This means that you are a suitable candidate for the program if you are studying in
· upper secondary school (lukio) for a matriculation examination
· a vocational education institute (ammattikoulu) for a profession
· an university or university of applied sciences for a bachelor´s / master´s degree
You can find the open Summer Power positions from our Wärtsilä Careers website searching with the word "Summer" once the application period starts on Monday 29.12.2025. Please note that we only accept the applications that are submitted through our official system.
For Summer Power 2026 we have two open job post, one for all white-collar positions (office) and one for all blue-collar (manufacturing & assembly) positions. This means that you can apply to all open Summer Trainee positions with just one application. As there is a variety of different kind of positions, please answer the application questions thoroughly so that the hiring managers can find your profile when they are filtering for suitable candidates. Please note, that we start processing the applications as they arrive and hiring managers will make hiring decisions as soon as a suitable candidate is found - so we recommend to leave your application as soon as possible when the application period starts.
The first and most important step is that you submit your application. Our hiring managers start processing the applications at the beginning of the application period. Each team has different kind of needs for a summer trainee, so the managers will get to know the candidates through their applications.
If you are a potential match, a hiring manager will contact you and invite you to an interview. When a suitable candidate is found, the hiring manager will offer a summer trainee contract for the candidate.
If you get interviewed, but are not chosen to proceed to the contract phase, the manager will inform you about this. Your application will stay active in our recruitment system, so that other managers can contact you in case you could be a suitable candidate for them.
We will try to get all the hiring decisions made and informed to all applicants via e-mail by 30.3.2026.
Yes. As this is a new job post, the old applications are no longer valid.
We have around 600 summer trainee positions that are in teams from all over our organization, so we need future talents from a variety of different fields of study. The positions and tasks can vary a lot depending on the business and team you are working in. In general, usually all trainee positions include supporting your team in day to day tasks, as well as taking on independent responsibilities or projects.
You can find examples with short descriptions of the different positions from the Summer Power page. We also share trainee, team and career stories in our Instagram @wartsilavoice. From these you can see some concrete examples on what kind of positions and tasks we have.
In the application form, you must answer to questions related to your competences and interests - this will support us in finding a matching position for you.
Tell us about yourself. We only know what you tell us in your CV and application. Our hiring managers are trying to find the best possible fit for their team. Make sure that your skills and competences, related previous work experience and any other relevant information is easily available.
Highlight your interests. We are enthusiastic in what we do and want our trainees to be that too. In your application tell us what kind of tasks are you interested in. Is there something you are passionate about? With what kind of matters would you like to work with?
Be active. You can for example come and meet us in career fairs and networking events or take part in our workshops or mentoring programs. Following us in social media platforms is a great way to know what kind of opportunities we offer.
We have some engineering related work opportunities in Finland that include travelling to Wärtsilä sites abroad. You can apply to these positions from the same open Summer Trainee job post.
Summer trainee programs are arranged locally, so if you want to work with another Wärtsilä company abroad, you must look for open positions from the countries you are interested in. You can find all open positions from our Wärtsilä Careers website.
If you have questions related to the Summer Power -program, you can contact us via e-mail: summerpower@wartsila.com.
We will also be present at multiple recruitment fairs in Finland - come and say hi to us! We recommend to follow us in Instagram @wartsilavoice to keep up with the Summer Power -program and the recruitment events we are participating in.