Test Engineer

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 looking for a Test Engineer or Senior Test Engineer (based on experience) with a main responsibility in planning, organizing, and executing component, performance, and functionality tests on technology or product development engine test platforms. The position is permanent and it is located in the Wärtsilä STH in Vaasa, Finland.

Your role and responsibilities: 

As a Test Engineer, you are working in the front end of Wärtsilä’s engine and technology development. We offer you the possibility to participate in the development of future engine technologies and to contribute to the accelerating realization of decarbonization objectives as a part of a Single Cylinder Engine testing team with diverse expertise.

Your work will focus on these responsibilities:

• Maintenance, development, and upgrading of test engines and test infra
• Steering, guiding, and carrying out mechanical assembly tasks related to different test setups
• Planning, organizing, and executing component, performance, and functionality tests on test engines
• Analysing and reporting of test results
• Verification of correct and properly saved measurement data
• Usage of different control and measurement programs
• Update and development of test methods and facilities
• Supporting different activities in product and technology testing
• Co-operating with product/platform teams and expert organization

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

• Relevant technical education (MSc or BSc in suitable field of engineering)
• Interest in and basic knowledge of engine technology. Deeper knowledge of 4-stroke engine technology is an advantage
• Good skills in control & measurement systems are an advantage
• Ability to read and interpret mechanical drawings
• Good skills in communication and documentation
• Good team working skills, as well as the ability to work independently
• Good command of English as well as of Finnish OR Swedish
• Experience in Technology and Product Development related tasks is seen as an advantage

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. We don’t always get it right the first time, and if mistakes are made, we make sure to learn and grow from them. We want everyone to voice their opinions freely. 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?

We have an amazing team, and we are excited about our work and the impact it has on building sustainable societies. We are looking to find a colleague with this shared passion for smart technologies and a sustainable future.

Contact & next steps

We hope to hear from you soon by submitting your application through our careers portal. We aim to keep you updated on the process throughout.

For further questions, please reach out to Jussi Seppä, Manager, PD SCE Testing, through jussi.seppa@wartsila.com with any questions related to this position (only for questions from direct job applicants, applications through email will not be recorded or responded to). 

Last application date: 27/09/2026 

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.

All new Wärtsilä employees in Finland will attend occupational health checks, including drug tests/screenings. When a person is located outside of Finland, the country's legislation is followed.

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.