Helion

Develops magneto-inertial fusion reactors to generate zero‑carbon electricity via direct energy conversion.

300 employees

149 open positions

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Energy

Nuclear/Fusion

About Helion

Pursues a bold vision: taming the power of stars on Earth through fusion energy.

Develops magneto

inertial fusion technology, merging plasma at extreme speeds and capturing energy directly.

Pioneers in aneutronic fusion, recycling byproducts to generate helium

3, a sustainable fuel source.

Shifts from lab

scale to industrial

scale fusion with the Polaris device, supported by legal agreements.

Aims for rapid iteration with reactor designs capable of one pulse per second, enabling modular fusion systems.

Culture & Values

Build with urgency

Take ownership

Execute rigorously

Deliver hard truths

Quick Info

Company Size300 employees

Open Positions149 jobs available

IndustriesEnergy, Nuclear/Fusion

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Key Highlights

100M °CPlasma TemperatureAchieved a plasma temperature of 100 million degrees Celsius, a critical milestone in fusion energy.

$1BVC FundingReceived over $1 billion in venture capital funding to support their fusion energy research and development.

$5BValuationValued at over $5 billion in their Series F funding round, reflecting strong investor confidence in their fusion technology.

50 MWPower PlantAiming to deliver a 50 MW fusion-generated electricity plant by 2028, marking a significant step toward commercial fusion energy.

$500M in 2021Investment FigureRaised $500 million in 2021 to accelerate the development of their net-electricity target device, Polaris.

100M°CPlasma Temperature AchievementAchieved a milestone by heating plasma to 100 million degrees Celsius in June 2021.

500 MWeFusion Plant CapacityPartnered with Nucor to deploy a 500 MWe fusion plant, enabling zero-carbon baseload power for steelmaking.

3.4/5 RatingGlassdoor Employee ReviewsReveals the company's inclusion and diversity initiatives based on employee feedback on Glassdoor.

4.4/5 for MenEmployee Inclusion ScoreIndicates the level of inclusivity experienced by male employees.

4.7/5 for Non-disabledEmployee Inclusion ScoreReflects the high level of inclusivity experienced by non-disabled employees.

4.7/5 for Non-veteransEmployee Inclusion ScoreShowcases the inclusive environment for employees who are not veterans.

Open Positions

149 jobs available

Shipping and Receiving ClerkManage shipping/receiving, part marking/cleaning, and inventory for machine shop

Mechanical Engineering Manager - ThermalLead thermo-mechanical design and a multidisciplinary team for fusion device thermal management.

Experienced (8-12 years)

6 days ago

Principal People Business PartnerStrategic HR partner advising senior leaders and driving people initiatives

Experienced (8-12 years)

6 days ago

Manager, Electrical EngineeringLead and grow electrical engineering team designing high‑voltage circuits for fusion devices.

Experienced (8-12 years)

1 week ago

Senior Linux Systems EngineerDesign, implement, and support scalable, secure Linux systems across R&D, manufacturing, and production.

Experienced (8-12 years)

1 week ago

IT Support SpecialistProvide frontline IT support for hardware, software, and network issues to employees.

Experienced (8-12 years)

1 week ago

Inventory Control SupervisorSupervise warehouse operations, inventory control, and material flow for production.

Experienced (8-12 years)

1 week ago

R&D Technician SupervisorLead R&D technicians, manage lab operations, ensure safety and quality

Experienced (8-12 years)

1 week ago

Facilities Staff Engineer (Mechanical)Design, implement, and manage mechanical systems (HVAC, utilities) for Helion's facilities.

Experienced (8-12 years)

1 week ago

Facilities Staff Engineer (Mechanical)Design and manage mechanical systems for Helion's facilities, including HVAC and utilities.

Experienced (8-12 years)

1 week ago

Facilities Staff Engineer (Mechanical)Design, implement, and manage mechanical systems for Helion's facilities.

Experienced (8-12 years)

1 week ago

R&D EngineerDesign, build, and test fusion FRC devices, control pulsed power, and develop diagnostics.

Experienced (8-12 years)

1 week ago

Senior Integration TechnicianAssemble and integrate fusion generators, lead builds, and mentor technicians

Experienced (8-12 years)

1 week ago

Senior Manager of People OperationsLead and scale HR programs across the employee lifecycle to support Helion's growth.

Experienced (8-12 years)

1 week ago

R&D EngineerDevelop and operate FRC fusion devices, pulsed power, diagnostics, and vacuum systems

Experienced (8-12 years)

1 week ago

Executive AssistantSupport senior leaders with admin, travel, meetings, and strategic initiatives.

Experienced (8-12 years)

1 week ago

Sourcing Lead, ElectronicsSource and procure custom electronics, manage vendors, contracts, and cost reductions.

Experienced (8-12 years)

1 week ago

Senior Software Engineer, Full stackDevelop and operate full-stack apps for engineering, supply chain, and finance processes.

Experienced (8-12 years)

1 week ago

Director of Engineering, Fusion Plant InfrastructureLead design & delivery of fusion plant Balance of Plant systems.

Experienced (8-12 years)

1 week ago

Senior Power Electronics EngineerDesign and optimize high‑voltage pulsed power systems for fusion generators.

Experienced (8-12 years)

1 week ago

Learn More

Helion announces world’s first fusion energy purchase agreement with Microsoft Helion Energy Breaks Ground on Site of Its Next‑Generation Fusion Facility in Everett, Washington Helion | Building the world's first fusion power plant

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