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 seeking a highly motivated (Senior) Technical Expert with a curious mind and a passion for solving problems to lead Wärtsilä's efforts in fuel system troubleshooting and development. We welcome candidates at various levels of seniority, as this role can also be offered as a Senior Technical Expert. The preferred location for this position is ideally in Vaasa (Finland) or in Turku (Finland) or Trieste (Italy). For those with specific Wartsila product knowledge, we could also consider Genova (Italy). In line with our hybrid work model, you will be able to work partially remotely. Your role and responsibilities   As a (Senior) Technical Expert, you will work with technical queries from end customers. You will solve complex technical and operational problems, propose product improvements to meet quality targets, and ultimately ensure customer satisfaction. This role bridges the gap between theory and practice, field operations, and RDE, bringing field incident experience to developers and suppliers to prevent re-occurrence. This role is essential for maintaining the reliability and efficiency of our fuel systems. As we expand our methanol installations and transition towards more sustainable marine fuels, the expertise provided by this position will be crucial in optimising performance, minimizing downtime, and ensuring seamless integration of new technologies. You will be strong technically with ideally methanol but also diesel and other alternative fuels (HVO/Ethanol). Our future fuels projects are at the forefront of our technology roadmap. Your knowledge during commissioning with auxiliary fuel components (for example - pumps, filters, separators, pressure regulators, flow metering, injectors) will be drawn on to provide internal support. Experience working with integrator shipyard fuel system partners and their technology would also be advantageous. Your diagnostic skills and ability to tackle complex challenges will be vital in ensuring the smooth operation of our systems and upholding our high standards of performance. As a Senior Technical Expert, you will focus on these responsibilities:  <ul><li style="font-size:10.0pt;">Serve as the system expert for liquid fuel feed systems, including methanol and dual-fuel configurations.</li><li style="font-size:10.0pt;">Lead root cause analysis and troubleshooting for complex fuel-related issues both in the field and remotely.</li><li style="font-size:10.0pt;">Collaborate with automation, component, and field service teams to resolve technical challenges and improve system performance.</li><li style="font-size:10.0pt;">Provide technical guidance and documentation for internal stakeholders, shipyards, and customers.</li><li style="font-size:10.0pt;">Support commissioning and start-up activities, including on-site coordination and remote diagnostics.</li><li style="font-size:10.0pt;">Conducting site surveys and troubleshooting in the field for more interesting cases.</li><li style="font-size:10.0pt;">Contribute to the development of new fuel system technologies and participate in R&amp;D and product improvement initiatives with suppliers.</li><li style="font-size:10.0pt;">Act as a mentor and knowledge resource for junior engineers and technical specialists.</li></ul> Preferred qualifications and experience: <ul><li style="font-size:10.0pt;">BSc or MSc in Mechanical Engineering or similar education. </li><li style="font-size:10.0pt;">Experience of auxiliary systems in the field.</li><li style="font-size:10.0pt;">A basic understanding of mass and heat balances.</li><li style="font-size:10.0pt;">A genuine passion for engines, related auxiliaries and a desire to make a difference.</li><li style="font-size:10.0pt;">Experience with engine cooling, heat recovery, lubrication, or gas systems.</li><li style="font-size:10.0pt;">A solution-oriented mindset and excellent analytical and technical problem-solving skills.</li><li style="font-size:10.0pt;">Ambition to learn, adapt to, and develop new technologies.</li><li style="font-size:10.0pt;">Proficiency in English, both written and spoken, is required.</li><li style="font-size:10.0pt;">Willingness to travel when required.</li></ul> The following will enable you to succeed in this role: <ul><li style="font-size:10.0pt;">Passionate Problem Solver: A genuine enthusiasm for tackling challenges and making meaningful impact.</li><li style="font-size:10.0pt;">Customer-Centric: Exceptional interpersonal skills and a service-oriented mindset to ensure the best possible experience for our customers.</li><li style="font-size:10.0pt;">Self-Starter: A self-directed approach with the ability to drive work forward independently.</li><li style="font-size:10.0pt;">Collaborative Team Player: A team-player mindset with the ability to work both independently and collaboratively.</li><li style="font-size:10.0pt;">Organized and Proactive: An organized, proactive, and flexible way of working to adapt to various situations.</li><li style="font-size:10.0pt;">Quality Focused: A strong understanding of the importance of quality in every aspect of work.</li></ul> Why you and us?  You are valued – as your true self. At Wärtsilä YOU matter. We value diversity and are committed to support an inclusive work community.    Your growth is supported. We believe in continuous learning &amp; 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 &amp; next steps Does this sound like a 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 Jan Anders Granlund, Manager, Engine Auxiliary Systems via email at jan.a.granlund@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: 24/09/2025  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 <a href="http://www.wartsila.com">www.wartsila.com</a>.  <h1>wärtsilämarine #FSWScareers #FuelYourPower #LI-JDC1972</h1>#LI-SS1​

We enable sustainable societies through innovation in technology and services together with all our stakeholders &ndash; today and tomorrow. We emphasise innovation in sustainable technology and services to help our customers continuously improve environmental and economic performance. We work together with our strong ecosystem of partners every day, providing a wide portfolio of leading technologies and innovative solutions that offer our customers superior uptime, reliability and foreseeable lifecycle costs across their operations. Our global passionate team of 17,500 energy and maritime experts in 200 locations in more than 70 countries is committed to shaping decarbonisation transformation of our industries across the globe.

