R&D Engineer


Updated on 5/24/2024

Helion Energy

Helion Energy

51-200 employees

Develops fusion power plants for energy



Everett, WA, USA

  • B.S. or higher in aerospace or mechanical engineering, physics, or related field of study and 4+ years of relevant experience
  • Demonstrated ability and desire to rapidly learn new systems
  • Track record of safely operating a highly complex machine in a high consequence operational environment
  • Experience planning and conducting maintenance in a radiation environment
  • Experience with radiological controls including stay time, work controls, and exposure planning
  • Previous occupational exposure to ionizing radiation
  • Knowledge of types and effects of ionizing radiation, and ability to quickly estimate dose
  • Experience working on high power plasma devices or high voltage capacitor and power supplies
  • Complete a training program and qualify as an operator of Helion's Polaris prototype fusion machine
  • Safely operate and control pulsed power, high-energy mega joule capacitor systems
  • Author and develop fusion prototype operating procedures and create experimental test plans
  • Support Polaris tests including test set up, checkouts, and commissioning of Polaris subsystems
  • Plan test team post testing re-entry procedures and set stay time limits to accomplish machine inspection and maintenance in concert with exposure limits and ALARA
  • Work with large-scale vacuum systems, including vacuum cycling quartz vacuum chambers that are 1+ meters in diameter
  • Work with neutron and gamma radiation monitoring equipment
  • Learn and understand plasma physics, including how to create FRC's
  • Support development of LabView-based and PXIe-NI chassis-based control systems including GUI modifications for improved operator situational awareness and human error prevention
  • Collaborate with the Radiation Safety and Nuclear Science department to implement radiation worker standards and training
  • Participate in test data reviews
  • Work collaboratively and communicate effectively as a member of a team

Helion is pioneering the development of the world's first fusion power plant, utilizing deuterium from water and helium-3 to produce clean, reliable, and abundant energy. The company has achieved significant milestones in plasma temperatures, magnetic energy recovery, compression fields, and sustained plasmas, positioning itself as a leader in the pursuit of fusion energy.

Company Stage

Series E

Total Funding



Everett, Washington



Growth & Insights

6 month growth


1 year growth


2 year growth



Medical, dental, & vision insurance


Parental leave

Life & disability insurance



Social events