Application Engineer – Battery Energy Storage Systems (BESS)
Location : Bangalore
The Application Engineer – BESS will be responsible for technical solution development, system sizing, proposal support, customer engagement, and application engineering for Utility Scale and Commercial & Industrial (C&I;) Battery Energy Storage Systems.

The role requires robust knowledge of BESS sizing methodologies, renewable energy integration, grid services, power conversion systems (PCS), EMS, battery technologies, and project techno-commercial evaluation.

The engineer will work closely with Sales, Product Management, Engineering, EPC, and Customers to develop optimized BESS solutions for various applications.

Key Responsibilities
BESS Solution Design & Sizing
Perform BESS sizing based on customer requirements and project use cases.
Develop technical solutions for:
Peak Shaving
Load Shifting
Demand Charge Management
Solar + Storage , Wind + Storage
Backup Power
Microgrid Applications
EV Charging Support
Frequency Regulation
Grid Ancillary Services




Renewable Firming
Capacity Firming
Energy Arbitrage
Black Start Applications
Perform energy and power calculations considering:
Load Profiles
Solar/Wind Generation Profiles
Battery Degradation
Round Trip Efficiency
Availability Requirements
Future Expansion Requirements
Understand Grid Code requirements and utility interconnection requirements.
Analyse customer load data and electricity tariff structures.
Develop business cases with Perform ROI, IRR, Payback Period and LCOE analysis.
Proposal & Customer Support
Support sales teams during customer discussions.
Prepare: Technical Proposals, Compliance Matrix, Single Line Diagrams (SLD) System Architecture Drawings. Bill of Materials (BOM), Technical Datasheets
Conduct technical presentations and customer workshops.

System Engineering
Define system architecture including:
Battery Containers
PCS/Inverters
MV Stations
EMS/

📌 Bess Application Engineer Bengaluru (India)
🏢 Larsen and Toubro
📍 India