Senior Service Engineer, Mechanical - 4-Stroke Engines

Senior Service Engineer, Mechanical - 4-Stroke Engines

We are looking for a Senior Service Engineer Mechanical to join our Field Service team in Spain, leading and executing complex service activities on 4‑stroke marine engines and propulsion systems. In this role, you will act as the key technical expert on‑site, guiding the work, supporting the team, and ensuring high‑quality service delivery and customer satisfaction.

Your role and responsibilities

• Lead and supervise field service operations for mechanical works on 4‑stroke engines and propulsion systems
• Perform and oversee advanced troubleshooting, maintenance, and repair activities at customer sites
• Take ownership of major overhauls, including disassembly, inspection, repair, and reassembly of critical components
• Execute and lead commissioning and start‑up activities for new installations
• Provide technical guidance and leadership to field service teams and subcontractors on‑site
• Act as the main technical interface with customers, ensuring clear communication and high service standards
• Work across Diesel, Gas, and Dual Fuel 4‑stroke engines
• Troubleshoot and maintain propulsion systems (CPP, Thrusters, Waterjets)
• Ensure strict compliance with safety, quality, and operational procedures
• Travel extensively (up to 80%) to support global field service activities
• Prepare service reports, technical documentation, and recommendations for continuous improvement

Requirements for the position

• Extensive hands‑on experience with 4‑stroke engines (Diesel, Gas, Dual Fuel), ideally in marine environments
• Proven track record in leading overhauls, troubleshooting, and commissioning activities
• Demonstrated ability to lead teams on‑site and manage complex service projects independently
• Strong expertise in marine propulsion systems (CPP, thrusters, waterjets)
• Excellent problem‑solving and decision‑making skills in high‑pressure situations
• Solid customer‑facing experience, with the ability to build trust and manage expectations
• High level of ownership, accountability, and safety awareness
• Strong communication skills in English, both written and spoken
• Willingness and flexibility to travel globally (approx. 80%)
• Ability to work effectively in multicultural and cross‑functional environments

Based on Wärtsila policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.

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.