BESS Electrical Design Engineer

Larsen & Toubro • bengaluru, karnataka • Posted June 09, 2026

About the Role

Role Summary

The 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 coordination studies, Electri...