Climate/Energy

Endurance Energy

Subsea geothermal energy solutions

Seattle· 16 roles

CORE INFO

$54M
Total Funding
Series A
Round
2025
Founded
11-50
Team Size
Seattle, WA, USA
Headquarters

Endurance Energy is a Seattle-based startup that develops subsea geothermal power systems to harness energy from underwater volcanic vents, providing clean and reliable energy solutions for island nations, industrial sites, and data centers.

  • Endurance Energy raised $54 million in a Series A funding round led by Founders Fund, with participation from Ascend, Construct Capital, and others.techcrunch.com
  • TechCrunch reported on Endurance Energy's mission to develop deep-ocean geothermal power plants, highlighting its innovative approach to renewable energy.techcrunch.com

WHY WE WOULD WORK AT ENDURANCE ENERGY

Innovative Technology

Join a pioneering team developing seafloor hydrothermal generators that harness energy from underwater volcanic vents, revolutionizing the renewable energy landscape.

Global Impact

Contribute to providing clean, reliable energy solutions for island nations and industrial sites, addressing the urgent demand for sustainable power.

Small, Dynamic Team

Be part of a close-knit group of 11-50 employees where your contributions directly influence the company's success and growth.

Strong Funding Support

Benefit from $54 million in Series A funding, ensuring resources for rapid development and deployment of deep-ocean geothermal power plants.

Mission-Driven Culture

Work in an environment focused on advancing sustainable energy solutions, driven by a commitment to innovation and environmental responsibility.

Growth Opportunities

As a startup founded in 2025, there are ample opportunities for personal and professional growth as the company scales its groundbreaking technology.

MARKET AND TRACTION

TOTAL ADDRESSABLE MARKET

  • Endurance Energy targets the renewable energy market, specifically focusing on subsea geothermal energy solutions.

  • The company aims to provide clean, reliable energy to island nations, industrial sites, and data centers, which are increasingly seeking sustainable energy sources.
  • GROWTH TACTICS

  • Endurance Energy plans to leverage its recent $54 million Series A funding to accelerate the development of deep-ocean geothermal power plants.

  • The company is adopting rapid development methodologies inspired by successful tech companies like SpaceX to bring its technology to market quickly.
  • KEY METRICS

    ✦ KEY METRIC
  • Founded in 2025, Endurance Energy has quickly grown to a team size of 11-50 employees.

  • The company has successfully raised a total of $54 million in funding, with its most recent round being a Series A led by Founders Fund.
  • COMPETITIVE ADVANTAGE

  • Endurance Energy's unique focus on subsea geothermal energy allows it to tap into an underutilized energy source from underwater volcanic vents.

  • The technology aims to deliver gigawatt-scale baseload power, providing a consistent and reliable energy supply compared to intermittent renewable sources.
  • MARKET POSITION

  • Positioned as a pioneer in subsea geothermal energy, Endurance Energy is set to play a significant role in the renewable energy landscape.

  • The company's innovative approach addresses the growing demand for clean power, particularly in regions with limited energy resources.
  • PRODUCT AND TECH

    Seafloor Hydrothermal Generators

    Endurance Energy develops innovative seafloor hydrothermal generators that harness geothermal energy from underwater volcanic vents, providing a sustainable and reliable energy source.

    Gigawatt-Scale Power Solutions

    The company's technology aims to deliver gigawatt-scale baseload power, addressing the energy needs of island nations, industrial sites, and data centers with fast and clean energy.

    Deep-Ocean Geothermal Plants

    Endurance Energy is focused on creating deep-ocean geothermal power plants that can contribute to the energy grid within a short timeframe, leveraging untapped resources in the ocean.

    Renewable Energy Commitment

    With a mission to advance sustainable energy solutions, Endurance Energy is positioned to play a significant role in the renewable energy landscape, particularly in the context of growing global energy demands.

    Innovative Development Approach

    The company employs a rapid development methodology inspired by successful tech companies, aiming to accelerate the deployment of its geothermal energy solutions.

    COMPANY CULTURE

    Values

  • Commitment to sustainability

  • Innovation in renewable energy solutions

  • Collaboration and teamwork

  • Integrity in all operations

  • Focus on customer impact
  • Operating Principles

  • Embrace cutting-edge technology

  • Prioritize safety and environmental responsibility

  • Foster a culture of open communication

  • Encourage agile decision-making

  • Support diversity and inclusion
  • Benefits

  • Competitive salary and equity options

  • Flexible work hours and remote work opportunities

  • Professional development and training programs

  • Health and wellness initiatives

  • Support for work-life balance
  • Learning & Growth

  • Opportunities for continuous learning

  • Access to industry conferences and workshops

  • Mentorship programs with experienced leaders

  • Encouragement of innovative thinking

  • Regular feedback and performance reviews
  • Team Cadence

  • Regular team meetings to align on goals

  • Bi-weekly check-ins for project updates

  • Monthly all-hands meetings to share company progress

  • Informal team-building activities

  • Open-door policy for leadership engagement
  • HIRING SIGNAL

    16
    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
    GTM · 1
    G&A · 2
    Engineering · 13
    Top Locations
    Where hiring is concentrated
    Remote-eligible postings counted separately
    Seattle, WA
    16
    SourcesGreenhouseLeverAshbyWorkableSmartRecruitersRipplingRecruiteeFallback · Wellfound, YC Work-at-a-Startup, careers-page scrape

    KEY COMPANY ANNOUNCEMENTS

    Filter
    5 announcements · ranked by importance
    Jun 11, 2026FUNDINGEndurance Energy raises $54M to harness a massive untapped energy source | TechCrunchtechcrunch.com
    Jun 11, 2026FUNDINGEndurance Energy Secures $54 Million in Series A Funding to Tap Seafloor Geothermal Power | Raising.firaising.fi
    Jun 11, 2026FUNDINGEndurance Energy completes $54 million funding round to develop subsea geothermal technologythinkgeoenergy.com
    May 28, 2026FUNDINGEndurance Energy 5/28/2026 Capital Raise - Gaebler.com Venture Capital Databasegaebler.com
    Jun 1, 2026EXEC HIREEndurance Energy | LinkedInlinkedin.com