Electrical Supervisor/Commisioning Engineer

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 79 GW of power plant capacity and more than 130 energy storage installations 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?

Energy Business Construction and Commissioning Services is now looking for two Electrical Supervisor/Commissioning Engineers. As an Electrical Supervisor/Commissioning Engineer, your main responsibility is to plan and supervise electrical installation and commissioning activities at project sites. This position therefore requires approximately 250 days of international travel per year.

This position offers you an opportunity to use and expand your expertise in an international and dynamic environment, working on new-build power plant installation and commissioning. Projects, production locations, Wärtsilä offices, customers, and suppliers can be found all over the world. We offer you an interesting position and the possibility to work with a successful global team in an international company.

This is a permanent position, and the home office location is either Turku, Vaasa, or Helsinki, Finland. Please note that residing in one of these home office locations is not mandatory.

Responsibilities during installation:

• Guide electrical subcontractor(s) at the site


• Ensure that planned works are executed according to the Last Planner System


• Maintain good reporting practices


• Ensure that electrical as-built drawings are completed and communicated


• Safeguard compliance with HSSE policies and minimize risks in electrical installations and tests


• Coordinate construction and installation works in cooperation with Civil and Mechanical disciplines


• Perform inspection of received material and goods at site


• Participate in the electrical weekly site meetings


• Perform quality control and installation inspections at the site


• Guide the subcontractor(s) with electrical design and installation instructions


• Assist the subcontractor(s) in planning, organizing, and executing electrical works


• Advise and support the client in planning, organizing, and executing tests


• Ensure that safe inspections and test procedures are followed


• Instruct subcontractor(s) to use accepted test and inspection methods and proper test equipment


• Perform testing of installed equipment and document test results


• Maintain punch list


• Ensure that all required documents are submitted and signed by the customer for taking over of the plant

Responsibilities during commissioning:

• Perform start-up and tests of equipment within the scope of the contract


• Follow the commissioning plan


• Follow commissioning and performance test procedures


• Ensure that all test results are documented according to Wärtsilä instructions


• Safeguard compliance with EHS policies and minimize risks during commissioning


• Ensure that safe commissioning practices are followed


• Resolve and record technical problems during commissioning


• Participate in the site commissioning meetings


• Ensure that safe and calibrated test equipment is used


• Maintain good reporting practices


• Guide operation personnel with plant design and functionalities


• Assist the client with commissioning procedures and testing


• Ensure the safe and reliable function of the plant and equipment


• Ensure that as-built drawings are completed and communicated


• Maintain punch list


• Ensure that all required documents are submitted and signed by the client for taking over of the plant

To be successful in this role, we expect you to have:

• B.Sc. or M.Sc. in Electrical Engineering


• Familiarity with relevant codes and standards


• Understanding of utility generation construction, and commissioning practices (working experience in similar tasks preferred)


• Good communication and team-building skills


• Willingness to learn and adapt to new technologies


• Willingness to travel


• Ability to adjust to a wide range of conditions and cultural environments


• Good command of English, both oral and written


• Other languages are seen as an advantage

Please note that relocation costs and/or immigration support in moving to Finland are not available for this position.

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

Contact & next steps

We hope to hear from you soon by submitting your application through our Careers portal. We aim to keep you updated on the process throughout.

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

Last application date: 31/08/2026

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 where applicable. When a person is located outside of Finland, the country 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.