
Field Service Technician - Finland
Join Alfen as a Field Service Technician in Finland in our Energy Storage System (ESS) Business. Keep our customers’ energy systems operating at peak performance, solve technical issues independently, and support reliable, sustainable power for customers in Finland and Nordics.
What will you do?
As a Field Service Technician (kenttähuoltoteknikko), you are Alfen’s first point of contact in the field. You will perform maintenance on our systems and resolve malfunctions on-site. Whether it concerns energy storage systems or transformer substations, – you will ensure everything is restored quickly and safely. You will collaborate closely with our Support Engineers and document your activities accurately to support continuous service improvement.
Your tasks and responsibilities include:
- Performing annual maintenance according to schedule and contractual agreements.
- Diagnosing issues, replacing components, and restoring systems.
- Conducting visual and physical inspections and measurements.
- Collaborating with Support Engineers to resolve malfunctions efficiently.
- Reporting used parts and logging fault data in the service management system.
- Maintaining a well-equipped service van with tools and spare parts.
- Identifying opportunities for improvement in processes, products, and customer support.
- Complying with safety regulations and reporting incidents.
What do we ask of you?
We are looking for a technical professional with a hands‑on mentality and a solution‑oriented approach. Additionally, you should have:
What you bring:
- A completed bachelor’s degree (HBO) in Electrical Engineering or
- A successfully completed Electrical Engineering apprenticeship successfully
- 3–5 years of relevant experience in electrical engineering projects, preferably in energy storage or high-voltage systems.
- S2 electrical certification
- Experience with PLC systems (e.g., Siemens) and embedded software.
- Knowledge of electrical installations at both low- and high-voltage levels.
- SFS 6000, Low voltage electrical installations
- SFS 6001, High voltage electrical installations
- SFS6002 (Electrical Safety Card)
- Occupational Safety Card
- Tukes recognised safety training
- First Aid Card (EA1)
- ID06 Card
- Construction Site ID Card (Valtti Card)
- A valid driver’s license (B).
- A Good command of English.
What do we offer?
At Alfen, you will have the opportunity to work in an innovative and fast-growing organization within the sustainable energy sector. We also offer:
- Permanent contract with competitive salary (range 4500 - 5000 EURO gross a month, exl. benefits)
- Company van, phone and laptop
- Good employment benefits, including E-passi for well-being and wide insurance in case of accident covering
- Opportunities for professional growth in a structured environment.
- Able to work from home
Where will you work?
At Alfen, you will be part of a company at the heart of the energy transition. With our in-house developed products and expertise as a system integrator, we are building the electricity grid of the future: reliable, sustainable, and innovative. As a Field Service Technician, you will be on the road supporting our customers and ensuring systems remain operational.
Interested?
Does this position appeal to you? Apply now via the “apply now” button.
Would you like to know what to expect from our application process? Click here.
Please note: A reference check, screening, and Certificate of Conduct (VOG) may be part of the selection procedure. Applications are reviewed continuously, and the vacancy may close early if a suitable candidate is found. Unsolicited recruitment offers in response to this vacancy are not appreciated.

Interested? Get in touch!
