BESS Electrical Design Engineer Lead

Larsen & Toubro • Bengaluru, India

Location Bengaluru, Karnataka

Job Type Full-time

Posted June 04, 2026

Role Description

Role Summary
The BESS Electrical Design Engineer is responsible for the design, analysis, and validation of electrical systems for utility-scale and industrial battery energy storage solutions. The role includes designing HV/LV electrical architecture, protection schemes, cable routing, battery rack wiring, earthing/grounding, and grid interconnection while ensuring compliance with global standards and safe, reliable operation.
Key Responsibilities
Develop complete electrical architecture for containerized or modular BESS that includes HV battery racks and string design, DC bus architecture, PCS/inverter integration, LV auxiliaries (HVAC, fire systems, controls, lighting)
Prepare SLDs (Single Line Diagrams), wiring schematics, and interconnection drawings.
Define cable sizing, protection device selection, busbar design, and interconnection details.
Prepare technical documentation such as SLD, Wiring diagrams, Protection coordi...
            

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