Project Engineer, Process

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, including the GEMS Digital Energy Platform.

Did you know Wärtsilä has delivered 79 GW of power plant capacity and more than 130 energy storage installations in 180 countries around the world?

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 Project Engineer, Process, with the main responsibility of providing process design for engine power plant projects. The location for this position is Vaasa, Finland.

Your role and responsibilities

As a Project Engineer, Process, your work will include:

• Engineering process flow diagrams, P&IDs and device lists
• Performing process calculations and simulations needed for process design
• Creating process descriptions
• Coordinating process design with the core project team, internal experts, design partners and sub-suppliers in own projects
• Supporting project teams with project-specific design packages and other related tasks
• Participating in development and sales projects with various process design-related tasks

The tasks can also be adjusted based on your individual skills and interests. You will be working as part of a multicultural and open-minded Process Engineering & Safety team with diverse expertise.

Requirements for the position: 

• B.Sc. or M.Sc. in Process Engineering, Chemical Engineering, Energy Engineering, or a similar field
• Interest in working in an international team and developing oneself and others

To be able to succeed in the position, we expect you to have:

• Motivation to learn and grow professionally and to be self-driven
• Good communication, negotiation, and teamwork skills
• Ability to understand and work with diverse cultures
• Good English skills, with the ability to communicate both orally and in writing with different stakeholders
• Capability to efficiently produce technical documents in English

Why you and us?

You are valued – as your true self. At Wärtsilä, YOU matter. We value diversity and are committed to supporting an inclusive work community.

Your growth is supported. We believe in continuous learning and teamwork. The 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 to us. Every day, we – Wärtsilians – put our hearts and minds into enabling sustainable societies by turning innovation in technology and services into reality.

Contact & next steps

Please submit your application before the application deadline through our Careers portal. Applications submitted via email will not be considered. After submitting your application, you will receive a confirmation email.

In case of any questions regarding the position, please reach out to:

Joakim Mattbäck

Manager, Technical Expertise, Mechanical & Process

Process Engineering & Safety

Engine Power Plants, Wärtsilä Energy

joakim.mattback@wartsila.com

Last application date: 10/05/2026 

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.

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