Mechanic, Testing & Validation

Wärtsilä Marine, Power Supply, R&D and Engineering, Testing & Validation is looking for two Mechanics.

As a Mechanic, you will work at the forefront of Wärtsilä's engine and technology development as our operations continue to expand. We offer you the opportunity to become part of an expert team dedicated to developing future engine technologies and advancing the fastest possible transition away from fossil fuels. The position is permanent, and based in Vaasa, Finland, at our Sustainable Technology Hub in Vaskiluoto.

As a Mechanic, you will focus on these responsibilities:

• Testing the components, performance, and functionality of test engines in the engine laboratory, as well as operating the test engine and test equipment
• High-quality mechanical installation work required for testing
• Maintenance, development, and modification work on test engines and auxiliary systems
• Ensuring occupational safety by following instructions and regulations, as well as reporting safety-related observations and making improvement suggestions
• Using various control and measurement programs and tools
• Development of testing methods and environment
• Various tasks related to engine and technology development

To be successful in this role, we expect you to have:

• Technical education suitable for the tasks (vocational school or equivalent technical education/relevant work experience)
• Interest in engine technology and knowledge of its fundamentals; deeper knowledge of four-stroke engine technology is considered an advantage
• Familiarity with control and measurement systems is considered an advantage
• Knowledge of electrical/automation systems is considered an advantage
• Ability to read and interpret technical drawings
• Ability to use manual and electrical tools
• Good ability to work both in a team and independently, including shift work when required
• Fluent Finnish and/or Swedish language skills
• We work in a multicultural environment, so proficiency in English is considered an advantage

The position requires that the person we are looking for is able to:

• Prepare and carry out the necessary measurement situations and mechanical installations according to schedule
• Ensure the quality of testing activities so that results are reliable and comply with industry standards as well as Wärtsilä's guidelines
• Work safely
• Collaborate in a way that ensures fair teamwork
• Work in shifts when required

Why you and us?

You are valued – as your true self. At Wärtsilä YOU matter. We value diversity and are committed to supporting an inclusive work community.

Your growth is supported. We believe in continuous learning and teamwork. The 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 to us. Every day, we – Wärtsilians – put our hearts and minds into enabling sustainable societies through innovation in technology and services.

Contact & next steps

We look forward to receiving your application and discussing how you can contribute to our team. Please submit your application through our Careers portal no later than 13.9.2026. Applications submitted by email will not be considered. After submitting your application, you will receive a confirmation email.

For further information, please contact:

Jussi Seppä Manager, PD SCE Testing jussi.seppa@wartsila.com

Oskar Häyry Manager, RD SCE Testing oskar.hayry@wartsila.com