
Building stellarator fusion power plants—the clearest, most robust path to commercial fusion energy.

Building stellarator fusion power plants—the clearest, most robust path to commercial fusion energy.
Headquarters: Munich, Germany (offices at PSI, Switzerland and Culham, UK)
Founded / Spin-out: 2023 (spin-out from Max Planck Institute for Plasma Physics)
Tech focus: Quasi‑isodynamic (QI) stellarators with high‑temperature superconducting magnets
Employee count: Approximately 137
Funding (reported): Total > €185M after a €130M Series A (June 2025) plus earlier seed/pre-seed
Commercial fusion energy / electric power generation
2023
Electric Power Generation
€7.5M (pre‑seed / extension reported)
Pre‑seed and extension reported in 2023
≈€20M
Seed round reported April 9, 2024
€130M
Series A announced June 11, 2025
“Participation from European VCs, family offices and strategic investors including Cherry Ventures, Balderton Capital, UVC Partners, Plural, redalpine and others”
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Company Name: Proxima Fusion
Location: Munich
Department: Technical Operations / Manufacturing
Employment Type: Full-time
At Proxima Fusion, we're driven by a bold mission – to redefine the future of sustainable energy. Our unique concept, built upon the groundbreaking W7-X stellarator and the latest advances in technology, paves the way for commercially viable fusion power plants.
Our work in stellarator optimization, powered by cutting-edge computation and machine learning, is propelling us into uncharted territories of fusion technology. New higher performance design points are unlocked by high temperature superconducting magnets.
To fully grasp this huge opportunity, we’re building a team of extremely dedicated and passionate people who come together to drive something extraordinary, radically transforming technology in the world.
Job Title: ECRH Systems Engineer
Location: Munich
Department: Technical Operations / Manufacturing
Employment Type: Full-time
As an ECRH Systems Engineer specializing in transmission lines and launchers, you will be a key contributor to the design, development, and optimization of our high-power microwave delivery systems. Your expertise will be crucial in ensuring efficient and precise microwave injection into the plasma, directly impacting the success of our fusion reactor.
At Proxima Fusion, our mission is bold: making limitless clean energy a reality. To get there, we need a high-performing, diverse team that brings different perspectives, challenges assumptions, and builds together with purpose. We value diversity of thought and experience, knowing it leads to better ideas, stronger execution, and a more resilient team. We focus on what you can bring to the table.