Laser Diagnostician

Proxima Fusion

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 * Shape the architecture of the world’s first commercial fusion power plant – Own system-level decisions that determine how a first-of-a-kind energy technology is designed, integrated, and ultimately deployed at scale. * Solve some of the most complex engineering challenges – Work across tightly coupled disciplines (plasma physics, magnets, cryogenics, manufacturing, controls, and more) to resolve critical trade-offs and turn cutting-edge science into a functioning product. * Design real hardware with a pragmatic, fast-moving team from all over the world – Combine advanced simulation and systems thinking with a strong execution mindset, focusing on practical engineering solutions that accelerate the path to commercial fusion energy. YOUR IMPACT As a Plasma Spectroscopy diagnostician you will be designing and building one of the most important diagnostics on the Alpha stellarator. This role provides a unique opportunity to work alongside other diagnostic experts, software engineers, fusion scientists, and fusion engineers, making a tangible impact on the future of clean energy. The role will require the management of the full product lifecycle of this important diagnostic form conception, through design, review, testing, installation, calibration, operation and maintenance on the Alpha stellarator. WHAT YOU WILL DO * Lead the design and build of spectroscopic diagnostics to be deployed on the Alpha stellarator to measure spatial profiles of ion temperature, impurity concentration, and flow. * Develop a detailed diagnostic specification able deliver the measurement performance required from the various stellarator plasma spectroscopic diagnostics planned for Alpha: Charge exchange emission in the visible, Crystal spectrometer in the X-ray region and various wide band spectroscopic systems to monitor impurity emission from the visible through vacuum ultraviolet and into the XUV range. * Work with the engineering team on Alpha to establish a robust implementation of each spectroscopic diagnostic. * Prepare and execute plans for all the steps required to implement the diagnostic and bring it into operations: design, procure, build, test, install, commission, calibrate, operate and maintain. * Oversee and undertake/delegate/subcontract packages of work as part of the plan to ensure successful completion of all spectroscopic diagnostics. WHO YOU ARE * A Master’s degree or higher in physics, engineering, or equivalent experience. * Have experience using high resolution spectrometers. * Have worked on at least one spectroscopic diagnostic instrument on a large infrastructure machine (accelerator, telescope, laser or fusion device) * Strong knowledge of geometric optics and light propagation in optical systems. * Experience of designing and building a spectroscopic system for a plasma device would be an advantage. * Working knowledge of Python software development and modern tool chains (uv, git etc.) * Experience using optical design software for ray-tracing would be an advantage INTERVIEW PROCESS * Recruiter Interview (30-60 min) * Technical Screening (30 min) * Technical Panel (3x60 min) * CEO call (30 min) This role sits at L2/L3 of our framework, please inquire during the recruitment process for further information 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.

