Senior R&D Manager – Energy Storage Systems (ESS/BESS)

Job Title: Senior R&D Manager – Energy Storage Systems (ESS/BESS)

Location: Sonipat, Haryana

Employment Type: Full-time, On-site

Role Overview

We are seeking a highly skilled and innovative Senior R&D Manager to lead the research, development, and validation of advanced Energy Storage Systems (ESS) and Battery Energy Storage Systems (BESS) at iPower Batteries. The ideal candidate will have extensive experience in high-voltage lithium-ion systems, battery pack architecture, and BMS design, driving product innovation from concept to commercialisation.

Key Responsibilities

● Lead the R&D team in designing, developing, and optimizing high-voltage ESS and BESS solutions for industrial, commercial, and renewable applications.

● Oversee new product development (NPD) — from concept, prototype design, and validation to pilot production and field testing.

● Define and validate battery pack architecture, cell selection, thermal management, and safety systems for large-format energy storage applications.

● Supervise BMS hardware and firmware development, including communication protocols (CAN, RS485, UART, Modbus, etc.) and system integration.

● Conduct testing and performance validation of lithium-ion batteries, modules, and systems (electrical, mechanical, and environmental).

● Collaborate with cross-functional teams (Production, Quality, Supply Chain, and Sales) to ensure technical feasibility, cost efficiency, and product reliability.

● Lead efforts in IoT integration, remote monitoring, and data analytics for smart battery systems.

● Prepare and review technical documentation, including BOMs, SOPs, test reports, and validation plans.

● Stay abreast of emerging technologies in battery chemistry, power electronics, and renewable energy integration.

● Mentor and develop junior R&D engineers, fostering a culture of technical excellence and innovation.

Required Skills and Expertise

● Deep understanding of high-voltage ESS/BESS system design (up to 1500V DC).

● Strong background in battery pack design, integration, and validation.

● Expertise in BMS hardware and firmware, SOC/SOH estimation, and communication protocols.

● Proficiency in using laboratory and diagnostic tools such as DSO, CRO, DC-DC power supplies, battery cyclers, and environmental chambers.

● Experience in thermal management systems and safety standards (IEC/UL/IS).

● Proven ability to manage complex R&D projects, suppliers, and cross-functional coordination.

● Strong analytical and troubleshooting skills.

Qualifications

● B.Tech/M.Tech in Electrical, Electronics, or Mechanical Engineering (Ph.D. preferred).

● 8–12 years of experience in R&D for lithium-ion batteries, with at least 3–5 years in ESS/BESS development.

● Hands-on experience with cell characterization, pack testing, and system-level validation.

● Knowledge of latest ESS technologies, renewable integration, and smart grid compatibilit

Job Types: Full-time, Permanent

Pay: ₹100,000.00 - ₹150,000.00 per month

Benefits:

• Leave encashment
• Paid sick time
• Provident Fund

Work Location: In person