(Senior) Operations Expert

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?

Wärtsilä is an innovative technology company and a forerunner in the Marine and Energy markets. Every day, Wärtsilians put our hearts and minds into making our purpose—enabling sustainable societies through innovation in technology and services—a reality. Our ambition is to create increased value for our customers and for society. Since 1834, game-changing ideas and continuous improvement have been at the core of what we do. Together, we can unlock new business opportunities and build a more sustainable future we can all be proud of.

We are committed to helping transition the world towards a decarbonised and sustainable future. By pushing the boundaries of engineering and technology, we can make it happen. We are always looking for future-oriented talent—would you like to join us?

We are now looking for a (Senior) Operations Expert to join our Operations Management Support, MEA team and help shape a better future. This is a permanent position, preferably based in Tokyo, Japan.

What will you be doing:

• Act as a technical expert, provide technical advice to plants under agreement and provide proactive operational and technical support for engines and other auxiliary equipment. Utilizing remote diagnostic and analytical tools analyses and supports installation crew to reliable and efficient plant operations.
• Propose improvements to the equipment performance, inform and manage potential operational risks together with stakeholders to ensure the equipment uptime.
• Ensure customer satisfaction.

As (Senior) Operations Expert, your work will focus on these responsibilities:

• Provide technical and operational support to external and internal customers.
• Solve complex technical and operating problems of the customer assets as well as report and propose product improvement needs to reach quality and cost targets and ensure customer satisfaction
• Identify and actively seek to improve operational reliability and up-time of customer assets.
• Ensure that the performance targets for the installations are reached according to the contract in own responsibility area.
• Proactively provide recommendations to customers based on data/information received
• Report and escalate product improvements to relevant internal stakeholders.

To be successful in this role, we expect you to have:

• Preferably BSc degree in Engineering or equivalent
• Min. 8-10 years of field and hands on experience of Dual Fuel-engines required
• Structured and planned way of working
• Focused and can-do attitude
• Good knowledge of Operations & Maintenance
• Good co-operation and technical communication skills
• Good technical mechanical and automation knowhow
• Strong analytic skills
• Contract business understanding
• Fluent in written and spoken Japanese & English
• IT skills

Why you and us 
You are valued – as your true self. At Wärtsilä 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 put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.  

Contact & next steps
Submit your application before the deadline through our Careers portal. Applications through email will not be considered. After submitting your application you’ll receive a confirmation email. We try our best to get back to everyone within 2-3 weeks after application deadline.  

Please apply by 05/03/2026 at 23:59 Japanese Standard Time. Our recruiting tool recognizes the time zone where the job ad has been published and closes the application period according to same time zone

Last application date: 05/03/2026 

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.