Senior Expert, Process

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?

We are always on the lookout for talent with a growth mindset – are you the one?

We are looking for a (Senior) Expert, Process to take technical ownership of charge air equipment and process ventilation for engine power plants. You will define the technical requirements and configuration principles that guide system design, equipment specifications, sales tools and product data, while supporting safe and reliable solutions throughout the product lifecycle.

The preferred location for this position is Vaasa, Finland, but also Helsinki or Turku can also be considered. We offer the possibility of hybrid work.

Your role and responsibilities

In this role, you will combine process system expertise, product management and system integration. You will work closely with the Mechanical and Process team, Product team, suppliers and stakeholders across sales, project delivery and plant lifecycle. The role requires independence and clear technical judgement, but you will have the support of experienced colleagues and a multidisciplinary product organisation.

Your work will range from resolving project-specific questions on charge air filtration and process ventilation to developing solutions for future power plant concepts, including applications for new sustainable fuels. Process ventilation is also an important part of plant safety concepts, making risk-based design and participation in safety studies a central part of the position.

Your work will focus on these responsibilities:

- Act as Product and Development Manager and t ake technical ownership of charge air equipment and process ventilation systems and products.

- Develop charge air filtration concepts and process ventilation solutions for current and future engine power plant concepts, including applications using sustainable fuels.

- Define and maintain technical requirements, configuration rules, equipment specifications, design guidance, sales-tool inputs and product data.

- Coordinate system development, supplier collaboration and portfolio maintenance together with the Product team.

- Support safe plant design by contributing expertise to HAZID, HAZOP and LOPA studies and to the development of plant safety concepts.

- Provide expert-level support to s ales, project delivery and l ifecycle teams throughout the product lifecycle.

- Contribute technical leadership and knowledge sharing within the Product team and the wider engineering organisation.

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

- A BSc or MSc degree in mechanical, process or HVAC engineering, or another relevant engineering discipline.

- Knowledge of charge air filtration systems, preferably in power plant or engine applications.

- Experience in process ventilation systems; experience related to sustainable fuels is considered an advantage.

- Knowhow of process system design, including system functionality, instrumentation and control interfaces.

- Familiarity with process safety methods such as HAZID, HAZOP and LOPA.

- Understanding of product development, technical product management and product portfolio maintenance.

- A systematic and structured way of working, attention to detail and the flexibility to operate in a dynamic engineering environment.

- Good written and spoken English, together with strong collaboration and communication skills in an international organisation.

Why you and us?

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

We are authentic and honest, and we strongly believe 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 for a colleague with this shared passion for smart technologies and a sustainable future.

Contact & next steps

We hope to hear from you soon and receive your application via our Careers portal. We aim to keep you updated throughout the process.

For further information regarding this position, please reach out to Jan Krooks, General Manager, Mechanical and Process, at [email protected] or +358 (0)40 565 1826 (only for questions from direct job applicants; applications sent by email will not be processed or responded to).

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

Last application date: 25/11/2026

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. 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.

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 .