---
title: 'Power Electronics Engineer at Proxima Fusion'
canonical: 'https://feeny.ai/job/power-electronics-engineer-proxima-fusion-zurich-z774ygvnkyfd'
type: 'job'
last_seen: '2026-10-17'
---

# Power Electronics Engineer at Proxima Fusion

- **Company:** Proxima Fusion
- **Location:** Zurich, Switzerland
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-10-11
- **Last confirmed live:** 2026-10-17
- **Apply:** https://jobs.ashbyhq.com/proxima-fusion/3b6020ad-676c-4a8a-86e9-577be4aaa850

## Job description

## WHO WE ARE

Proxima Fusion is Europe’s fastest-growing fusion company and the continent’s best-funded fusion player, as well as the first spin-out from the Max Planck Institute for Plasma Physics (IPP). Backed by over €650M and powered by a growing team across Munich, Zurich, and Oxford, we are developing the hardware and infrastructure needed to deliver the world’s first commercial stellarator fusion power plant. Our concept advances the most mature fusion technology out there, the Wendelstein 7-X stellarator, through two next-generation machines: Alpha and Stellaris. Our work combines stellarator optimization, advanced computation, machine learning, and high-temperature superconducting magnets to unlock higher-performance designs that were previously out of reach. Turning these designs into a functioning fusion power plant requires excellence and ownership across every discipline, from physics and engineering to software, manufacturing, law, and business functions.

## BY JOINING OUR TEAM YOU’LL GET TO

- Architect a breakthrough energy technology – Play a defining role in designing and integrating the systems that will power the world’s first commercial stellarator fusion plant, influencing decisions that shape the future of clean energy.
- Solve some of the most complex engineering challenges in fusion – Work across magnet design, HTS technology, manufacturing, structural integration, and controls, turning cutting-edge science into real hardware
- Move fast and build what matters – Join a highly ambitious, multidisciplinary team that combines cutting-edge simulation with hands-on engineering, turning bold ideas into real hardware on the path to commercial fusion.

## YOUR IMPACT

Join our team to work on cutting-edge power conversion technologies, developing solutions that combine high power density, high voltage and current, fast dynamic response, and demanding efficiency and reliability requirements. In this role, you will translate functional and system requirements into robust power-stage solutions. Your work will contribute to optimizing efficiency, thermal performance, reliability, scalability, and power density. You will work closely with colleagues across integrated electronics, embedded software, mechanical, thermal, and system engineering.

## WHAT YOU WILL DO

- Evaluate and develop power conversion topologies for converters, considering performance, efficiency, electrical stresses, thermal behaviour, reliability, power density, and system requirements.
- Design and develop magnetic components such as inductors, transformers, and chokes, including selection of magnetic materials, core geometries, winding concepts, and evaluation of losses and thermal limitations.
- Develop analytical and simulation models to evaluate converter behaviour, semiconductor stresses, switching and conduction losses, efficiency, and performance across relevant operating conditions.
- Build prototypes and perform laboratory testing, characterization, verification, troubleshooting, and validation of power electronic circuits and converter stages.
- Analyse test results and correlate measurements with simulations and calculations to identify design improvements and validate converter performance.

## WHO YOU ARE

- You hold a University (Higher education) degree in Electrical Engineering, Power Electronics, or a related field.
- You are experienced in taking power-stage designs from initial concept and simulation through component selection, prototype implementation, laboratory measurement, debugging, and validation.
- You are an expert in power conversion topologies, power semiconductors, magnetic components, and passive components.
- Experience with electro-thermal simulation tools such as PLECS is a plus.
- Experience with SiC or GaN semiconductors, high-frequency magnetics is a plus.

## INTERVIEW PROCESS

- Recruiter Interview (30-60 min)
- Technical Screening (30 min)
- Technical Panel (3x60 min)

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 know that diversity of thought and experience leads to better ideas, stronger execution, and a more resilient team. We don’t look at how you identify, what you look like, who you choose to worship or what ethnicity you are. We care about what you can bring to the table.

## About Proxima Fusion

## Company Overview
- **One-liner**: A European fusion energy company building quasi-isodynamic stellarator power plants to deliver clean, safe, and abundant energy.
- **Entity Type**: Private (Series A – €130M raised in June 2025 plus €15M extension in September 2025)
- **Headquarters**: Munich, Germany (additional offices in Zürich, Switzerland and Oxford, United Kingdom)
- **Founded**: April 2023
- **Founders**: Francesco Sciortino, Lucio Milanese, Jorrit Lion, Jonathan Schilling, Martin Kubie

## Core Business
- **Primary industry**: Fusion energy (energy production)
- **Target customers**: Energy companies, grid operators, and technology partners (B2B / Enterprise)
- **Mission**: “Enabling human ambitions in a future with fusion energy” – providing abundant, clean, and safe energy for all.

## Products & Services
- **Alpha Demonstration Stellarator**: A prototype stellarator designed to demonstrate net energy gain in steady-state, planned for first plasma around 2031.
- **Stellaris Fusion Power Plant Concept**: A peer-reviewed, first-of-its-kind design for a commercial stellarator fusion power plant, targeting grid deployment in the late 2030s.
- **Stellarator Model Coil (SMC)**: A demonstration high-temperature superconducting (HTS) magnet completed to validate coil technology for Alpha and Stellaris.
- **Core Technology**: Quasi-isodynamic (QI) stellarator design combined with computational optimization, HTS magnets, and rapid prototyping – all leveraged from the record-breaking Wendelstein 7-X experiment.

