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Vaasa, FI Vaasa, FI Vaasa, FI Turku, FI Helsinki, FI

Function:  Finance & Control
Job Category:  Students & Graduates

Summer Power: Finance & Control

Would you like to work in a company which values you, supports your growth and focuses on innovation & sustainability? Welcome to Wärtsilä!


We are hiring +500 students from all technical and business fields to work with us in different positions, located in Vaasa, Helsinki and Turku with hybrid opportunities and flexible ways of working. 


We are always on the lookout for talents that share our values on decarbonisation and drive to develop

– want to join the ride this summer?


This category includes summer trainee positions for the Wärtsilä Shared Service Center in Vaasa, as well as finance focused positions located inside other areas of business, such as Business Control.


Wärtsilä Shared Service Center (WSSC) supports the Wärtsilä companies in financial accounting and other operational tasks and acts as a gatekeeper to ensure compliance. WSSC is striving for a harmonized one global Wärtsilä way of working with high quality, timely, effective and efficient processes.



As a summer trainee your main task is to support your team with daily tasks and perform work in your area of responsibility according to instructions, tools and required standards. The specific tasks will vary depending on your team, skills, experience and interest.


In the Summer Power campaign, we have trainee possibilities for instance in the following functions:

  • Accounts Payable
  • Invoicing
  • Travel Expenses
  • Payments and Accounts Receivable
  • General Accounting & Entity Close
  • Fixed Assets Accounting
  • Admin billing
  • Intra-Group Matching
  • Master Data
  • Financial Statutory Accounting including Finance, Customs and VAT
  • Export Documentation
  • Finance & Business Control



We are looking for motivated, curious and solution focused students that share our ambitions towards decarbonisation and making a difference. We value team players with the ability to cooperate in an environment that supports diversity and inclusion.


As an ideal candidate you have:

  • On-going studies in a relevant field (Economics, Financial Accounting, Business Administration, International Business or equivalent)
  • Good communication skills and fluency in English, both written and spoken
  • Good IT skills (including MS Office programs)
  • Pro-active, analytical, systematic, and organised way of working
  • Excellent customer service skills and problem-solving capabilities


Also seen as a benefit:

  • Experience with SAP, Microsoft Access and/or PowerBI
  • Interest in developing and automating financial processes
  • Experience in shared services operations
  • Knowledge of VAT and other tax regulations.


We Offer:

  • An inclusive working community where you can be your true self
  • A way to make a difference. Innovation and sustainability are important for us.
  • An opportunity to be involved in providing centralized services in a unique global scope
  • Organised activities for trainees throughout the summer
  • Support for your professional growth. We believe in continuous learning & teamwork.  


Please apply by 28th February 2023 through our recruitment system.


To ensure a fair and equal compensation for all selected trainees, the salary for each trainee (monthly salaries) is set based on the level of studies and number of acquired study credits. The salary range is 1 825€ - 2 535€/month depending on the above given factors.  


Please check the Q&A on our Summer Power site to find answers to your questions.  Further information & questions on summer jobs via email


Please note that the summer job positions are for students only.



This is Wärtsilä 

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 17,000 professionals, in more than 200 locations in 68 countries, shape the decarbonisation transformation of our industries across the globe. Read more on