
IONCOR is an agile independent battery solutions company with Nordic roots and decades of experience as a leading partner for some of the world’s most admired brands. With a wide range of professionals in Finland and Germany, we provide modular battery products, customized solutions and contract manufacturing to energize a global energy transition. Buses, trucks, construction, material handling and agriculture are examples of categories where production volumes of equipment are lower, and end-use cases more complex and diverse, making a swift and viable transition a real challenge. This is where we come in.
We help customers master and gain maximal value out of battery technologies across the lifecycle, from early specifications and end-user support to reuse and recycling. This is how we electrify a global energy transition.
As a Trainee / Working Student, you can kick-start your career with gaining hands-on experience and be a part in shaping the future of battery technology.
We are looking for an eager Trainee / Working Student to join our Strategy and Business Development team As part of our compact two‑member team, your contribution will have a direct impact on our strategy and market intelligence work.
As a trainee, you will support the team across a variety of strategic and analytical tasks, including:
The position can be located either in Turku, Finland or Munich, Germany As a working student in Germany, the contract period is linked to the duration of your studies. As a Trainee in Finland, you would work with us from March through August.
A hybrid working model is possible, depending on the tasks (we have an office in Helsinki, which can be used on hybrid days).
During the traineeship, you will gain hands-on experience in:
Opportunity to join an agile and innovative team dedicated to driving the global energy transition through advanced battery solutions. With our Nordic heritage and expertise, we provide the chance to work on cutting-edge projects across diverse industries, where electrification presents unique challenges, a good work–life balance and a feeling of creating something new.
Interested, but still have questions? You can find more information about us on our website
Finland:
If you can’t find an answer to your question, Ohto Järmälä (Senior Specialist Strategy & Business Development) would be happy to hear from you:
Email: ohto.jarmala(at)ioncor-batteries.com
Phone: +358 408093756 (available on February 12–13, 08:30–10:00 EET)
Germany:
If you can’t find an answer to your question, Enrico Springer (Manager Talent Acquisition) would be happy to hear from you:
Email: enrico.springer@ioncor-batteries.com
Phone: +49 1755305467
Join our team and apply by 22.2.2026 via our application tool. Please note that we’ll start reviewing candidates during the application period, and the position may be filled before the deadline.
We look forward to receiving your application!

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