Job Title: Junior Service Technician Battery & Energy Storage Systems
Department: Service / Operations
Experience: 0–2 years
Location: Bengaluru
Employment Type: Full time
Reporting To: System Engineer - Battery
Role Summary

We are looking for a Junior Service Technician to support installation, commissioning, troubleshooting, preventive maintenance, and repair of Lithium-ion battery packs, ESS/BESS systems, UPS/inverters, and associated electrical equipment.

The candidate will work closely with service engineers, battery engineers, BMS teams, and customers to ensure reliable and secure operation of deployed battery systems.
Key Responsibilities

A. Installation & Commissioning
Support installation of lithium-ion battery packs, ESS units, BMS, UPS/inverters, cables, connectors, and protection devices.
Perform basic electrical wiring and termination as per approved drawings.
Assist in battery pack installation, commissioning, and functional testing.
Verify polarity, voltage, communication connections, grounding, and protection devices.




Support inverter–battery communication configuration.
Record commissioning parameters and test results.

B. Troubleshooting & Service
Diagnose basic electrical, BMS, inverter, charging, and communication issues.
Perform first-level troubleshooting of:
BMS alarms and faults
Cell over-voltage / under-voltage
Over-temperature / under-temperature
Over-current protection
Communication failures
Charging/discharging issues
Inverter/UPS faults
Contactor, fuse, MCB and wiring issues
Use Multimeter, DC clamp meter, insulation tester, Peak CAN, CAN/RS485 tools and other service equipment.
Escalate complex electrical, BMS, firmware, or software issues to senior engineers.
Replace defective components/modules under approved service procedures.

C. Preventive Maintenance
Conduct scheduled inspection of deployed battery systems.
Check:
Battery voltage
Cell voltage spread
Temperature
SOC/SOH
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📌 Junior Service Technician Bengaluru (India)
🏢 Turno
📍 India