apply Now" button on this page. You will be redirected to helion's official application portal hosted on ashby where you can submit your application directly.
When was the Mechanical Engineering Summer 2027 Intern job at helion posted?
This Mechanical Engineering Summer 2027 Intern position at helion was posted on Sep 30, 2026. Apply as soon as possible — early applications are often reviewed first.
Mechanical Engineering Summer 2027 Intern
helion · 💰 USD 48–48
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You'll be redirected to helion's official application page on Ashby ATS.