BESS - Service Engineer

PeopleStrong; Bengaluru; On-site; INR 600,000 - 800,000; Full time

Job summary

DEIC-L&T Precision Engineering & Systems IC in Coimbatore is seeking a BESS Service Engineer to support commissioning, preventive maintenance, troubleshooting, and diagnostics of Battery Energy Storage Systems.

The role requires handling PCS/Inverters, MV/LV equipment, EMS/SCADA, HVAC and safety systems, with responsibilities spanning site acceptance tests, fault diagnosis, performance monitoring, and customer training while ensuring compliance and SLA adherence.

Qualifications

• Bachelor's Degree / Diploma in Electrical Engineering.
• Electrical & Electronics Engineering.

Responsibilities

• 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.
• Monitor plant performance remotely and on site.

Skills

BESS systems

Troubleshooting

Preventive maintenance

Site commissioning

Customer support

Education

Electrical Engineering Diploma

Electrical & Electronics Engineering

Tools

BMS/SCADA

EMS

HVAC

Job description

• DEIC-L&T Precision Engineering & Systems IC

Posted On 11 Sep 2026

End Date 10 Mar 2027

Required Experience 5 - 8 years

Knowledge & Posting Location

General Diploma Bachelor of Engineering (BE)

Job Description

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

• 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 Voltage
  • SOC
  • SOH
  • Temperature
  • Insulation Resistance
• Inspect HVAC, fire protection, and safety systems.
• Prepare maintenance reports and service documentation.

Fault Diagnosis & Troubleshooting

• Diagnose and rectify faults in:
  • Battery Packs
  • BMS (Battery Management System)
  • PCS/Inverter
  • EMS
  • SCADA
  • MV/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.
• 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.