On-call Trainee, Travel Expenses

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 always on the lookout for a talent with a growth mindset – are you the one?

Wärtsilä WGBS supports the Wärtsilä group companies in financial accounting and other operational tasks. We are now looking for energetic and committed students to work as On-Call Trainees to strengthen the Travel Expenses 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.   

 

What do we offer?

 

• Collaborative, supportive and innovative atmosphere
• Possibility to co-operate with many different stakeholders globally
• Great colleagues and a multicultural working environment
• Possibility to learn and develop your professional skills with modern tools
• Career progression opportunities within a global organisation

 

What are the responsibilities in this role?

 

• Checking travel and expense reports according to agreed time schedule and ensuring prompt payment
• Verifying that travel and expense reports are created according to Wärtsilä Global Travel Policy and according to local legal requirements
• Act as a gatekeeper to ensure compliance
• Verifying exchange rates and that VAT deductions are made correctly
• Informing travellers about possible errors and correction needs
• Supporting local travel contact persons, other internal and external partners and providing help for Wärtsilä travellers
• Continuously improving the process within own responsibility area
• Give input to robotic process automation (RPA)
• Other tasks related to monitoring and quality control

 

 

Requirements:

 

• Currently studying Accounting, Business Administration, Economics or similar
• Systematic and organized way of working
• Fluent in English, with other language skills considered as an advantage (e.g. Finnish, Swedish, French, Spanish, Portuguese, Japanese, Chinese)
• Positive attitude and a mindset for continuous learning
• Proactive and analytical
• Good communication skills and ability to work in a multicultural environment
• Flexibility and good team working skills
• Excellent customer service skills and problem-solving capabilities
• Must have the right to work in Finland, and live in Vaasa 

 

Why you and us?

We at Wärtsilä believe in empowerment, ownership and taking responsibility of our work. We support each other’s growth and co-creation is the true basis of our innovation. We have courage to see opportunities and take initiative.
We are authentic and honest, and we strongly believe in that by being your own true self you can accomplish so much more. That is why we have built an environment that empowers you and everyone around you, and where you can feel safe and cared for. Are you eager to be part of this ambition?

 

Contact & next steps:

We hope to hear from you before the application deadline September 10th, 2025, through submitting your application through our career’s portal. We will start the interview process as soon as we find suitable candidates. We aim to keep you updated on the process all the way. Applications submitted via email will not be considered. After submitting your application, you will receive a confirmation email.

 

Hiring manager to give further information: 
Nathalie Österblad, ITP Manager, Travel expenses
Nathalie.osterblad@wartsila.com

Last application date: 10/09/2025 

 

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.