Process 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. Did you know that shipping is the world’s most efficient mode of transportation and that 88% of the world's trade is carried by sea?

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. Are you ready to jump onboard?

We are looking for a Process Engineer willing to mix creativity and engineering skills to develop design of fuel systems for the marine industry.

The preferred location for this position is Vaasa (Finland) but also Helsinki, Turku (Finland), Trieste (Italy) are negotiable. We offer the possibility of hybrid work. 

Your role and responsibilities 

As a Process Engineer you will have the possibility to follow the entire lifecycle of our products from initial design to operational support through manufacturing, installation and commissioning at shipyard.

Your work will mainly focus on the design of piping & instrument diagrams (P&ID) of fuel supply systems for LNG, Methanol and Ammonia, but you will also have the chance to expand skills and competences on thermodynamics and fluid dynamics simulation.

You will be responsible to define technical specifications for process equipment (pumps, heat exchangers) and develop operating procedures.

You’ll be working as a part of a young, international and dynamic team with contagious enthusiasm and expertise.

Requirements for the position:

• BSc or MSc in the field of Technology and Engineering
• Knowledge of the marine/shipbuilding industry is seen as an advantage
• Experience with AutoCAD
• Experience with Process simulation software (Ansys, AFT Fathom)

Qualifications/to be able to succeed in the position we expect you to have:

• Good technical knowledge and problem-solving skills
• Ability to work independently
• Responsible, flexible, proactive, stress-resistant and planning skills
• Fluency in the English language, both written and verbal
• Good communication and collaboration skills

Why you and us?  

We at Wärtsilä believe in empowerment, ownership and taking responsibility of our work. We support each other’s growth, and co-creation is the true basis of our innovation. We have courage to see opportunities and take initiative.

We are authentic and honest, and we strongly believe in that by being your own true self you can accomplish so much more. We don’t always get it right the first time, and if mistakes are made, we make sure to learn and grow from them. We want everyone to voice their opinions freely. That is why we have built an environment that empowers you and everyone around you, and where you can feel safe and cared for. Are you eager to be part of this ambition?

We have an amazing team, and we are excited about our work and the impact it has on building sustainable societies. We are looking to find a colleague with this shared passion for smart technologies and a sustainable future.

Contact & next steps 

We hope to hear from you soon by submitting your application through our careers portal. We aim to keep you updated on the process throughout.

For further questions, please reach out to Paolo Casalotto, Manager, Process Engineering, paolo.casalotto@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).

Welcome to join us in shaping the decarbonisation of marine and energy!

Last application date: 09/10/2025 

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.

All new Wärtsilä employees in Finland will attend occupational health checks, including drug tests/screenings where applicable. When a person is located outside of Finland, the country legislation is followed.

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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