Technical Manager - Solar & Battery

Diagnose issues across residential solar PV, hybrid inverters and battery energy storage systems

Read and interpret SOC and charging/discharging behaviour, solar generation vs. household load, and grid import/export data

Work through inverter and battery alarms, CT and smart meter readings, RS485 comms issues, and remote monitoring platforms

Handle firmware, configuration, operating modes and commissioning questions

Manage warranty troubleshooting and RMA cases through to resolution with manufacturers

Turn recurring cases into clear, reusable troubleshooting SOPs and stronger technical knowledge

Help train installers and technical support teams on what you know

Contribute to improving AI-assisted technical support quality over time

Solar and OEM experience (essential), ideally across multiple inverter or battery brands

Experience with a solar/battery manufacturer, distributor or major retailer

Multi-brand technical support or warranty/RMA management experience

A track record of building technical SOPs, knowledge bases or training material for installers/support teams

Comfort with CRM, ticketing or case-management systems

An electrical, solar or engineering qualification (an electrical licence is a bonus, not essential)

Curiosity about AI-assisted support or digital service platforms

Sharp attention to detail and a genuine commitment to technical accuracy

If you've ever been the person your team calls when a battery is doing something weird — this is your next role.

📩 Apply now and help build the technical backbone of after-sales solar support.

#LAU

OSW Group is a fast growing global ecosystem of businesses united by a shared vision to accelerate the world's transition to smarter, more sustainable energy and technology solutions. Our portfolio includes One Stop Warehouse (OSW) , GreenSketch , GreenDeal , Manta and Sunmine , combining expertise across renewable energy, AI-powered software, energy finance and digital infrastructure to drive innovation on a global scale.

With operations across Australia, Singapore, China, Europe, the United States and Mexico—and continuing to expand into new markets—we're creating opportunities for ambitious people to build meaningful, international careers. While each of our businesses has its own unique focus, we're connected by a collaborative culture, entrepreneurial mindset and a passion for challenging what's possible.

When you join OSW Group, you're joining more than a company—you're becoming part of a global team that's shaping the future of clean energy and technology. We invest in our people, encourage fresh ideas, celebrate success and provide the opportunity to grow alongside a business that's only just getting started.