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Senior Engineer - BESS

Date Posted: Sep 11, 2026
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Job Detail

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    Location Bengaluru, Karnataka, India
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    Job Type: Full Time/Permanent
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    Career Level:
  • group
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    Experience:
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    Gender: No Preference
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    Apply Before: Nov 14, 2026
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Job Description

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 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.
  • 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.

Job details

  • Business: L&T Precision Engineering & Systems IC
  • Location: Bengaluru - L&T Tech Park S2, Karnataka
  • Experience: 5-8 years
  • CTC range: ₹4,00,000 – ₹10,00,000 a year
  • Skills: Service, Energy Storage

Source: Larsen & Toubro careers — Read the original posting and apply

This role is listed by the employer on its own careers site. Kaam Ki Khoj does not process applications for it.

Company Overview

Larsen & Toubro
Larsen & Toubro · Mumbai, Maharashtra, India
400 open roles

Larsen & Toubro is an employer in the Construction/Engineering sector with operations in India. This is a directory listing maintained by Kaam Ki Khoj so that candidates can find the organisation; it is not an official company page and Kaam Ki Kh... Read More

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