Senior Aftermarket Technician

About WetilityWetility is a leading solar fintech company in South Africa, pioneering subscription-based solar solutions that empower homes and businesses to achieve energy independence. Our innovative approach combines cutting-edge technology with customer-centric financial solutions, driving sustainable growth and making renewable energy accessible to all.As we continue to expand, we are seeking an experienced and technically strong Senior Aftermarket Technician to join our growing team.Job Summary:The Senior Aftermarket Technician is responsible for advanced troubleshooting, repair, and optimization of Wetility’s solar PV and battery systems across the installed fleet.The role leads preventive, corrective, and predictive maintenance activities, including analysing system performance data, diagnosing complex faults, and implementing corrective actions to restore or improve system operation.Senior Technicians manage technical service tickets through Zuper, provide remote and on-site technical support, and engage with customers on technical matters when required. The role also supports field installers attending callouts through remote diagnostics and coordinates RMA processes and technical fault verification.Through technical leadership, structured troubleshooting, and accurate documentation, the Senior Aftermarket Technician contributes to system reliability, operational efficiency, and the continuous improvement of Wetility installations.Key Responsibilities:1. Preventive MaintenanceConduct or oversee scheduled inspections and system health checks.Verify inverter operation, battery performance, and PV system integrity.Ensure system components remain clean, secure, and functioning correctly.Identify potential risks that may affect system reliability.2. Corrective MaintenanceDiagnose and resolve system faults affecting solar PV, inverter, or battery systems.Perform component replacements including inverters, batteries, DC components, and AC distribution board elements.Investigate root causes of system failures and implement corrective actions.Restore system functionality while ensuring compliance with electrical standards.3. Predictive MaintenanceAnalyse system monitoring data to detect early indicators of equipment failure or performance degradation.Investigate abnormal system behaviour or generation trends.Recommend corrective actions or improvements to prevent future failures.4. Remote Technical SupportProvide remote technical assistance to field technicians and installation teams attending callouts.Guide field teams in troubleshooting procedures and equipment testing.Assist in diagnosing system faults before dispatching technicians to site.5. Field Service & Site InterventionsCarry out complex on-site technical work including:Inverter replacement and commissioningBattery diagnostics and replacementDC system repairs and component replacementAC distribution board modificationsSystem rewiring or technical corrections to installationsEnsure work complies with:Wetility installation standardsSouth African electrical regulations (SANS)Internal safety procedures.6. Ticket Management and ReportingManage and update technical service tickets in Zuper.Record troubleshooting actions, test results, and final resolutions.Upload supporting documentation including system readings, logs, and photos.Ensure accurate and complete technical reporting.7. Customer InteractionEngage with customers during technical troubleshooting or on-site visits.Explain system issues and resolutions in a clear and professional manner.Support Customer Success Managers on sensitive or high-touch technical cases.8. RMA and Spare Parts ManagementDiagnose faulty components and verify technical failures.Initiate and support Return Material Authorization (RMA) processes with suppliers.Assist with spare parts usage tracking and stock coordination.9. Technical LeadershipGuide and mentor Junior Technicians.Provide technical training and support on troubleshooting procedures.Ensure adherence to Wetility technical and safety standards.Requirements:Qualified electrician or candidate with at least 1 year of wiring experience, or a technician with a national diploma and 1 year of wiring experience.Experience in solar energy systems, particularly hybrid systems, is advantageous.A valid driver's license is required.Experience in wiring and technical support roles, including exposure to troubleshooting electrical systems, diagnosing technical issues, and providing effective solutions.Proficiency in hardware and software troubleshooting.Knowledge of programming languages and system analysis.Ability to install applications, perform OS setting changes, and configure user accounts.Familiarity with network hardware and peripherals.How to Apply:If the opportunity to join Wetility excites you, please send your CV to [email protected] you do not hear from us within 30 days of the closing date, please consider your application unsuccessful.