Helion logo
Climate/Energy

Helion

Our mission is to fully satisfy the world's need for clean abundant energy.

Everett· 109 roles

CORE INFO

$465M
Total Funding
Series D+
Round
2013
Founded
500+
Team Size
Everett, Washington, USA
Headquarters

Helion Energy is a pioneering American company developing commercial fusion power plants to deliver clean and abundant electricity, primarily targeting large-scale energy consumers like tech companies.

  • Helion Energy raised $465 million in a Series G funding round led by Thrive Capital, valuing the company at $15.5 billion.techcrunch.com
  • Helion has an agreement to supply 50 megawatts of fusion-generated electricity to Microsoft starting in 2028.helionenergy.com
  • TechCrunch reported on Helion's plans to build a power plant for Microsoft, highlighting the company's significant funding and strategic partnerships.techcrunch.com

WHY WE WOULD WORK AT HELION ENERGY

Pioneering Fusion Technology

Join a team at the forefront of fusion energy, utilizing magneto-inertial fusion technology to create zero-carbon electricity and revolutionize the energy landscape.

Sustainable Future Focus

Contribute to Helion's mission of providing clean, abundant energy, aiming to fully satisfy the world's energy needs through innovative solutions.

Collaborative Culture

Work alongside over 500 passionate individuals dedicated to engineering-led innovation, fostering a collaborative environment that encourages creativity and teamwork.

Strong Financial Backing

Be part of a rapidly growing company valued at $15.5 billion, with over $1.5 billion raised in funding, ensuring stability and resources for ambitious projects.

Notable Achievements

Celebrate milestones like the Polaris prototype achieving 150 million degrees Celsius, making Helion a leader in the private fusion sector.

Impactful Partnerships

Engage in groundbreaking agreements, such as providing fusion-generated electricity to Microsoft, showcasing Helion's role in shaping the future of energy.

MARKET AND TRACTION

TOTAL ADDRESSABLE MARKET

  • Helion Energy is positioned to serve the growing demand for clean and sustainable energy solutions globally.

  • The fusion energy market is expected to expand significantly as countries seek to transition away from fossil fuels and meet climate goals.
  • NOTABLE CUSTOMERS

  • Helion has secured an agreement to provide 50 megawatts of fusion-generated electricity to Microsoft starting in 2028.

  • This partnership highlights Helion's capability to meet the energy needs of major corporations.
  • KEY METRICS

    ✦ KEY METRIC
  • Helion Energy has raised over $1.5 billion in total funding, with the latest Series G round bringing in $465 million.

  • The company is valued at $15.5 billion post-money as of June 2026.
  • GROWTH TACTICS

  • Helion focuses on engineering-led innovation and operator-built solutions to drive advancements in fusion technology.

  • The company aims to build a 50-megawatt fusion plant in Chelan County, Washington, to supply power to Microsoft datacenters.
  • COMPETITIVE ADVANTAGE

  • Helion's unique approach utilizes magneto-inertial fusion technology, which combines deuterium with helium-3 for aneutronic fusion reactions.

  • This technology allows Helion to generate zero-carbon electricity, positioning it as a leader in the fusion energy sector.
  • PRODUCT AND TECH

    Magneto-Inertial Fusion Technology

    Helion Energy utilizes magneto-inertial fusion technology, which combines deuterium with helium-3 through aneutronic fusion reactions to generate zero-carbon electricity. This innovative approach aims to provide a sustainable and abundant energy source for the future.

    Polaris Prototype

    The Polaris is Helion's seventh-generation prototype that has achieved plasma temperatures necessary for fusion operations, marking a significant milestone in the development of commercial fusion power plants. Its success demonstrates Helion's capability to advance fusion technology towards practical energy solutions.

    Commercial Fusion Power Plants

    Helion is focused on developing commercial fusion power plants that will supply clean, safe, and abundant electricity. Their plans include a 50-megawatt fusion plant in Chelan County, Washington, set to provide power to Microsoft datacenters by 2028.

    Aneutronic Fusion Reactions

    Helion's approach to fusion energy emphasizes aneutronic fusion reactions, which produce minimal radiation and waste compared to traditional nuclear reactions. This technology is crucial for achieving a cleaner and safer energy generation process.

