Wärtsilä is an innovative technology company known for being a forerunner in the Marine and Energy markets. Every day, we – Wärtsilians - put our hearts and minds into turning Wärtsilä's purpose of enabling sustainable societies through innovation in technology and services into reality. Our ultimate aim is to provide increased value to both our customers and society. New, game-changing ideas and continuous improvement have been part of our DNA since 1834. Together, we can create new business opportunities and more sustainable future that we can all be proud of. 

We want to transition the world towards a decarbonised and sustainable future. By pushing the boundaries of engineering and technology, we can make it work. We are always on the lookout for future-oriented talent – want to join the ride?

We are reaching out for a skilled talent with a service mindset – are you the perfect fit? 

Wärtsilä Global Business Services (WGBS) provides reliable, scalable, and standardized services to support core business operations. WGBS partners with businesses and drive continuous improvements in end-to-end processes for enhanced effectiveness, quality, efficiency, and compliance.

WGBS Invoice to Pay team is now looking for an energetic and committed students to work as an On-call Trainees to strengthen the Invoice to Pay team located in Vaasa, Finland. You will be working with Wärtsilä companies around the world and supporting with the handling of purchase invoices and other related tasks. As an On-Call Trainee, you can work up to 25 hours per week. The person who is selected for this role needs to be a full-time student studying for a degree in Finland.   

Your role and responsibilities:
 
As an On-call trainee in the team of Invoice to Pay Accountants your work will include handling incoming purchase invoices, solving issues andbeing in contact with various Wärtsilä teams and suppliers to improve the end-to-end process.  You’ll be working as a part of a committed and energetic Invoice to Pay team with diverse expertise. You will not be working on this alone, even though the work requires a high level of independency, as you will have the support from the team. 
 
For us to be the best match, we expect you to have some studies in accounting and experience from working in a customer-facing role. For you to succeed in this position, we hope you have a mindset for continuous improvement and are open to learning new skills.

Requirements for the position: 

• Currently studying Accounting, Business Administration, Economics, or similar in Vaasa
• Systematic and organized way of working
• Self-driven and development-oriented attitude
• Good knowledge of English, other language skills considered a benefit
• The right to work in Finland

To be able to succeed in the position we expect you to have:

• Positive attitude and proactive thinking
• Good communication skills
• Ability to work in a multicultural environment
• Flexibility and good team working skills
• Excellent customer service skills
• Problem-solving capabilities

Why you and us?   
  
You are valued – as your true self. At Wärtsilä YOU matter. We value diversity and are committed in supporting inclusive work community.   
Your growth is supported. We believe in continuous learning & teamwork. Wärtsilian community has your back when it comes to development opportunities – so you can develop beyond your potential.  
You get to make a difference. Innovation and sustainability are important for us. Every day, we - Wärtsilians - put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.   
  
Contact & next steps:
  
Even if you do not feel like you tick all the boxes listed above, please send in your application anyway! You may still be a good candidate for us. The position will be filled as soon as we find a suitable candidate, so please submit your application before the application deadline of 02.10.2025 through our Careers portal. Applications through email will not be considered. After submitting your application, you will receive a confirmation email.
In case of any questions regarding the position, please reach out to:

In case you have any questions, please don't hesitate to contact:

Clara Westerholm, 
Manager, ITP Africa & Americas
clara.westerholm(at)wartsila.com

or

Niklas Åhlgren
Manager, ITP North Europe
Niklas.ahlgren(at)wartsila.com

Last application date: 02/10/2025 

At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities. 

Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.

This is Wärtsilä 

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on www.wartsila.com.