## Market Standing
- **Valuation / Market Cap**: Not publicly available (private company)
- **Key Metric**: Total funding ~€200M (≈$230M) in public and private capital, including pre-seed (€7.5M), seed (€20M), Series A (€130M + €15M extension), and additional grants from the European Innovation Council and the German Federal Ministry of Education and Research.
- **Notable Investors / Partners**: Plural Platform, UVC Partners, redalpine, Bayern Kapital, DeepTech & Climate Fonds, Max Planck Foundation, High-Tech Gründerfonds, Visionaries Club, Wilbe. Strategic partners include the Max Planck Institute for Plasma Physics (IPP), Karlsruhe Institute of Technology (KIT), and Paul Scherrer Institute (PSI).
- **Growth Signals**: Team grown from founding to 100+ world-class scientists, engineers, and operators; completion of the Stellarator Model Coil; publication of the Stellaris power plant concept; convening an Industrial Development Board to scale European fusion supply chains; appointment of CFO Sergei Galperin (June 2026); integration of AI-driven design methods.

## Competitive Advantages
- **QI Stellarator approach**: Toroidal currents cancel to zero, enabling inherently stable, continuous operation without the plasma disruptions that challenge tokamaks.
- **Direct lineage from W7-X**: As the first spin-out from the Max Planck Institute for Plasma Physics, the team builds on decades of stellarator research and the world’s most advanced stellarator experiment.
- **Simulation-first + rapid prototyping**: Combines cutting-edge computational design with HTS magnet technology to accelerate development timelines.
- **Top-tier talent pool**: Team members from Max Planck IPP, MIT, SpaceX, Tesla, McLaren, Google X, EPFL, Stanford, Cambridge, and other leading institutions.
- **Deep European ecosystem ties**: Close collaboration with public research institutes, industrial partners, and government funders.

## Strategic Focus
- **Near-term (2026–2031)**: Complete the design and construction of the Alpha demonstration stellarator, demonstrate net energy in steady-state, and advance HTS magnet technology through continued R&D.
- **Mid-term (2030s)**: Scale from Alpha to the Stellaris fusion power plant, targeting first electricity to the grid in the late 2030s.
- **Long-term**: Establish a new clean energy infrastructure by industrializing stellarator power plants and securing supply chains across Europe.

## Why Work Here
- **Mission with impact**: Tackle one of humanity’s greatest challenges – unlimited, clean, and affordable energy.
- **High-performance culture**: Described as a “professional sports team” where success depends on placing the right person in the right role with real ownership from day one.
- **Collaborative environment**: Work alongside exceptional peers from top tech, science, and engineering organizations; take on meaningful responsibility early.
- **Locations**: Offices in Munich (HQ), Zürich (PSI campus), and Oxford (Culham Campus) – likely on-site given the hands-on nature of fusion R&D.
- **Diverse disciplines**: Opportunities for engineers, scientists, operators, and business roles in a fast-growing deep-tech startup.

## Sources
1. [proximafusion.com](https://www.proximafusion.com/)
2. [proximafusion.com/about](https://www.proximafusion.com/about)
3. [proximafusion.com/careers](https://www.proximafusion.com/careers)
4. [jobs.ashbyhq.com/proxima-fusion](https://jobs.ashbyhq.com/proxima-fusion)
5. [en.wikipedia.org/wiki/Proxima_Fusion](https://en.wikipedia.org/wiki/Proxima_Fusion)

## Other roles at Proxima Fusion

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- [Procurement Manager](https://feeny.ai/job/procurement-manager-proxima-fusion-munich-x9fpb9zs71va) — Munich, Germany
- [CEO Office Associate](https://feeny.ai/job/ceo-office-associate-proxima-fusion-munich-jpsq199cgzk8) — Munich, Germany
- [Site Development Program Manager](https://feeny.ai/job/site-development-program-manager-proxima-fusion-munich-5ck9x2wbh17a) — Munich, Germany
- [PMO Coordinator](https://feeny.ai/job/pmo-coordinator-proxima-fusion-munich-78jgb2wreazw) — Munich, Germany
- [Building Regulations & Permitting Specialist](https://feeny.ai/job/building-regulations-permitting-specialist-proxima-fusion-munich-wc8emncgm20b) — Munich, Germany
- [Integrated Electronics Engineer](https://feeny.ai/job/integrated-electronics-engineer-proxima-fusion-zurich-qcfq7e7m8cmn) — Zurich, Switzerland
- [Embedded Control Engineer](https://feeny.ai/job/embedded-control-engineer-proxima-fusion-zurich-48am12a0mw42) — Zurich, Switzerland
- [Scientist, Model Validation and Experimental Data Analysis](https://feeny.ai/job/scientist-model-validation-and-experimental-data-analysis-proxima-fusion-munich-qgr3nczsbn39) — Munich, Germany
- [Lab Technician, Mechatronics and Prototyping (Mechatroniker)](https://feeny.ai/job/lab-technician-mechatronics-and-prototyping-mechatroniker-proxima-fusion-526d57mgt7de) — Gundremmingen, Germany