    Pulsed Magnetic Compression System

    Helion's linear fusion system operates at 1Hz, utilizing a pulsed magnetic compression method to inject and compress plasma to fusion conditions. This innovative mechanism is essential for efficiently generating electricity from fusion energy.

    COMPANY CULTURE

    Values

  • Commitment to clean and sustainable energy

  • Innovation through engineering-led solutions

  • Collaboration and teamwork in achieving goals

  • Integrity and transparency in operations

  • Focus on safety and reliability in energy production
  • Operating Principles

  • Emphasis on research and development in fusion technology

  • Continuous improvement and adaptation to new challenges

  • Customer-centric approach to energy solutions

  • Data-driven decision making for operational efficiency

  • Encouragement of diverse perspectives in problem-solving
  • Benefits

  • Opportunities for professional growth and development

  • Competitive compensation and benefits packages

  • Flexible work arrangements to promote work-life balance

  • Engaging work environment focused on innovation

  • Access to cutting-edge technology and resources
  • Learning & Growth

  • Regular training and workshops on fusion technology

  • Mentorship programs for career advancement

  • Encouragement of continuous learning and skill enhancement

  • Support for attending industry conferences and events

  • Knowledge sharing sessions among team members
  • Team Cadence

  • Agile project management to adapt to rapid changes

  • Regular team meetings to align on goals and progress

  • Open communication channels for feedback and ideas

  • Collaborative workspaces to foster teamwork

  • Celebrations of milestones and achievements to boost morale
  • COMPENSATION SNAPSHOT

    Cohort too small to score (n < 5). Per-role bands shown below.
    Based on publicly available compensation ranges from job postings; exact compensation may vary.
    Engineering IC3n = 3
    $140K$180Kmedian $160K
    Seattle
    Engineering IC4n = 11
    $164K$200Kmedian $182K
    Seattle
    Engineering Managern = 3
    $210K$250Kmedian $230K
    Seattle
    Operationsn = 7
    $182K$214Kmedian $198K
    Seattle
    US-only in v1 · only categories with n > 2 shown · in-person / hybrid / remote treated separately where n ≥ 3

    HIRING SIGNAL

    109
    Open roles on their careers page
    Snapshot via live ATS poll
    Net new roles in the last 90 days
    Available once weekly history accrues
    90-Day VelocityV2 · BACKFILL
    Trend builds weekly as historical rows accrue
    By Function
    Breakdown of open roles
    Data · 3
    Other · 84
    Design · 6
    Operations · 7
    Engineering · 9
    Top Locations
    Where hiring is concentrated
    Remote-eligible postings counted separately
    Everett, WA
    109
    SourcesGreenhouseLeverAshbyWorkableSmartRecruitersRipplingRecruiteeFallback · Wellfound, YC Work-at-a-Startup, careers-page scrape

    KEY COMPANY ANNOUNCEMENTS

    Filter
    10 announcements · ranked by importance
    Nov 5, 2021FUNDINGFusion energy startup Helion raises $500 millionaxios.com
    Jan 1, 2025FUNDINGHelion Announces $425M Series F Investment to Scale Commercialized Fusion Powerhelionenergy.com
    Jun 1, 2026FUNDINGHelion Raises $465 Million Series G Funding Round to Meet Surging Global Demand for Powerhelionenergy.com
    May 10, 2023CUSTOMER WINHelion Energy will provide Microsoft with fusion power starting in 2028techcrunch.com
    Sep 27, 2023MILESTONENucor and Helion to Develop 500 MW Fusion Power Plant by 2030nucor.com
    Jul 31, 2025MILESTONEHelion begins work on Washington nuclear fusion plantnucnet.org
    Jun 16, 2026MILESTONEHelion obtains regulatory approval to operate fusion power plant in Washingtonhelionenergy.com
    Mar 23, 2026EXEC HIREOpenAI CEO Sam Altman Exits Helion Energy's Boardreuters.com
    Dec 17, 2022INTERVIEWA New Way to Achieve Nuclear Fusion: Helion [video]youtube.com
    Feb 13, 2026MILESTONEHelion achieves new fusion energy milestoneshelionenergy.com