Senior Mechanical Engineer
Helion Energy
About this role
This role owns hardware designs for Helion's fusion generator prototypes, contributing to the development of next-generation fusion systems. The position requires cross-disciplinary collaboration to design, analyze, test, and iterate hardware solutions while working alongside technicians and subject-matter experts. The role reports to the Senior Manager of Engineering and is based in Everett, WA.
Skills
Qualifications
About Helion Energy
helionenergy.comHelion is a fusion energy company building the world’s first fusion power plant to deliver plentiful, zero‑carbon electricity at utility scale. The company develops a pulsed magneto‑inertial fusion approach (field‑reversed configuration) with proprietary pulsed‑power hardware and direct electrical energy conversion to produce low‑cost, dispatchable power. Helion aims to commercialize fusion as a scalable replacement for fossil generation and is accelerating deployment through private investment and industry partnerships.
Recent company news
POWER MagazineHelion Announces Fusion Milestone, Moves Closer to Commercial Deployment
4 weeks ago
GeekWireHelion’s next big bet is fusion power manufacturing at scale – but tech uncertainty remains
Nov 11, 2025
E&E News by POLITICOStartup begins work on US fusion power plant. Yes, fusion.
Jul 31, 2025
Washington State StandardNuclear power ventures heat up around Washington state
Jan 2, 2026
FortuneSam Altman’s fusion startup Helion Energy hits 150 million degree plasma temperature milestone
4 weeks ago
About Helion Energy
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
Unlock Company Insights
View leadership team, funding history,
and employee contacts for Helion Energy.
Salary
$182k – $214k
per year