About the job
About Helion
Helion is a pioneering fusion power company situated in Everett, WA, dedicated to realizing the world's first fusion power plant. Our mission is to facilitate a future with boundless clean electricity, ensuring energy is both reliable and affordable for all. Founded in 2013, we have successfully secured over $1 billion in funding from esteemed investors including Sam Altman, Mithril, and Capricorn Investment Group, alongside new partners like SoftBank and Lightspeed, driving our ambitious vision forward. Our latest prototype, Trenta, achieved a remarkable 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing our next prototype, Polaris, as we move closer to creating the first fusion power plant in the world.
This is an exciting moment to become part of Helion. You will face significant real-world challenges alongside a team that values urgency, rigor, ownership, and the courage to communicate hard truths—core principles vital for accomplishing unprecedented goals. Together, we will reshape the future of energy, as the world cannot afford to wait.
Your Role:
As a Senior Mechanical Engineer, you will take charge of hardware designs for Helion's fusion generator prototypes, addressing complex engineering challenges essential for global fusion energy deployment, while also fostering a positive team culture. You will work closely with our Manager of Mechanical Engineering in a hands-on, onsite capacity at our Everett, WA office.
Your Responsibilities:
Lead and refine subsystem designs, including electromagnetic, structural, fluid, thermal, and control systems, enhancing their specifications.
Employ historical engineering methodologies to innovate hardware solutions and conduct rigorous testing.
Optimize subsystem and component designs for scalability in high-volume manufacturing environments.
Utilize 3D CAD software (e.g., NX, Solidworks) to design fusion hardware.
Conduct analyses using tools such as ANSYS, facilitating design reviews to gather feedback and iterate toward fully functional systems.
Learn from seasoned experts to enhance your engineering skills and domain expertise.
Collaborate closely with experienced technicians to implement your hardware designs effectively.
Troubleshoot hardware issues that may arise during the integration of fusion generators.