(Senior) Technical Expert, Liquid fuel systems

Wärtsilä is a world leader in marine technology and leading the industry's transformation towards a decarbonised and sustainable future.&nbsp;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.&nbsp;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&nbsp;- together.&nbsp;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.&nbsp;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.&nbsp;&nbsp;We are seeking a highly motivated (Senior) Technical Expert with a curious mind and a passion for solving problems to lead Wärtsilä's efforts in fuel system troubleshooting and development. We welcome candidates at various levels of seniority, as this role can also be offered as a Senior Technical Expert.&nbsp;The preferred location for this position is ideally in&nbsp;Vaasa (Finland) or in Turku (Finland) or Trieste (Italy). For those with specific Wartsila product knowledge, we could also consider Genova (Italy). In line with our hybrid work model, you will be able to work partially remotely.&nbsp;Your role and responsibilities &nbsp; As a (Senior) Technical Expert, you will work with technical queries from end customers. You will solve complex technical and operational problems, propose product improvements to meet quality targets, and ultimately ensure customer satisfaction. This role bridges the gap between theory and practice, field operations, and RDE, bringing field incident experience to developers and suppliers to prevent re-occurrence. This role is essential for maintaining the reliability and efficiency of our fuel systems. As we expand our methanol installations and transition towards more sustainable marine fuels, the expertise provided by this position will be crucial in optimising performance, minimizing downtime, and ensuring seamless integration of new technologies. You will be strong technically with ideally methanol but also diesel and other alternative fuels (HVO/Ethanol). Our future fuels projects are at the forefront of our technology roadmap. Your knowledge during commissioning with auxiliary fuel components (for example - pumps, filters, separators, pressure regulators, flow metering, injectors) will be drawn on to provide internal support. Experience working with integrator shipyard fuel system partners and their technology would also be advantageous. Your diagnostic skills and ability to tackle complex challenges&nbsp;will be vital in ensuring the smooth operation of our systems and upholding our high standards of performance.&nbsp;As a Senior Technical Expert, you will focus on these responsibilities:&nbsp;&nbsp;<ul><li>Serve as the system expert for liquid fuel feed systems, including methanol and dual-fuel configurations.</li><li>Lead root cause analysis and troubleshooting for complex fuel-related issues both in the field and remotely.</li><li>Collaborate with automation, component, and field service teams to resolve technical challenges and improve system performance.</li><li>Provide technical guidance and documentation for internal stakeholders, shipyards, and customers.</li><li>Support commissioning and start-up activities, including on-site coordination and remote diagnostics.</li><li>Conducting site surveys and troubleshooting in the field for more interesting cases.</li><li>Contribute to the development of new fuel system technologies and participate in R&amp;D and product improvement initiatives with suppliers.</li><li>Act as a mentor and knowledge resource for junior engineers and technical specialists.</li></ul> Preferred qualifications and experience:&nbsp;<ul><li>BSc or MSc in Mechanical Engineering or similar education. </li><li>Experience of auxiliary systems in the field.</li><li>A basic understanding of mass and heat balances.</li><li>A genuine passion for engines, related auxiliaries and a desire to make a difference.</li><li>Experience with engine cooling, heat recovery, lubrication, or gas systems.</li><li>A solution-oriented mindset and excellent analytical and technical problem-solving skills.</li><li>Ambition to learn, adapt to, and develop new technologies.</li><li>Proficiency in English, both written and spoken, is required.</li><li>Willingness to travel when required.</li></ul>&nbsp;The following will enable you to succeed in this role:&nbsp;<ul><li>Passionate Problem Solver: A genuine enthusiasm for tackling challenges and making meaningful impact.</li><li>Customer-Centric: Exceptional interpersonal skills and a service-oriented mindset to ensure the best possible experience for our customers.</li><li>Self-Starter: A self-directed approach with the ability to drive work forward independently.</li><li>Collaborative Team Player: A team-player mindset with the ability to work both independently and collaboratively.</li><li>Organized and Proactive: An organized, proactive, and flexible way of working to adapt to various situations.</li><li>Quality Focused: A strong understanding of the importance of quality in every aspect of work.</li></ul>&nbsp;Why you and us?&nbsp; You are valued – as your true self. At Wärtsilä YOU matter. We value diversity and are committed to support an inclusive work community.&nbsp; &nbsp; Your growth is supported. We believe in continuous learning &amp; teamwork. Wärtsilian community has your back when it comes to development opportunities – so you can develop beyond your potential.&nbsp; &nbsp; 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.&nbsp; &nbsp; &nbsp; Contact &amp; next steps Does this sound like a 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&nbsp; with qualified candidates throughout the process and aim to keep you informed along the way. &nbsp; Are you still wondering if you should apply and would like to get something clarified? Please reach out to Jan Anders Granlund, Manager, Engine Auxiliary Systems via email at jan.a.granlund@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).&nbsp;&nbsp;Last application date:&nbsp;24/09/2025&nbsp;&nbsp;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.&nbsp; 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.&nbsp;This is Wärtsilä&nbsp;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 <a href="http://www.wartsila.com">www.wartsila.com</a>.&nbsp;&nbsp;<h1>wärtsilämarine #FSWScareers #FuelYourPower #LI-JDC1972</h1>#LI-SS1​

(Senior) Technical Expert, Liquid fuel systems

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Wartsila

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