Development Engineer / Engine Expert

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 a 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 Development Engineer/Engine Expert with a main responsibility within R&D Ancillary system area. The preferred location for this position is in Vaasa, Finland. We offer a possibility to hybrid work but it will be required to also be in place since you will work closely with test run and testing & validation expertise. In engine laboratories, production and with laboratory engines and systems.

Your role and responsibilities

As a Development Engineer/Engine Expert you will work with engine Ancillary and Auxiliary systems. The tasks can be adjusted, aligned based on your individual skills and interests. You’ll be working as a part of R&D Ancillary team which work in close co-operation with the marine and energy business teams. Due to the wide area with process systems also expanding outside of engine, contact with also external customers will be possible and needed, eg shipyards.

Your work will focus on these responsibilities:

• Working with Low pressure liquid fuel, Lubricating oil. Compressed air and Cooling water systems
• Carrying out System process design, component selections and dimensioning. Quality assurancedocumentation
• Conducting process measurements, inspections of components both inhouse and inexternal premises

Your primary work is planned to be related to de-carbonization and Sustainable Fuels

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

• B.Sc. or M.Sc. degree in a relevant field
• At least 2-3 years of relevant work experience
• Ability to work both independently and collaboratively as part of a team
• Good written and spoken English skills
• Willingness and ability to travel occasionally to customer and supplier locations
• Having the “drive” and interest to do continuous improvement

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 Mathias Björklund, Ancillary team manager. [[email protected], +358 50 5615 204] with any questions related to this position (only for questions from direct job applicants, applications through email will not be recorded or responded to).

Welcome to join us in shaping the decarbonisation of marine and energy!

Last application date: 16/11/2026

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 where applicable. When a person is located outside of Finland, the country 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.