Mechanical Engineering Summer Intern

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 over $600 million from investors such as Sam Altman, Mithril, and Capricorn Investment Group 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).

At Helion, our internship program places you at the core of fusion technology development, giving you hands-on experience with impactful projects and close collaboration with industry experts. Throughout the summer, you'll take on meaningful responsibilities that directly contribute to the future of clean energy. With the support of experienced managers and mentors, you’ll gain insights into our fast-paced operations, taking full ownership of your work while pushing innovation forward. All internships take place onsite at our headquarters in Everett, WA.

What You Will Be Doing

As a Mechanical Engineering Intern at Helion, you'll be at the forefront of fusion technology development, playing a crucial role in qualifying systems for new operating conditions and ensuring long-term performance. You'll collaborate on R&D efforts, contributing fresh ideas as we work on next-generation machines, and explore potential system upgrades to enhance overall performance. This internship offers hands-on experience, solving real-world engineering problems that are important to deploying fusion energy to the world.

You Will

• Own and understand subsystem designs such as electromagnetic, structural, fluid, thermal, and control systems, and improve their requirements
• 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 2025
• 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

• $30 / hour
  
  

Compensation And Benefits

At Helion, we are committed to fostering an equitable environment in every aspect of our operations, including compensation. For our internships, compensation is paid at an hourly base rate and is competitively benchmarked. All interns will also receive a one-time stipend at the start of their internship. Note that compensation for our internships is non-negotiable. Benefits will include paid holidays, sick time, wellness stipend, company and team events, and more to ensure a great experience for all of our interns!

• Interns receive a $5,000 stipend
  
  

NOTE: Underrepresented people are less likely to apply unless they meet 100% of the job's requirements. We believe in hiring people, not checklists, and encourage you to apply even if you do not check all of the boxes. If this job isn't the one, we have many other openings that may be a fit.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. If we reach out to you to begin an interview process, we will also ask if you require any reasonable accommodation at that time.