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Vaasa, FI

Function:  Research & Development
Job Category:  Research & Development

Expert, Power Systems

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 with smart technology, and our Smart Marine and Energy visions into reality.

We want to transition the world towards a cleaner 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?


We want to shape the future of the energy sector and lead the way of decarbonisation towards a 100% renewable energy future. Now you have an opportunity to join us in shaping the future!  

We are looking for two colleagues to our Power System team supporting our customers with integrated power system analysis and decarbonisation services aiming to reduce emissions, improve efficiency and ensure stability of the power system. We do this by combining renewable, engine and storage assets by developing control concepts that optimize operations and stability as well as reduce the overall emissions and energy costs for our customers.



Location is Vaasa, Finland, or within European Timezone, in proximity to a Wärtsilä office.   



  • Develop control concepts for decarbonisations solutions, power plants and power systems on the full technology stack. 
  • Modelling and simulations to validate the power system control concepts.
  • Modelling and simulations to ensure grid code compliance of Wärtsilä solutions.
  • Co-create developments with team members, suppliers and partners  
  • Drive our Wärtsilä values and purpose 


  • You hold a Master’s degree or higher in Electric power engineering with more than 5 years of relevant experience 
  • You have good experience with simulation tools as PSCAD, PowerFactory or PSS/E
  • You have good experience within power system control and stability
  • Ability to develop and communicate power system control concepts
  • Good analytical and troubleshooting skills 
  • Fluent written and spoken English 

Skills/experience that are seen as a plus: 

  • Coordination skills; suppliers, internal and external customers 
  • Grid code requirements
  • Power plant site experience
  • Thermal based power plant processes and their control 
  • Ability to think out-of-the-box and challenge conventional ways of working  
  • Strategic mindset and scenario work, seeing the big picture and plan for the future  
  • Analytical skills, as well as creative thinking and problem-solving skills  
  • Planning and execution 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 a diverse and inclusive work community where everyone can be their true self. 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? 
  • You will be a part of a global organization with local presence and work in an exciting and dynamic working environment with highly motivated and skilled co-workers. We offer interesting and challenging work tasks, as well as personal and professional development in a great team.


Please apply by 31st of October, 2021.


For more information, please contact:
Stefan Schleeh
General Manager, Power Systems
+46 70 160 89 10

Last application date: 31/10/2021

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 check, including the drug test/screening. The legislation of the country followed when person is located outside of Finland.


This is Wärtsilä

Wärtsilä is a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation, total efficiency and data analytics, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers. In 2020, Wärtsilä’s net sales totalled EUR 4.6 billion with approximately 18,000 employees. The company has operations in over 200 locations in more than 70 countries around the world. Wärtsilä is listed on Nasdaq Helsinki. Find out more at www.wartsila.com.