GEMS Commissioning Engineer

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 130+ projects globally, we’re shaping how the grid of the future works.

In a world of rising complexity and accelerating change, we’re looking for future-focused talent to help us design, deliver, and support the energy systems of tomorrow.

Sound like your kind of challenge? Let’s build it together. 

Location : Australia

The position of GEMS Commissioning Engineer will be part of the growing Site Management & Commissioning Organization and report to Senior Manager of Site Management & Commissioning. The GEMS Commissioning Engineer is mainly responsible to oversee and execute the commissioning of utility-scale Battery Energy Storage Systems (BESS) instrumentation, establishing field communication with devices and troubleshooting. Applicant should have solid understanding of PLC, SCADA, automation, networking, programming and fundamental electrical engineering. Applicant will closely work with the following group: Project Management, Project Delivery, Integrated Applications team and other various groups to successfully commission project as per specified timeline and contract requirements. During site assignment the GEMS Commissioning Engineer will report to Commissioning Manager

Your main responsibilities are :

• As part of the Commissioning team, you will commission and deploy software & control technologies on our GEMS SW platform according to our solution standards and project requirements that solve electrical power and energy problems. You will often need to innovate to meet new challenges.
• When it comes to coding, you will need to code/understand Java, XML,  JavaScript and Python languages from time to time.
• You will need to read a decent 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, solutions and software engineers when commissioning projects.
• Extensive travel domestic/internationally is required from you to perform commissioning works at the Battery Energy Storage sites, or hybrid power plants.

You will shine in this role when you have:

• Degree in Electrical Engineering with experience in substations, power plants and power transmission systems or BESS.
• Experience or knowledge of SCADA standards and products
• Basic knowledge of programming – Java, JavaScript, python.
• Knowledge of Networking – VLAN, NAT, and basic principle of switches and routers configuration.
• Knowledge of industrial communication protocol (Modbus, OPC UA, DNP3, IEC-61850)
• Passionate about renewable energy.
• Attention to details and good time management skill. Ability to multi-tasking and engage multiple projects simultaneously.

 
Optional and Preferred, but we can teach you if you are a fast learner

• Knowledge of TCP/IP network communication devices and protocols
• Java experience
• Experience with 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 ssh and tunneling.
• Working experience with Docker and/or Kubernetes.
• Experience in creating HMI screens.
• Experience with drawing tools to create diagrams such as SLD, P&ID, such as ACAD, or Visio.

Why You and Us 

We have an amazing team and a clear purpose to exist. We are passionate about the work we do and hope to find a colleague with a shared passion for smart technologies and a sustainable future.

All our employees are encouraged to utilise the variety of training activities, learning solutions and self-study materials that we have to offer which supports the opportunity to further develop your talents and competencies within a very global working environment, in an ambitious and growth orientated organisation. 

Contact & Next Steps
Does this sound like the right opportunity for you? If yes, we look forward to receiving your application by 05/03/2026   through our careers portal. If you are still considering whether to apply and would like clarification, please submit your questions via the portal. Applications sent by email will not be recorded or responded to.

Last application date: 05/03/2026 

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. 

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. 

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