Solar Technician

Role summary: Carries out the hands-on mechanical and electrical installation, testing and servicing of solar PV and battery systems as per approved drawings and safety standards.

Key responsibilities

1. Installation
- Mark layouts and install mounting structures (GI/aluminium/MMS), anchors and roof-penetration waterproofing.
- Mount and clamp modules; carry out string interconnection with correct polarity and MC4 crimping.
- Lay and dress DC and AC cables in conduits/cable trays; terminate with proper lugs, glands and ferrules.
- Install ACDB, DCDB, inverters, batteries, energy meters and data loggers as per SLD.
- Install earthing pits, earthing strips and lightning arresters; measure earth resistance.

- Testing and commissioning support

- Measure string Voc, Isc, polarity and insulation resistance using multimeter, clamp meter and megger.
- Assist the engineer in inverter start-up,



Wi-Fi/monitoring setup and load/DG-sync checks.
- Label all strings, cables, DBs and isolators; record readings in test formats.

- Operation and maintenance

- Perform preventive maintenance: module cleaning schedules, torque checks, thermal/visual inspection, connection tightening.
- Attend breakdown calls; diagnose and rectify faults in strings, MC4 connectors, fuses, SPDs, breakers and inverters.

- Safety and site discipline

- Use PPE (helmet, harness, gloves, safety shoes) at all times; follow LOTO before working on live circuits.
- Maintain tools and test instruments in calibrated, working condition.
- Guide and supervise helpers; ensure the site is cleaned up and scrap segregated daily.
- Report daily work done, material used and issues to the Solar Engineer.

📌 Solar Electrician (Chennai)
🏢 Sri Sun Solar Energiser
📍 Chennai