BESS Service Engineer

Location: Coimbatore

Job Type: FTC /Direct Contract

Job Summary

The BESS Service Engineer is responsible for commissioning support, preventive maintenance, troubleshooting, diagnostics, and corrective maintenance of Battery Energy Storage Systems.

The role involves working with battery systems, PCS/Inverters, MV/LV equipment, EMS/SCADA systems, HVAC, Fire Suppression Systems, and ensuring maximum system availability and safety.

Key Responsibilities

Installation & Commissioning Support

Support installation and commissioning of BESS projects.

Perform pre-commissioning checks and site acceptance tests.

Verify battery racks, PCS, transformers, switchgear, EMS, and auxiliary systems.

Coordinate with EPC contractors, OEMs, and customers during commissioning.

Preventive Maintenance

Conduct routine inspection and preventive maintenance activities.

Check battery health parameters including: Cell Voltage

String VoltageSOCSOHTemperature

Insulation Resistance

Inspect HVAC, fire protection, and safety systems.

Prepare maintenance reports and service Diagnosis & Troubleshooting

Diagnose and rectify faults in:



Battery PacksBMS (Battery Management System)PCS/InverterEMSSCADAMV/LV Switchgear

Transformer Systems

Analyze alarms and event logs.

Coordinate with OEM technical teams for complex issues.

Performance Monitoring

Monitor plant performance remotely and on site.

Analyze charging/discharging performance.

Evaluate system efficiency and Round Trip Efficiency (RTE).

Recommend corrective and optimization measures.

Safety & Compliance

Follow electrical safety standards and LOTO procedures.

Ensure compliance with local regulations and OEM guidelines.

Conduct toolbox talks and safety audits.

Support incident investigations and root cause analysis (RCA).

Customer Support

Provide technical support to customers.

Participate in warranty claim assessment.

Conduct training for customer O&M; teams.

Ensure SLAs and response times are met.

Required Qualifications

Bachelor's Degree / Diploma in: Electrical Engineering

Electrical & Electronics Engineering

Experience: 3-8 years of experience in: Same BESS /Similar industries.

📌 Senior Engineer - BESS (India)
🏢 Larsen and Toubro
📍 India