Product Manager – Energy Storage

Loom Solar Pvt. Ltd.; Faridabad District; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Loom Solar in Faridabad, India seeks a Senior BESS Product Manager to lead the end-to-end development of battery energy storage solutions. You will craft a robust 3-year roadmap covering residential and commercial scales, integrating BMS, PCS and EMS with inverter and solar systems.

Collaborate with engineering and supplier teams to ensure safety, performance and cost targets. The role requires deep knowledge of LFP/LiFePO4 and multi-rack architectures, plus a track record in bringing complex

Qualifications

• Experience in developing battery energy storage systems (BESS) products.
• Strong understanding of BMS, PCS, EMS interfaces and safety considerations.
• Ability to work with engineering and inverter teams to define system architecture.

Responsibilities

• Develop a 3-year BESS product roadmap for residential, hybrid inverter-battery combos, C&I, AC/DC architectures and scalable systems.
• Identify market opportunities across rooftop solar, backup, microgrids, and renewable energy projects.
• Own the complete BESS product-development lifecycle from customer requirements to PRD, technical specs, testing, pilot and launch.
• Prepare detailed specifications covering chemistry, cell format, capacity, voltage, energy, C-rate, DoD, efficiency, cycle life, temperature, IP rating, and communication protocols.
• Understand LFP/LiFePO4 technology, cell-to-pack hierarchy, BMS, SOC/SOH, thermal management and safety features; prefer LFP-based storage experience.
• Collaborate with engineering and inverter teams to define power ratings, grid synchronization, and multi-rack operation; align with BMS, PCS, EMS for seamless integration.
• Source, qualify, and manage OEMs for lithium cells, packs, BMS, PCS, EMS/software, HVAC and enclosures; create scorecards and quarterly reviews.
• Manage product economics: BOM, installation, logistics, warranty and service costs; track all components and lifecycle costs.

Skills

BESS roadmap

cross-functional teamwork

BMS integration

lithium battery tech

Job description

ROLE

• Develop a 3-year BESS product roadmap covering residential, hybrid inverter-battery combos, C&I, AC-coupled, DC-coupled, modular, cabinet, containerized, and >1MWh systems
• Identify market opportunities across rooftop solar, residential backup, C&I peak shaving, load shifting, demand management, solar self-consumption, diesel generator replacement, microgrids, telecom, EV charging, open-access projects, solar EPC, captive power, and renewable energy projects
• Own the complete BESS product-development lifecycle from customer requirement to PRD, technical specification, cell selection, pack design, BMS, PCS, EMS, prototype, testing, certification, pilot, and commercial launch
• Prepare detailed product specifications covering battery chemistry, cell format, capacity, voltage, energy, C-rate, DoD, efficiency, cycle life, temperature range, IP rating, communication protocols, BMS architecture, PCS rating, EMS functionality, thermal management, fire protection, safety systems, remote monitoring, and warranty
• Understand LFP/LiFePO₄ technology, lithium-ion battery architecture, cell-to-module-to-pack-to-rack-to-system hierarchy, BMS, SOC/SOH, cell balancing, thermal runaway, degradation, protection, contactor, fuses, and communication architecture; LFP-based stationary storage experience preferred
• Work with engineering and inverter teams to integrate battery, BMS, PCS, hybrid inverter, solar, grid, load, and EMS; define AC/DC architecture, power ratings, charging/discharging power, grid synchronization, grid-forming/following, black-start, backup, parallel and multi-rack operation, and communication protocols
• Identify, qualify, and manage OEM/suppliers for lithium cells, battery-pack OEMs, BMS, PCS, EMS/software, HVAC, fire suppression, and BESS enclosures; evaluate on technology, quality, cost, reliability, warranty, certification, capacity, lead time, service, and financial stability; develop scorecards and conduct quarterly reviews
• Own product economics: track cell, pack, BMS, PCS, EMS, cabinet/container, HVAC, fire safety, installation, logistics, warranty, and service costs; develop BOM,