Wärtsilä Energy Storage is powering the shift to a cleaner, more resilient grid. We work at the front lines of the energy transition, helping partners around the world maximize the value of renewables through grid‑scale battery systems, advanced software, and expert services. Our portfolio includes the industry‑leading GEMS Digital Energy Platform, utility‑scale battery solutions, and lifecycle services that keep storage assets optimized and ready when it matters most. With over 17 GWh of storage deployed or under contract across more than 130 projects globally, we’re shaping how the grid of the future works. In a world of rising complexity and accelerating change, we are looking for future‑focused talent to help us design, deliver, and support the energy systems of tomorrow.
Key Responsibilities
- As part of the Operational Technology team, you will develop, configure and deploy software and control technologies on our GEMS SW platform according to our solution standards and project requirements, solving electrical power and energy problems. You will often need to innovate to meet new challenges.
- When it comes to coding, you will most often code in Java but will also work with JavaScript and Python from time to time.
- You will need to read a significant amount of electrical engineering documents to understand the design and will develop technical documents of your own according to our standards.
- You will work closely with other electrical, mechanical and software engineers when delivering solutions to projects.
- You may need to travel to the site to help commission your work at large solar, wind, energy storage or hybrid power plants. Our realistic expectations are for approximately up to 20% travel.
Required Qualifications
- Experience or knowledge of SCADA standards and products.
- Basic knowledge of programming – Java, JavaScript, Python.
- Knowledge of networking – VLAN, NAT, and basic principles of switches and routers configuration.
- Knowledge of industrial communication protocols (Modbus, OPC DA/OPC UA).
- Passion for renewable energy; flexibility may be required.
- Knowledge of Grid Code compliance (IEEE 1547) related testing.
- Attention to detail and good time management skills.
- Ability to multi‑task and engage multiple projects simultaneously.
Education
- Degree in Electrical Engineering with experience in substations, power plants and power transmission systems.
Optional and Preferred Skills
- Knowledge of TCP/IP network communication devices and protocols.
- Java experience.
- Experience with industry protocols such as DNP3, IEC‑61850, IEC‑61870‑104‑5.
- Grasp of cybersecurity principles and practices in software products.
- Familiar with Linux OS.
- Working experience with modern software development management tools including JIRA, GIT and Confluence.
- Familiar with remote access, SSH and tunnelling.
Location: UK or Finland only. Last application date: 07/06/2026.
Wärtsilä is committed to diversity, inclusion and equal employment opportunities. Read more on www.wartsila.com.
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