Battery Management System Engineer - ( 2+ Years)

We are looking for a skilled Battery Management System Engineer with a solid understanding of BMS architecture, components, and safety features. The ideal candidate should have experience in failure analysis, problem-solving, and Li-Ion batteryassembly, including cylindrical, pouch, and prismatic cells, along with expertise in LV and HV battery system handling.

The role involves developing and integrating new processes in the New Product Development Stage (NPDS), including design for assembly (DFA), design for safety (DFS),design verification analysis (DVA), ergonomics, and cable routing. You will work on BMS architecture, including SOC, SOH, cell balancing, fault detection, safety controls, and protection algorithms, and have a deep understanding of thermal management, energy management, and life optimization algorithms.

Experience with communication protocols such as RS485, Modbus, and CAN is essential, along with the ability to implement custom communication protocols provided by BMS manufacturers. The role also requires proficiency in preparing SOPs, work instructions, and quality checklists. Familiarity with battery chemistries like NMC and LiFePO4 and an understanding of their impact on BMS behavior are required. Knowledge of functional safety standards (e.g., ISO 26262) is a plus. Additionally, the ability to integrate BMS data into higher-level systems or dashboards for monitoring and control is crucial for this role. Responsibilities

• Design, develop, and test embedded software and firmware for BMS applications.
• Integrate and configure BMS hardware including microcontrollers, sensors, and communication interfaces (CAN, UART, SPI, I2C).
• Implement state-of-charge (SOC), state-of-health (SOH), and cell balancing algorithms.
• Collaborate with hardware engineers to design PCB layouts and perform hardware-software co-validation.
• Work with cross-functional teams to ensure compliance with electrical, thermal, and mechanical battery requirements.
• Develop diagnostic tools and support root-cause analysis of field issues.
• Document software design, validation protocols, and change logs.

Skills Required

• Solid understanding of Battery Management Systems (BMS) architecture, components, and safety features
• Failure analysis and problem solving capabilities.
• Good experience in Li-Ion battery assembly(cylindrical, pouch, prismatic cells), adhesive dispensing, electrical assembly , production engineering and Knowledge of quality check points in battery assembly.
• Knowledge of LV and HV battery system handling.
• To develop new processes and integrate in NPDS : DFA, DFS, DVA, Ergonomics and cable routing.
• Experience in BMS architecture, SOC, SOH, cell balancing, fault detection, safety controls and protection algorithms.
• Knowledge of thermal management, energy management, and life optimization algorithms.
• Experience in RS485/Modbus/CAN protocols for communication with BMS and peripheral devices.
• Proficient in preparing SOPs, work instructions, and quality checklists.
• Ability to read and implement custom communication protocols provided by BMS manufacturers.

Added Advantage: Knowledge of functional safety standards (ISO 26262 or similar) is a plus.

Qualifications: B Tech in ECE/EEE

Experience: 2 + years of experience in battery management system

Location : Technopark , Thiruvananthapuram

Skills: soc,lv battery system handling,cell balancing algorithms,li-ion battery assembly,modbus,failure analysis,battery management systems (bms),state-of-charge (soc) algorithms,state-of-health (soh) algorithms,bms architecture,energy management,battery management system,cell balancing,design for safety (dfs),design verification analysis (dva)