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Kalmar, SE

Function:  Engineering
Job Category:  Engineering

Process Engineer

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.

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. Together, we can create new business opportunities and more sustainable future that we can all be proud of.  Want to join the ride?


Do you want to be part of the green transition to fossil-free energy?


Wärtsilä Gas Solutions in Kalmar develops and manufactures plants that purify biogas from carbon dioxide, hydrogen sulphide and water, 
which enables the purified renewable gas to replace fossil energy in vehicle fuels and in all applications where (fossil) natural gas is used 
today, in both gas and liquid form (CBG/LBG). We also work with development projects in carbon dioxide capture (CCS) and synthetic gas (P2X).
The unit in Kalmar currently has 28 employees and good market prospects mean we need to grow. We are part of the Gas Solutions business area
with headquarters in Asker, Norway, which in turn is part of the listed Wärtsilä with headquarters in Finland. In Kalmar we have both the office
where we do all engineering, and the workshop where the prefabrication, assembly and testing is done before shipping the modules to our customers.
Typical lead time for a project is 6 to 12 months, and sometimes longer, like the BIOMETHAVERSE project funded by the EU which you will be a part of.
Position is based in our Kalmar office.


Your responsibilities

  • Process simulations (Hysys), process calculations and dimensioning of equipment for onshore plants
  • Preparation of control philosophy, operating philosophy
  • Preparation/mark-up of PFDs and P&IDs
  • Development and improvement of new and existing products
  • Participate in project execution and business development
  • Ensure relevant technical information flows through other engineering disciplines
  • Participate in design reviews e.g. Hazop sessions etc.


Our requirements

  • BSc/MSc preferably in chemical and process engineering or equivalent
  • Experience from maritime, Oil & Gas and/or process industry engineering
  • Process modelling experience (preferably Hysys)
  • Understanding of thermodynamics
  • Experienced in using Excel 
  • Willingness to travel if needed, random business trips
  • Ability to work in a multinational team
  • Flexibility, proactiveness, independence and self-motivation
  • Very good English language skills, both verbally and in writing
  • You can be either new from the University or with few years of experience, the important thing is your willingness to learn and grow


           For additional information regarding this position, please reach out to Peter Magnusson - Technical Manager Biogas Upgrade -

Last application date: 31/03/2023 


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. 


This is Wärtsilä 

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 17,000 professionals, in more than 200 locations in 68 countries, shape the decarbonisation transformation of our industries across the globe. Read more on