Helion Energy
Energy & UtilitiesDirect Ashby career site

Plasma Diagnostics Summer 2027 Intern

Location
Everett, WA · On-site
Job type
Internship
Level
Entry level
Listed
31 days ago

Skills & highlights for this role

  • optical bench testing
  • optical fiber alignment
  • laser safety
  • MATLAB or Python

Also useful

  • Zemax

What You Will Be Doing

As a Plasma Diagnostics Intern you will work collaboratively to conceive, design, test, and deploy optical diagnostic components and systems that help us understand the performance of our fusion machines. Non-invasive optical probes are essential to our understanding of physical parameters in the core of our plasma and allow us to fine tune the operation of the machine to achieve fusion. We deploy a suite of optical probes that measure a wide range of plasma parameters such as density, temperature, plasma shape, and many more.

You Will

  • Prototype and bench test optical diagnostics, for example polarimetry or components of optical interferometers
  • Understand basic operations and bench test potential upgrades to performance (e.g., on polarimetry or interferometry)

Required Skills

  • Ability to work full time, onsite in Everett, WA for a minimum of 12 consecutive weeks during summer 2027
  • Currently pursuing a PhD in Physics, Aerospace Engineering, or a related field, with relevant experience in plasmas
  • Must be able to complete their PhD program and commence full-time employment no later than May 2028
  • GPA of 3.0 or above
  • Basic understanding of benchtop optical test and measurement
  • Basic proficiency with optical fiber alignment
  • General optical lab experience/ basic knowledge of laser and laser safety
  • Proficiency with analysis software such as MATLAB or Python
  • Optical modeling software skills such as Zemax a plus, but not necessary

#LI-Onsite #LI-TM1

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.

Read the original posting

From Helion Energy's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

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Common questions

Where is the Plasma Diagnostics Summer 2027 Intern job at Helion Energy located?

This Plasma Diagnostics Summer 2027 Intern position at Helion Energy is located in Everett, WA (On-site). Always check Helion Energy's application page for specific state eligibility or relocation policies.

What qualifications are required for Plasma Diagnostics Summer 2027 Intern at Helion Energy?

For the Plasma Diagnostics Summer 2027 Intern role, Helion Energy highlights experience with optical bench testing, optical fiber alignment, laser safety, MATLAB or Python. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Plasma Diagnostics Summer 2027 Intern position at Helion Energy?

This listing links directly to Helion Energy's Ashby application page. You can apply directly on Helion Energy's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.