Direct impact
With every system you support the energy transition, lower energy costs for industrial companies and contribute to measurable CO₂ savings.
Careers
Join the team that’s rethinking energy.
Help us build the energy transition for industry.
Why FION
What to expect at FION
At FION you work on a product with clear economic value:
we lower energy costs for industrial companies and make the energy
transition pay off for mid-sized manufacturers. Your work has
an immediate effect, and you help shape every project from the start.
Growth market
You build expertise in a market that is growing fast and will become even more important in the coming years.
Close to the founders
You work directly with the founders, benefit from fast decision-making and actively shape how FION develops.
Steep learning curve
You grow quickly, both professionally and as an entrepreneur, and take on responsibility early.
Freedom to shape
You don’t just fill predefined gaps. You help build things, test new approaches and shape our processes.
Office & flexibility
A modern office in the heart of Berlin, a professional barista, height-adjustable desks and flexible working hours.
Values
What defines us as a team
Ownership from day one
We give you trust and real responsibility instead of making you wait for sign-off.
Honest and reliable
We tell it like it is,
and we keep our promises.
Learning from mistakes
We experiment boldly, make mistakes early and learn from them fast.
AI in our DNA
We use AI in everything we do. For us it’s standard, not an add-on.
Straight talk
We’re direct, give honest feedback and hold nothing back.
Growing together
We pull together as a team and support one another.
Open roles
Be part of the team
All details and applications go through JOIN.
Founding Sales Manager B2B (m/f/d)
Battery storage & energy solutions
Technical Project Manager (m/f/d)
Battery storage & grid connection
Working Student, Project Planning & Delivery (m/f/d)
Battery storage (BESS)
Speculative application
Can’t see the right role? If you’re a good fit for FION, we’d still love to hear from you.
Applying
How we hire
Practical and thorough, in four steps.
01
First call
A relaxed first chat to get to know each other, plus an overview of the role.
02
Deep dive
A detailed talk about your past work: specific deals, situations and numbers.
03
Case interview
We give you a real customer situation. You prepare, and then we work through it together.
04
Meet the team
You’ll meet the team in Berlin.