Service Engineer Mechanical (F/M)

Wärtsilä is a world leader in marine technology and leading the industry's transformation towards a decarbonised and sustainable future. With the world’s widest portfolio and service network, we – Wärtsilians - deliver efficient, safe and sustainable integrated products and solutions to enhance the business of our customers. The opportunities presented through digitalisation and new technologies are offering a new era of shipping. We want to change the course towards an interconnected and cleaner maritime future and are constantly on the lookout for future-oriented talent to join our team and to work towards enabling sustainable societies through innovation in technology and services - together.

Business Unit Parts and Field Service is a global organisation with harmonised ways of working and tools to deliver the best possible services for our customers. In our global team we value, respect, and embrace different opinions and diversity. Safety, environment, and wellbeing are our foundation, and we never compromise them.

We are looking for a Service Engineer, Mechanical with a main responsibility in performing maintenance, troubleshooting, overhauls, and commissioning activities on Wärtsilä engines and related mechanical systems.

The preferred location for this position is Gdańsk, Poland, but other locations within Poland may be negotiable.

Your role and responsibilities:

As a Service Engineer, Mechanical, your work will include performing mechanical maintenance, troubleshooting, inspections, overhauls, and commissioning activities on Wärtsilä products and similar medium-bore diesel engines. You will support customers worldwide by ensuring reliable and efficient operation of their equipment while delivering high-quality service according to Wärtsilä standards.

The tasks can also be adjusted based on your individual skills and interests. You'll be working as part of our highly skilled and customer-focused Field Service team with diverse expertise.

As a Service Engineer, Mechanical you will focus on these responsibilities:

• Perform maintenance, troubleshooting, and overhauls on Wärtsilä and similar medium-bore diesel engines.
• Carry out inspections, repairs, and in-situ machining activities at customer sites and onboard vessels.
• Execute commissioning and pre-commissioning activities for mechanical systems and engines.
• Prepare accurate service reports, technical documentation, and expense reports.
• Support testing, trial runs, audits, and investigations while ensuring compliance with Wärtsilä standards.

Requirements for the position:

• Technical education in Mechanical, Marine Engineering, or a related field, combined with relevant field service experience.
• Experience working with Wärtsilä engines or similar medium-bore diesel engine applications.
• Strong mechanical troubleshooting and maintenance expertise.
• Ability and willingness to travel globally for approximately 7-8 months per year.
• Good command of English, both written and spoken.

As an ideal candidate you might also have:

• Experience as a Mechanical Engineer, Lead Man, Mechanical Officer, or Service Engineer.
• Knowledge of auxiliary systems and equipment.
• Basic electrical troubleshooting skills.
• Experience working in power plants, marine environments, or field service operations.
• Strong communication and interpersonal skills in multicultural environments.
• Ability to work independently and under pressure.
• Good reporting and documentation skills.
• Motivation to continuously learn and grow professionally.
• Proficiency with MS Office and digital reporting tools.
• Additional language skills.

In this role, some travel is required to meet with our customers around the world. Thus, we hope you to be ready to travel (approximately 70%), even though most of the meetings are held virtually.

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 for us. Every day, we put our hearts and minds into enabling sustainable societies through innovation in technology and services.

Contact & next steps

Does this sound like the job for you? If yes, submit your application before the deadline through our Careers portal. Applications submitted via email or through recruitment agencies will not be considered.

Our recruiting tool recognizes the time zone where the job ad has been published and closes the application period according to the same time zone. We will be conducting interviews with qualified candidates throughout the process and aim to keep you informed along the way.

Last application date: 13/10/2026 

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. 

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