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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.
A strong leader and contributor in supporting new projects and Early Contractor Involvement (ECI)
Ensure that the project technical solution fulfils customer contract and other requirements
Reviewing and providing engineering input and guidance to ensure the energy storage facility solution is fit for purpose and optimized.
Responsible for the project subcontracting
Responsible for managing Balance of Plant engineering interface
Responsible for High-Medium-Low voltage systems and protection relays
Ensure the fire protection and detection system is according to the project requirement.
Plan project engineering phase and engineering work packages
Responsible for technical change and cost management
Ensure good collaboration with Project Management team members, in-house experts, and external engineering services providers
Communicate actively with customers and other business stakeholders on project technical matters




Provide lessons learned and development initiatives
Safeguard that the electrical works are executed according to contract specifications and design directives
Manage and initiate project activities for contractual fulfilment together with Supply Management, suppliers, subcontractors, and other members of the project-specific organization
Plan the works with the total costs and customer needs in focus
Follow-up quality, progress, costs and documentation of the technical area
Report, evaluate and mitigate risks
Participate in customer negotiations when needed and maintain valuable customer relationship
Apply project management best practices
Support sales in Energy Storage project opportunities
Provide Project technical specification and scope of supply review
You will shine in this role when you have:
Excellent verbal and written communication skills in English
B.Eng.
or M.Sc.
in engineering (preferably Electrical)
Specialised cross discipline technical expertise within Substation/ BESS or solar engineering
Need good electrical engineering background and good understanding of other engineering discipline
Proficient in Control Systems & Industrial Communication protocols
Project Management experience (minimum 5 years)
Minimum 5+ years delivering major projects, ideally in utility scale energy storage and renewable energy projects
Leadership experience and skills




Good negotiation and presentation skills
Cost awareness & effectiveness
Excellent teamwork skills
Proactive attitude and positive Can-Do mind-set
Technical report writing skill and engineering analysis skill are desired.
Why you and us
You are valued,
as your true self.
At Wärtsilä we value diversity and are committed in supporting inclusive work community.
Your growth is supported,
We believe in continuous learning & teamwork.
Wärtsilian community has your back when it comes to development opportunities – so you can develop beyond your potential.
You get to make a difference,
Innovation and sustainability are important for us.
Every day, we put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.
Please apply by 25/08/2026 at 23:59 Australian Standard Time.
Our recruiting tool recognizes the time zone where the job ad has been published and closes the application period according to same time zone
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 onwww.wartsila.com .
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📌 Technical Manager (New South Wales)
🏢 Wärtsilä
📍 New South Wales