Marvel Fusion develops laser-driven inertial confinement fusion systems using ultrashort-pulse/femtosecond lasers to ignite nanostructured silicon targets manufacturable by semiconductor lithography, pursuing high-repetition-rate, mass-manufactured solid hydrogen–boron fuel fusion.
<div class="content-intro"><h2><strong>Who we are</strong></h2> <div> <p><span data-contrast="auto"><span data-ccp-parastyle="paragraph">Founded in 2019, Marvel Fusion is Europe’s leading fusion energy company, uniting 75 scientists, engineers, and entrepreneurs across</span><span data-ccp-parastyle="paragraph"> our locations in Munich and Colorado</span><span data-ccp-parastyle="paragraph">.</span></span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335559738":0,"335559739":0,"335559740":240}"> </span></p> <p><span data-contrast="auto"><span data-ccp-parastyle="paragraph">Backed by over €385 million in public and private funding, </span><span data-ccp-parastyle="paragraph">we’re</span><span data-ccp-parastyle="paragraph"> driven by a shared mission: to deliver clean, abundant energy to the world.</span></span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335559738":0,"335559739":0,"335559740":240}"> </span></p> </div> <h2><strong>Why Marvel Fusion</strong></h2> <p>By joining us, you will be:</p> <ul> <li>Solving one of the most complex technological challenges known to humanity, harnessing Fusion on Earth</li> <li>Part of a highly purpose-driven team working on providing the world with clean, safe and abundant energy</li> <li>Working alongside world-leading scientists and entrepreneurs in the field of Fusion</li> <li>Part of a start-up where growth on a company and individual level is the default</li> </ul></div><h2 id="responsibilities-heading" class="external-panel__heading"><strong>The impact you will make</strong></h2> <div>We are seeking an experienced and technically versatile <span data-teams="true">Senior Experimental Engineer </span>to lead the design, assembly, testing, and deployment of advanced diagnostics systems for ultrashort-pulse laser-matter interaction experiments. This role focuses on developing rugged, vacuum-compatible, and EMP-resilient spectrometers and detectors for ion, electron, neutron, and X/gamma-ray measurements in high-field experimental environments.</div> <div> </div> <div>The ideal candidate will possess both strong mechanical engineering fundamentals and hands-on field experience, capable of transitioning experimental diagnostics into low production while ensuring compliance with international standards.</div> <h3><strong>Your responsibilities</strong></h3> <ul> <li> <div>Design and development of mechanical systems for ion, electron, neutron, and X/gamma-ray diagnostics used in ultrafast laser experiments together with scientists.</div> </li> <li>Design in-vacuum electronics cooling systems</li> <li> <div>Experience with vacuum-compatible assemblies using Autodesk Inventor with emphasis on modularity, alignment, and maintenance</div> </li> <li> <div>Integrate diagnostic systems in harsh environments with strong EMP and electromagnetic interference; develop mechanical shielding, cooling and isolation strategies.</div> </li> <li> <div>Select UHV-compatible materials, components, and sealing methods for use in experimental vacuum chambers.</div> </li> <li> <div>Support assembly, alignment, and field deployment of diagnostic devices at remote experimental facilities.</div> </li> <li> <div>Collaborate closely with physicists, electrical engineers, and systems integrators to ensure diagnostic compatibility with laser systems and target chambers.</div> </li> <li>Conduct structural, thermal, and mechanical simulations using COMSOL Multiphysics</li> <li> <div>Create ISO/DIN/CE-compliant documentation, including technical drawings, BOMs, risk assessments, and safety documentation.</div> </li> </ul> <h2 id="skills-heading" class="external-panel__heading"><strong>What you bring</strong></h2> <ul> <li>B.Sc. or M.Sc. in Mechanical or Industrial Engineering, or a closely related discipline with 5+ years of industry experience</li> <li> <div>Demonstrated experience designing and building precision mechanical systems for high-energy laser experiments or similar research environments</div> </li> <li> <div>Proficiency with Autodesk Inventor for mechanical design</div> </li> <li> <div>Hands-on experience with vacuum-compatible systems and UHV materials</div> </li> <li> <div>Strong understanding of Cooling systems for in-vacuum electronics</div> </li> <li> <div>Familiarity with ISO, DIN, and CE standards relevant to mechanical safety, manufacturing, and system integration</div> </li> <li> <div>Ability to work independently in both lab and remote deployment settings with minimal supervision</div> </li> <li> <div>Strong communication skills and a collaborative, problem-solving mindset</div> </li> </ul> <h2><strong>What sets you apart</strong></h2> <ul> <li> <div>Experience deploying diagnostics in high-intensity laser facilities or similar environments</div> </li> <li> <div>Familiarity with spectrometer types such as Thomson parabola, time-of-flight systems, or scintillator-based detectors</div> </li> <li> <div>Proficiency in COMSOL Multiphysics and experience with Geant4, OpenFoam, or other physics codes for shielding and system interaction modeling</div> </li> <li> <div>Experience with Design for Manufacturing (DFM) and Design for Assembly (DFA) practices</div> </li> <li> <div>Prior involvement in transitioning experimental hardware into low manufacturing quantities</div> </li> </ul> <p> </p> <h2><strong>What we offer</strong></h2> <p><span data-contrast="auto"><span data-ccp-parastyle="paragraph">Our mission is </span><span data-ccp-parastyle="paragraph">motivation enough</span><span data-ccp-parastyle="paragraph"> for many. But we also support our team with benefits that foster wellbeing and growth:</span></span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335559738":0,"335559739":0,"335559740":240}"> </span></p> <ul> <li><span data-contrast="auto"><span data-ccp-parastyle="paragraph">Public transport reimbursement</span></span><sp