Full-Time
Senior Experimental Engineer
Marvel Fusion
51-200 employees
Pursues laser-driven inertial confinement fusion
No salary listed
Munich, Germany
In Person
On-site in Munich, Germany.
Bachelor's, Master's
 Mechanical Engineering (1) |
|---|
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- B.Sc. or M.Sc. in Mechanical or Industrial Engineering, or a closely related discipline with 5+ years of industry experience
- Demonstrated experience designing and building precision mechanical systems for high-energy laser experiments or similar research environments
- Proficiency with Autodesk Inventor for mechanical design
- Hands-on experience with vacuum-compatible systems and UHV materials
- Strong understanding of Cooling systems for in-vacuum electronics
- Familiarity with ISO, DIN, and CE standards relevant to mechanical safety, manufacturing, and system integration
- Ability to work independently in both lab and remote deployment settings with minimal supervision
- Strong communication skills and a collaborative, problem-solving mindset
- Design and development of mechanical systems for ion, electron, neutron, and X/gamma-ray diagnostics used in ultrafast laser experiments together with scientists
- Design in-vacuum electronics cooling systems
- Experience with vacuum-compatible assemblies using Autodesk Inventor with emphasis on modularity, alignment, and maintenance
- Integrate diagnostic systems in harsh environments with strong EMP and electromagnetic interference; develop mechanical shielding, cooling and isolation strategies.
- Select UHV-compatible materials, components, and sealing methods for use in experimental vacuum chambers.
- Support assembly, alignment, and field deployment of diagnostic devices at remote experimental facilities.
- Collaborate closely with physicists, electrical engineers, and systems integrators to ensure diagnostic compatibility with laser systems and target chambers.
- Conduct structural, thermal, and mechanical simulations using COMSOL Multiphysics
- Create ISO/DIN/CE-compliant documentation, including technical drawings, BOMs, risk assessments, and safety documentation.
- Experience deploying diagnostics in high-intensity laser facilities or similar environments
- Familiarity with spectrometer types such as Thomson parabola, time-of-flight systems, or scintillator-based detectors
- Proficiency in COMSOL Multiphysics and experience with Geant4, OpenFoam, or other physics codes for shielding and system interaction modeling
- Experience with Design for Manufacturing (DFM) and Design for Assembly (DFA) practices
- Prior involvement in transitioning experimental hardware into low manufacturing quantities
Marvel Fusion develops laser-driven fusion energy using non-thermal direct-drive inertial confinement with nanostructured fuel targets. It aims to trigger fusion reactions with low-neutronic fuels like hydrogen-boron, reducing long-lived radioactive waste. The company builds a new high-powered laser facility in collaboration with Colorado State University, housing multiple multi-petawatt lasers to conduct experiments and advance fusion research. Its approach differs from many competitors by applying direct-drive laser for fusion with nanostructured fuels and a focus on hydrogen-boron to minimize waste, supported by a strong academic and private funding network. The goal is to enable a safe, clean, and reliable fusion power plant that helps the world move toward sustainable energy.
Company Size
51-200
Company Stage
Grant
Total Funding
$166.9M
Headquarters
Munich, Germany
Founded
2019
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Simplify's Take
What believers are saying
- Marvel Fusion closed €113 million in March 2025, lifting total funding to €385 million.
- CSU expects ATLAS completion in 2026, and Marvel Fusion posted construction progress in October 2025.
- LMU inaugurated LION 2 in July 2025, expanding Marvel Fusion's Munich experiment capacity.
What critics are saying
- Marvel Fusion still sells a 2032 prototype, leaving eight years before revenue-scale validation.
- ATLAS completion slipped to 2026, and any CSU delay pushes the first U.S. milestone.
- If target fabrication costs and laser uptime miss plan, the hydrogen-boron thesis dies.
What makes Marvel Fusion unique
- Marvel Fusion pairs laser-driven fusion with nanostructured targets, unlike tokamak competitors.
- Siemens Energy joined in March 2025, giving industrial grid and plant-design credibility.
- Its CSU ATLAS facility targets three multi-petawatt lasers, a rare U.S. asset for 2026.
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Benefits
Flexible Work Hours
Growth & Insights and Company News
6 month growth
↓ -1%1 year growth
↓ -3%2 year growth
↓ -4%Marvel Fusion, a Munich-based energy start-up, secured €113 million in venture capital funding. The company is researching laser-enabled nuclear fusion to create clean energy, with Siemens Energy leading the financing round.
Marvel Fusion, a Munich-based fusion startup, expanded its Series B funding round by €50 million, bringing the total to €113 million. New investors include EQT Ventures, Siemens Energy Ventures, and the European Innovation Council Fund, marking their first investment in fusion energy. Existing investors Tengelmann Ventures and Bayern Kapital also participated. This raises Marvel Fusion's total funding to €385 million, making it the best-funded European fusion company.
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EQT Ventures and Siemens Energy among new backers in Munich-based start-up’s latest funding round
In September, venture activity surged with significant photonics funding. Marvel Fusion secured a €63M Series B led by HV Capital, focusing on inertial confinement fusion. Quantum Source raised $50M in a Series A for photonic quantum computers, while Italian startup Ephos garnered $8.5M in Seed funding. MedTech firm SpectraWave obtained $50M in Series B funding. AttoTude, a networking startup, announced a $29M Series A led by Sutter Hill Ventures.