Marvel Fusion

WHO WE ARE Founded in 2019, Marvel Fusion is Europe’s leading fusion energy company, uniting 75 scientists, engineers, and entrepreneurs across our locations in Munich and Colorado.  Backed by over €385 million in public and private funding, we’re driven by a shared mission: to deliver clean, abundant energy to the world.  WHY MARVEL FUSION By joining us, you will be: * Solving one of the most complex technological challenges known to humanity, harnessing Fusion on Earth * Part of a highly purpose-driven team working on providing the world with clean, safe and abundant energy * Working alongside world-leading scientists and entrepreneurs in the field of Fusion * Part of a start-up where growth on a company and individual level is the default THE IMPACT YOU WILL MAKE As a Control System Software Engineer you will participate in development of Control Systems for various components of a laser facility. You will work at the border between complex time critical hardware components and modern software technologies, establishing tools for automated development, testing and deployment of Control System software. You will work in a close contact with engineers and scientists who develop and use high power laser systems. You work will be critical to achieving stable, repeatable and safe laser operation on the path to commercial fusion energy. YOUR RESPONSIBILITIES * Develop, program and commission realtime automation architectures and machine protection systems around Beckhoff PLCs for various subsystems. * Design, build and support CI/CD pipelines for the Control System software. * Elicit and manage technical requirements together with engineers and scientists. * Collaborate on, and improve architecture and technology stack of the Control Systems.  * Define and document functional specifications, test plans and acceptance criteria. WHAT YOU BRING * Bachelor’s or Master’s degree in IT or related Engineering field * 3+ years of hands-on industry experience in software development, related to backend or control system programming * Extensive experience programming in OOP languages like: C++, Python, Java, C#, Kotlin, Rust or similar * Understanding of modern software development practices, processes and tools (CI/CD, Git, automated testing, etc.) * Experience of working in a software development team following established software development practices and processes * Fluent English; German proficiency is welcome  * Flexibility, adaptability and a hands-on, can-do attitude  What sets you apart * Experience with Beckhoff PLCs and TwinCAT (structured text, ladder or function blocks) * Experience with EPICS (epics-controls.org) development * Experience with development of distributed systems * Experience of working with scientific facilities like laser laboratories, accelerators, etc * Understanding of real-time control concepts and common industrial fieldbuses and interfaces such as EtherCAT, Modbus-TCP, and serial protocols   WHAT WE OFFER Our mission is motivation enough for many. But we also support our team with benefits that foster wellbeing and growth:  * Public transport reimbursement  * EGYM Wellpass fitness club access  * Complimentary health insurance  * Professional development support  * Company pension plan * Healthy office snacks  For more information on how we process your application data, please review our privacy notice.

Marvel Fusion

WHO WE ARE Founded in 2019, Marvel Fusion is Europe’s leading fusion energy company, uniting 75 scientists, engineers, and entrepreneurs across our locations in Munich and Colorado.  Backed by over €385 million in public and private funding, we’re driven by a shared mission: to deliver clean, abundant energy to the world.  WHY MARVEL FUSION By joining us, you will be: * Solving one of the most complex technological challenges known to humanity, harnessing Fusion on Earth * Part of a highly purpose-driven team working on providing the world with clean, safe and abundant energy * Working alongside world-leading scientists and entrepreneurs in the field of Fusion * Part of a start-up where growth on a company and individual level is the default WHAT THIS ROLE IS * A manager and systems integrator, not a deep-tech individual contributor. * Single point of accountability for controls, end to end. * Owner of system design across all subsystems: laser, vacuum, beam transport, telemetry, and computer/control systems brought into one coherent whole. * A visionary horizon: designs controls not only for today's experimental facility but for the future power plant, thinking years ahead on what becomes technically possible. WHAT YOU WILL OWN * Architecture and integration of the central control system (PLT) across all subsystems. * Facility-level control system integration for an experimental facility (not factory or serial production). * Femtosecond-level synchronization with the high-power laser. * Vacuum integration and beam transport. * Telemetry plus control integration into the central system. * The core challenge: integration of physical systems into computer and control systems. * Building, structuring, and leading the controls team. Hire, mentor, and genuinely support the people in it. * The long-term controls vision, scaling from today's experimental setup toward a future power plant. WHAT YOU BRING * Proven leadership of technical teams in a scientific or experimental facility, not serial/factory production. * Strong systems design and integration background. You connect complex subsystems into a working whole. * Solid understanding of laser technology, ideally ultra-short pulse laser and laser architecture. * Experience working with software teams and a working understanding of software development. * Excellent stakeholder and project management. You are a manager and communicator first. * Visionary thinking: you design for what becomes technically possible years ahead. NICE TO HAVE * Track record building a controls function or team from the ground up. WHAT WE OFFER Our mission is motivation enough for many. But we also support our team with benefits that foster wellbeing and growth:  * Public transport reimbursement  * EGYM Wellpass fitness club access  * Complimentary health insurance  * Professional development support  * Healthy office snacks  For more information on how we process your application data, please review our privacy notice.