Senior Development Engineer, Power Systems

Wärtsilä; Vaasa; On-site; EUR 70,000 - 100,000; Full time

Job summary

Wärtsilä Energy is seeking a Senior Development Engineer, Power Systems to bring expertise in power systems, modelling and grid code requirements. The preferred location is Vaasa, Finland, with Helsinki or Turku as alternative sites.

You will develop power system models and run simulations using PowerFactory and PSCAD to ensure regulatory compliance and performance. You will collaborate across teams, apply Python automation and AI to engineering workflows, and translate complex topics for

Qualifications

• Master's degree or higher in Power Engineering or closely related field.
• Minimum of 3 years of experience with grid code requirements, power system modelling and simulations.
• Analytical mindset with ability to colaborar and explain complex topics clearly.
• Experience using Python or similar tools and practical AI in engineering workflows.

Responsibilities

• Assess power plant performance, interpret grid code requirements and analyse test results for regulatory compliance and performance.
• Develop power system models and perform simulations using PowerFactory and PSCAD.
• Collaborate with the team on development activities, measurement campaigns or project and sales support.
• Develop and improve workflows using Python automation and AI.

Skills

Analytical mindset

Teamwork

Clear communication

Python and AI in engineering workflows

Fluent English

Education

Master's degree in Power Engineering

Tools

PowerFactory

PSCAD

Job description

Wärtsilä Energy Business is developing and delivering competitive products and solutions for the power systems across the globe. Our scope ranges from microgrids to large- interconnected grids and from base load to balancing markets.

The power systems around the globe are undergoing major transformations where the share of synchronous generation is decreasing in the generation mix. At Wärtsilä Energy we are committed to decarbonisation of energy and enabling 100 % renewable power generation. To be prepared for the transformation, regulators and grid operators are developing the requirements and novel market mechanisms. The Power Systems team has the invaluable role to ensure Wärtsilä’s market position, competitiveness and compliance to regulation and requirements worldwide. We do this by our expertise in power systems, grid code requirements and modelling and simulation.

We are looking for a Senior Development Engineer, Power Systems to bring expertise in power systems, modelling and simulations and grid code requirements.

The Senior Development Engineer, Power Systems will be reporting to the General Manager, Power Systems. Preferred location is Vaasa, Finland, but also Wärtsilä locations in Helsinki or Turku can be considered.

Key Responsibilities

As a Senior Development Engineer, Power Systems you will

• Assess power plant performance, interpret global grid code requirements, and analyse test results to ensure Wärtsilä engine power plants achieve regulatory compliance and expected operational performance.
• Develop power system models for Wärtsilä’s synchronous engine power plant solutions and perform simulations with them using tools such as PowerFactory and PSCAD.
• Collaborate with the team in development activities, measurement campaigns or technical project and sales support cases as part of your daily activities.
• Develop and improve ways of working by applying tools such as Python automation and AI.

Required Qualifications

Education

Master's degree or higher in Power Engineering or a closely related field

Experience

Minimum of 3 years of experience in working with grid code requirements, power system modelling and simulations.

Core competencies

• Analytical mindset and ability to distinguish relevant information
• Ability to collaborate in a team and support other team members
• Ability to translate and explain complex technical topics in a clear and understandable way for non-technical audiences
• Experience using Python or similar tools and practical application of AI in engineering workflows.
• Fluent written and spoken English

Beneficial Skills And Abilities

• Experience with power system control, stability and design
• Ability to write concise reports
• Ability to work in a consultative manner with internal and external stakeholders and Experience with synchronous machines

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 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 to find a colleague with this shared passion for smart technologies and a sustainable future.

Please reach out to Jesse Asikainen, General Manager, Power Systems, through [e-mail] with any questions related to this position.

Last application date: 25/10/2026

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.

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.