Field Service Mechanical Engineer

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.

Are you passionate about mechanical engineering and ready to take on exciting challenges in the marine industry? 

We are looking for a Field Service Mechanical Engineer to join our team, with a primary focus on performing Field Service activities on 4-Stroke Marine Engines and Propulsion Systems.

The preferred locations for this position are Bermeo or Valencia, Spain.

Your Role and Responsibilities

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

• Performing maintenance, repairs, and troubleshooting on mechanical systems and equipment at marine and power plant locations.
• Assisting in the setup, testing, and initial operation of new mechanical systems and equipment to ensure proper installation and functionality.
• Supporting the disassembly, inspection, repair, and reassembly of mechanical systems and components during scheduled overhauls to maintain optimal performance.
• Performing maintenance, repairs, and troubleshooting on various types of 4-stroke engines, including Diesel, Gas, and Dual Fuel engines.
• Maintaining, repairing, and troubleshooting different types of propulsion equipment, such as Controllable Pitch Propellers (CPP), Thrusters, and waterjets.
• Travelling extensively (approximately 80% of the time) to various sites to provide on-site mechanical support and services.
• Communicating effectively in written and spoken English.

We value your unique skills and interests, so tasks can be tailored to match your strengths. You’ll be part of a supportive Field Service Team in Spain, working independently on-site but always backed by our operations and technical offices.

To be successful in this role, you should bring:

• Proven experience in troubleshooting, overhauls, and commissioning, including the ability to diagnose and resolve mechanical issues, perform comprehensive overhauls, and assist in the setup and testing of new installations.
• Hands-on experience in mechanical engineering, particularly with Wärtsilä’s 4-stroke engines and propulsion systems.
• Willingness and ability to travel frequently for field service assignments.
• Strong ability to communicate effectively and work collaboratively with colleagues and clients from diverse cultural backgrounds.
• Commitment to adhering to safety protocols and procedures to ensure a safe working environment.
• Demonstrated ability to work effectively as part of a team, contributing to collective goals and supporting team members.
• Proficiency in documenting and reporting on work performed, including maintaining detailed records of maintenance, repairs, and any issues encountered
• Strong English skills (written and spoken).

Why Join Us?

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

Your growth is supported. We believe in continuous learning & teamwork. 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 - Wärtsilians - put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality. 

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.

Are you still wondering if you should apply and would like to get something clarified? Please reach out to Unai Gabancho, Resources Manager Spain, Parts & Field Service Mediterranean via email at unai.gabancho@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: 28/01/2026 

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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