Senior Service Technician

Wärtsilä; Büyük Çavuşlu Mahallesi; On-site; TRY 120,000 - 180,000; Full time

Job summary

Wärtsilä in Istanbul is seeking a Senior Service Technician to join our Field Service team and support mechanical systems maintenance and repair on customer equipment. You will perform field service activities, work independently or with a team, and travel extensively (roughly 80% of the year) to meet customers worldwide while adhering to safety protocols and company guidelines.

The role emphasizes hands-on problem solving, continuous improvement, and knowledge sharing within a dynamic

Qualifications

• 5–10 years of hands-on field service experience.
• Experience with mechanical systems and maintenance.
• Good communication and teamwork skills.
• English knowledge is a plus.

Responsibilities

• Perform field service, maintenance, and repair on mechanical systems.
• Work independently or in a service team to complete tasks.
• Support continuous improvement and knowledge sharing.
• Follow safety protocols and company guidelines.

Skills

Field service experience

Mechanical aptitude

Communication skills

Teamwork

Wärtsilä Engines knowledge

Travel flexibility

English knowledge

Education

Technical High School / Vocational School diploma

Job description

Wärtsilä Energy leads the transition towards a 100% renewable energy future. We help our partners to accelerate their decarbonisation journeys through our market-leading technologies and power system modelling expertise. These cover decarbonisation services, future-fuel enabled balancing power plants, hybrid solutions, energy storage and optimisation technology.

In this fast changing world of energy, we 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. Want to join the ride?

We are looking for a Senior Service Technician to join our team and contribute to building a more sustainable future.

In this role, you will play a key role in performing field service activities, ensuring high-quality execution, and delivering solutions to our customers.

The preferred location for this position is in Istanbul, Turkey.

Your role and responsibilities

As a Senior Service Technician, your work will include performing field service, maintenance, and repair activities on mechanical systems. The tasks can also be adjusted based on your individual skills and interests. You’ll be working as a part of a dynamic Field Service team with diverse expertise.

As a Senior Service Technician you will focus on these responsibilities:

• Performing mechanical maintenance, troubleshooting, repair, and overhaul activities on customer equipment.
• Executing field service assignments independently or as part of a service team.
• Supporting continuous improvement initiatives and knowledge sharing within the team.
• Following established safety protocols and company guidelines to ensure a safe working environment.

Requirements for the position

• Degree in Technical High School or Vocational School. Associate degree (Relevant technical education like Mechanical Engineering) is advantage.
• 5-10 years of hands-on field service experience. Wärtsilä Engines experience is considered advantage.
• Knowledge about using measurement and hydraulic tools.
• Good communication & teamwork skills.
• Highly effective technical communication skills, both written and verbal
• Ability to adapt quickly to changing project requirements, priorities, and work locations.
• Customer-oriented mindset.
• English knowledge is an advantage.

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 80% time in a year).

Why you and 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.

Last application date: 21/10/2026

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.