Technical Support Engineer

This is a hands-on technical role for someone who takes ownership of problems and sees them through to resolution. You won’t just log tickets—you’ll diagnose, fix, and follow issues end-to-end. You’ll sit at the centre of operations, bridging installation teams, customers, and manufacturers. The right hire here prevents delays, protects reputation, and keeps systems performing as they should. Key Responsibilities: * Diagnose and resolve faults across solar PV and battery systems * Provide technical support for systems including Sunsynk, Hanchu, Tesla (Powerwall), and Sigenergy * Investigate underperformance, faults, communication issues, and system errors * Liaise directly with manufacturers to escalate and resolve technical issues * Remotely access systems where possible to diagnose and resolve faults * Attend customer properties when required to troubleshoot and recommission systems * Support installation teams with technical queries and commissioning issues * Interpret system data, logs, and monitoring platforms to identify problems * Ensure systems are operating safely, efficiently, and within design parameters * Manage and prioritise support tickets to meet response and resolution targets * Provide clear updates to customers in plain English (not technical waffle) * Assist with warranty claims and technical documentation The ideal candidate will have: * Strong understanding of solar PV systems, battery storage, and inverter operation * Hands-on experience with installation, commissioning, or fault finding * Solid knowledge of system components: inverters, batteries, optimisers, monitoring platforms * Ability to diagnose electrical and communication faults (AC/DC side) * Comfortable speaking directly with manufacturers and pushing for resolutions * Ability to work independently and take ownership of problems * Good customer communication — calm under pressure, no fluff * Competent with apps, portals, and remote monitoring systems