Our client is an established energy solutions business is seeking a technically strong and customer-focused Technical Support Engineer to support advanced battery energy storage systems (BESS) deployed across the Residential and Commercial & Industrial (C&I;) market.
The Opportunity
With strong growth across solar and storage, the business requires a hands‐on technical specialist to support installers, EPCs, and project teams through design validation, commissioning, troubleshooting, and ongoing technical advisory.
This role sits at the intersection of engineering, product expertise, and customer support.
The role would be ideal for someone who enjoys solving problems, working directly with technical stakeholders, and being part of a rapidly evolving energy transition sector.
Key Responsibilities
Provide pre‐sales and post‐sales technical support for battery energy storage systems
Review and validate system designs, schematics, and integration approaches
Support commissioning activities (remote and occasional on‐site)
Troubleshoot system performance issues and provide technical resolutions




Deliver technical training to installers, EPCs, and partners
Develop technical documentation, installation guides, and best‐practice standards
Liaise with global manufacturing and engineering teams to resolve complex issues
Support compliance with Australian standards and grid requirements
About You
Engineering qualification (Electrical, Power Systems, Renewable Energy or similar)
Experience with battery energy storage systems, inverters, or power electronics
Solid understanding of solar + storage integration
Familiarity with Australian electrical standards and grid connection requirements
Confident communicator able to engage with installers, engineers, and commercial stakeholders
Solutions‐focused, structured, and highly responsive
If you're passionate about energy storage and enjoy bridging the gap between engineering excellence and customer delivery, we'd welcome a confidential discussion.
Apply now or contact Lionel Lim at for further information.
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📌 Technical Support Engineer (Resi / C&I) (Western Australia)
🏢 Brunel
📍 Western Australia