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Internship – Venture Development (f/m/x)

Posted Oct 14, 2026

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Marvel Fusion GmbH

München

EnglishPraktikumInternship

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Salary (estimate)

Full-time reference: €37,000–€58,000/year

About this job

Introduction

Who we are

Founded in 2019, Marvel Fusion is Europe's leading fusion energy company, uniting 120 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

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

As part of our Venture Development Internship Program, you get structured onboarding and weekly reviews with your manager.

Your tasks

By joining us, you will be:

What you will own

You will be embedded directly in Corporate Development and work across multiple areas of Marvel Fusion, depending on where the biggest impact is needed at the time you join. We shape the role together based on your background, your interests and our current priorities.

What you will always be working on in some form:

Owning at least one core project end to end, visible to leadership
Driving efficiency and process improvements across the company
Supporting organizational topics and cross-functional initiatives
Acting as a Swiss Army knife across departments, wherever the need is greatest

Beyond that, your projects will vary. One intern might build financial models and support investor materials and due diligence. Another might go deep on operations or process optimization. That is the point. You will be where Marvel Fusion needs sharp, fast, hungry people the most.

Currently enrolled in a Bachelor's or Master's program at a top university
Genuine interest in fusion energy and the mission of Marvel Fusion
At least one example where you owned a project end to end
Strong analytical skills and the ability to translate complexity into clarity
Hands-on AI user: you use LLMs daily in your work
Proactive, ownership-driven mindset: you don't wait to be asked
Do-or-build mentality: you move fast and get things done
English at C1 level or above

What sets you apart:

Prior experience in a startup, VC, consulting, investment banking or corporate strategy
Experience with financial modelling or investor materials
Experience or demonstrated interest in deep tech or energy
German language skills

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Job facts

Employer: Marvel Fusion GmbH
Role: Internship – Venture Development (f/m/x)
City: München
Work mode: not stated
Language: English
Seniority: Praktikum
Posted: Oct 14, 2026
Source: StepStone

Company rating

Glassdoor 3.0
7 reviews
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Kununu 4.6
9 reviews
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