[Skip to main content](#main-content)

[OpenNash Jobs](https://jobs.opennash.com/)
[Hiring report](/reports/hiring/) · [All Larsen & Toubro jobs](https://jobs.opennash.com/companies/larsen-toubro/) · [Search jobs](/search/)

Larsen & Toubro

# Senior Engineer - BESS

Contract or temporary Senior individual contributor Operations 

Listed on Larsen & Toubro’s official careers site. Posted October 7, 2026. Check that it is still open and apply there.
[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_SE-B_1882229)

[OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / Senior Engineer - BESS

## Job description

### BESS Service EngineerLocation

CoimbatoreJob Type: FTC /Direct ContractJob SummaryThe 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 ResponsibilitiesInstallation & Commissioning SupportSupport 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 MaintenanceConduct routine inspection and preventive maintenance activities.

### Check battery health parameters including

Cell VoltageString VoltageSOCSOHTemperatureInsulation ResistanceInspect HVAC, fire protection, and safety systems.Prepare maintenance reports and service documentation.

Fault Diagnosis & TroubleshootingDiagnose and rectify faults in: Battery PacksBMS (Battery Management System)PCS/InverterEMSSCADAMV/LV SwitchgearTransformer SystemsAnalyze alarms and event logs.Coordinate with OEM technical teams for complex issues.Performance MonitoringMonitor plant performance remotely and on site.Analyze charging/discharging performance.Evaluate system efficiency and Round Trip Efficiency (RTE).Recommend corrective and optimization measures.Safety & ComplianceFollow 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 SupportProvide technical support to customers.Participate in warranty claim assessment.Conduct training for customer O&M teams.Ensure SLAs and response times are met.

Required QualificationsBachelor's Degree / Diploma in: Electrical EngineeringElectrical & Electronics EngineeringExperience:3-8 years of experience in: Same BESS /Similar industries.

## Qualifications

General Diploma; Bachelor of Engineering (BE)

## At a glance
- Posted by the employer: Oct 7, 2026
- First seen by OpenNash: Oct 12, 2026
- Last checked: Oct 19, 2026
- Listed for: 12 days
- Employment type: Contract or temporary[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_SE-B_1882229)

## More jobs at Larsen & Toubro

### [Head Of Product Engineering - Power Electronics (Renewables)](https://jobs.opennash.com/companies/larsen-toubro/jobs/258823e39135529316c8/)

### [Product Engineer - Motor](https://jobs.opennash.com/companies/larsen-toubro/jobs/31bcfe292e1fea01df77/)

### [Lead BMS Design](https://jobs.opennash.com/companies/larsen-toubro/jobs/012209a5619c374b48b9/)

### [Product Leader EV](https://jobs.opennash.com/companies/larsen-toubro/jobs/00c221e8a557f5ed8eb0/)

### [Production Engineer - Motor](https://jobs.opennash.com/companies/larsen-toubro/jobs/80a0a082a5b9b02cf1e3/)

## Similar jobs at other companies

### [Solutions Engineer – Systems Integration (BESS)](https://jobs.opennash.com/companies/aes/jobs/bf577bc7fd041e65a91a/)

AES 

### [Senior Solutions Engineer – Systems Integration (BESS)](https://jobs.opennash.com/companies/aes/jobs/81f257904e38635e5292/)

AES 

### [Senior Electrical Systems Engineer (BESS)](https://jobs.opennash.com/companies/abb/jobs/18f286b552b5b3ac008b/)

ABB · Napier, Hawke's Bay, New Zealand

### [R&D Modelling and Simulation Engineer (Edge Solutions, BESS) - IDC](https://jobs.opennash.com/companies/hitachi/jobs/10f509ab0a38b24b975b/)

Hitachi · Chennai, TN, India

### [Energy Storage Engineer – BESS / Elektrotechnik (m/w/d) Oldenburg, Niedersachsen Oldenburg, Niedersachsen ENGINEERING / DESIGN STUDIES / METHODS ENGINEERING / DESIGN STUDIES / METHODS Permanent](https://jobs.opennash.com/companies/vinci/jobs/e8b5150d5055c839836a/)

VINCI · Oldenburg, Niedersachsen

OpenNash lists jobs from employers’ own careers sites and does not handle applications.
Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)