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Manufacturing Engineering Summer Intern

Everett, WA

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:  

Our capacitor manufacturing team is responsible for building in-house high energy storage capacitors, a critical technology for Helion’s generator, as well as scaling production to enable Helion’s transition to generator mass-manufacturing.  As a Manufacturing Engineering Intern at Helion, you'll help drive innovation in cap manufacturing through prototype builds and hands-on qualification testing to refine new processes.  

You'll design and create essential tooling, such as jigs and shop aids, to support streamlined production. This role gives you the chance to make a tangible impact on Helion’s manufacturing operations, gaining real-world experience in cutting-edge manufacturing that directly contributes to the future of clean energy. 

You Will: 

  • Own efficiency improvements on the production line to increase throughput, quality, and safety.
  • Perform hands-on assembly and testing to develop new cap manufacturing processes
  • Collaborate with peer teams such as design engineering, technicians, supply chain, and facilities
  • Design, build, and test manufacturing tooling for the line ex: jigs or shop aids
  • Support the installation, troubleshooting, and site acceptance testing of critical equipment in a designated factory cell
  • Conduct first article builds for parts of cap manufacturing, author and improve manufacturing planning, influence build cell layout and flow of parts
  • Apply both engineering first-principles and method-based thinking to challenging problems
  • Learn from and partner with 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 Bachelor’s degree in Mechanical Engineering, Aerospace Engineering or related field
  • GPA of 3.0 or above
  • Prior internship, independent project work or extracurricular experience such as engineering club involvement
  • Familiarity with 3D CAD software (e.g. NX, SolidWorks)
  • Completed a Materials or Solid Mechanics course  

 

Base Pay:

  • $30 / hour

 

#LI-Onsite #LI-MT1 

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. 

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