Larsen & Toubro Ltd

Battery Energy Storage Systems Product Manager - Utility and Industrial

Larsen & Toubro Ltd
Bengaluru/Bangalore
Not disclosed
Work from OfficeWork from Office
Full TimeFull Time
Min. 5 yearsMin. 5 years

Job Description

BESS Product Manager (Utility and Industry)

BESS Product Manager (Utility and Industry)

Position Summary

The Utility & Industrial BESS Product Manager owns the product vision, roadmap, and lifecycle for large-scale Battery Energy Storage Systems (50 kWh – 10 + MWh). The role spans market analysis, technical definition, product development, containerized system architecture, PCS/EMS integration, safety compliance, and commercial success.

You will work closely with engineering, supply chain, certification bodies, EPC partners, utilities, and large industrial customers to ensure successful deployment of grid-scale and C&I energy storage products.

Key Responsibilities

  • Define product strategy for utility-scale and industrial BESS (AC-coupled, DC-coupled, hybrid ESS).
  • Build the long-term roadmap for containerized BESS (250 kWh – 10+ MWh) and PCS/inverter platforms.
  • Analyse global and domestic market trends (LFP cell tech, 2P/3P configuration, liquid cooling, fire safety).
  • Define competitive differentiation in cost, safety, energy density, lifecycle, and digital integration.
  • Conduct market sizing, TAM/SAM analysis, and customer segmentation (utilities, IPPs, C&I).
  • Create PRDs and system specifications for:
    • Battery packs, racks, and container architecture
    • PCS/inverter requirements (20 ft/40 ft)
    • HVAC/thermal management
    • Fire Detection & Suppression (FDS)
    • BMS/EMS integration
  • Protection schemes, grounding, and grid code compliance
  • Define performance KPIs: round-trip efficiency, degradation, availability, OPEX.
  • Work with R&D on cell selection, topology choices, control algorithms, safety design.
  • Coordinate with electrical, mechanical, thermal, firmware, and EMS teams.
  • Drive certification requirements (UL9540, UL1741, IEC 62933, UL1973, IEEE 1547, BIS and other relevant standards as applicable).
  • Support supply chain in selecting cells, racks, PCS, thermal systems, and auxiliaries.
  • Enable manufacturability, configuration standardization, and cost optimization.
  • Lead product introduction, field trials, and pilot deployments.
  • Develop technical datasheets, manuals, and product documentation.
  • Train internal teams (sales, service, EPC partners).
  • Track product field performance using data analytics and customer feedback.
  • Drive cost-down initiatives (cell sourcing, cooling redesign, cabinet/container optimization).
  • Manage component EOL and product upgrades.
  • Lead next-gen design initiatives (liquid cooling upgrades, modular PCS, sodium-ion readiness, etc.).
  • Good Customer connect in utilities, IPPs, C&I, microgrid segments.
  • Work closely with developer, consultant, EPC, and support design proposal, Product evaluation and technical clarification.

 

Preferred Experience

  • Experience with containerized ESS (1 MWh – 5 MWh blocks).
  • Knowledge of LFP, NMC, and emerging chemistries (sodium-ion, semi-solid).
  • Exposure to battery Energy Storage Application: peak shaving, arbitrage, frequency regulation, black start.
  • Hands-on with commissioning or lab testing of PCS/BESS systems.
  • Experience in tender preparation, technical proposal, System Level Preliminary Design

Education Qualification

  • BE/ME in Electrical/Electronics, Power Electronics.
  • 5-15 Years of Experience in relevant industry

Job role

Work location
Work locationBengaluru
Department
DepartmentEnergy & Mining
Role / Category
Role / CategoryProduct Management - Technology
Employment type
Employment typeFull Time
Shift
ShiftDay Shift

Job requirements

Experience
ExperienceMin. 5 years

About company

Name
NameLarsen & Toubro Ltd
Job posted by Larsen & Toubro Ltd

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