Chief Test Engineer / Test Engineer

• Wärtsilä is hiring a Chief Test Engineer or Test Engineer to join the Large Bore Engines Test and Validation team in Vaasa, Finland.
• The role involves planning, organising and executing engine component and system tests, maintaining and upgrading test engines and facilities, and analysing and reporting measurement data.
• Applicants must hold a BSc or MSc in mechanical engineering, have basic or advanced knowledge of 4‑stroke engines and practical machinery skills, and have good command of English and Finnish or Swedish.
• The Chief Test Engineer role additionally requires project and team leadership, mentoring and stakeholder management, and candidates should apply via Wärtsilä's careers portal by 08.10.2026.

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 Chief test engineer or Test engineer to work with engines in R&D and Engineering, Large Bore engines, Test and Validation team. The location for this position is Vaasa, Finland.

Your role and responsibilities:

In above mentioned position, you will be working in Test and Validation team at the front end of Wärtsilä’s engine and technology development. We are offering you a 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 skilled engine test team. 

 As a Test Engineer, you will focus on the following responsibilities: 

• Maintenance, development and upgrading of test engines
• Planning, organising and executing engine components and system related test activities on laboratory engines, production engines and sometimes field engines and test rigs
• Taking care about test components ordering and test related arrangement on the engine and in the test cells and participating to engine test runs and needed preparations
• Analysing and reporting of test results
• Verification of correct and properly saved measurement data
• Updating and developing test methods and test facilities
• Usage and development of different control and measurement programs
• Supporting different activities in engine and technology testing

In this case, candidates with a few years experience with 4-stroke engines or test laboratory environments will be noticed.

In addition, in case of Chief test engineer position, the applicant should meet the requirements through their 4-stroke engine expertise, technical capabilities, experience, project and team leadership skills, and ability to build networks and work consistently with complex stakeholders. Additionally:

• Drives the designs, plans and documentation for technical solutions or testing activities as a key contributor
• Being able to support complex projects and mentor others with in-depth technical guidance
• Drives specific R&D activities and outcomes, integrating innovative solutions and fostering a culture of continuous improvement
• Plans and leads small projects or work groups and coordinates team activities
• Develops and maintains strong relationships with internal and external stakeholders, providing technical support for decision-making

In both cases, you’ll be working as a part of dynamic and competent Large Bore Engines Test and Validation team with diverse expertise.

Requirements for the position: 

• Relevant technical education (BSc or MSc) from mechanical engineering area
• Basic or advanced knowledge of 4-stroke engine technology
• Ability to read and interpret system schemas and mechanical drawings
• Machinery engineering skills and practical abilities, such as repair and/or maintenance activities and experience in a power plant environment, as well as testing functions for large or technically demanding equipment, are considered advantageous as well as deeper knowledge and experience of 4-stroke engine technology
• High interest in 4-stroke engine technologies

Qualifications/to be able to succeed in the position we expect you to have: 
 

• Skills and previous experiences in working with large bore engines are an advantage
• Good skills in communication and documentation
• Good team working skills, as well as ability to work independently
• Good command of English and Finnish or Swedish

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. Please submit your application before the application deadline of 08.10.2026. Applications through email will not be considered. After submitting your application, you will receive a confirmation email.

For further questions, please reach out to Ari Nousiainen, Manager W46 testing, Large Bore engine Testing & Validation through +358 40 525 1202 with following scheduled times: 02.10.2026 at 13.00–15.00 or 05.10.2025 at 13.00-15.00.

Last application date: 08/10/2026 

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.

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.