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Senior Power Systems Engineer

Published date Yesterday
Posted: Yesterday
Company Wärtsilä
Company: Wärtsilä
End date April 17, 2024
Due date: April 17, 2024
Location Vaasa
Location: Vaasa

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 76 GW of power plant capacity and more 110 energy storage systems 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 Senior Power Systems Engineer to join our growing software team. The preferred location for this position is Vaasa, Turku or Helsinki, Finland but also locations in the UK are negotiable. 

Your Role:

Senior Power Systems Engineer will play a key role in advancing our electrical and power systems modeling tools. As a Senior Power Systems Engineer, you will be responsible for dynamic modeling of inverter-based resources, with a primary focus on battery energy storage systems (BESS) in software tools like DIgSILENT. Your expertise will be instrumental in grid code analysis and stability assessments of utility-scale standalone BESS as well as hybrid BESS power plants integrated with solar PV systems. This position is an integral part of our Power Systems and Data Science team within a Research and Development capacity, contributing to the evolution of our software capabilities and supporting new product development for automated power system optimization.

Your Essential Responsibilities:

  • Develop, implement, and optimize dynamic models for battery energy storage systems
  • Translate data models and algorithms into functional software, conducting rigorous simulation tests to evaluate model performance
  • Collaborate closely with our software solutions team and hardware testing team to leverage data for detailed battery system modeling
  • Enhance internal models and tools to expedite product development
  • Create comprehensive documentation outlining algorithm and model improvements, with clear justifications for new methodologies
  • Interpret specifications and electrical drawings for large energy project sites that include thermal generation, renewable generation (PV or Wind), and energy storage
  • Flexibility to support tasks outside the defined job description as needed, adapting to a dynamic work environment

Qualifications/Requirements for the Position:

  • Master’s or Ph.D. degree in power systems engineering, electrical engineering, or a related field
  • 3-8 years of relevant experience
  • Strong foundational knowledge of electrical engineering principles
  • Proven experience in modeling inverter-based resources
  • Proficiency with software tools such as PSCAD and DIgSILENT
  • Self-motivated and capable of independent work

Desired Characteristics:

  • Familiarity with code-based modeling using PSCAD, PSS/E, and DIgSILENT software
  • Proficiency in programming languages, particularly Python and Fortran
  • Exceptional attention to detail and a commitment to task completion
  • Effective communication skills to collaborate within the team and seek assistance when necessary

Why you and us?   
You are valued – as your true self. At Wärtsilä YOU matter. We value diversity and are committed in supporting inclusive work community.   
Your growth is supported. We believe in continuous learning & teamwork. 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 for us. Every day, we - Wärtsilians - put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.   

Contact & next steps  
Please submit your application before the application deadline 17th of April 2024 through our Careers portal. Applications through email will not be considered. After submitting your application, you will receive a confirmation email.

Last application date: 17/04/2024 

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. The country's legislation is followed when a person is located outside of Finland.

This is Wärtsilä 

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 17,800 professionals, in more than 280 locations in 79 countries, shape the decarbonisation transformation of our industries across the globe. Read more on

Wärtsilä Energy Storage & Optimization (ES&O) is the leading global energy storage optimizer. Our mission is to deliver integrated energy solutions that build a resilient, intelligent, and flexible energy infrastructure - unlocking the way to an optimized renewable future. By integrating renewables, energy management technology, and storage with traditional energy resources, we reinvent clean energy production from the largest and most complex grids to the most remote and essential microgrids. We play a key role in Wärtsilä’s vision towards a 100% renewable energy future through flexibility, reliability, and integration and a more sustainable world for us all.