Senior Engineer_ Battery Applications and Integration

Olectra Greentech; Hyderabad; On-site; INR 1,200,000 - 2,100,000; Full time

Job summary

Olectra Greentech in Hyderabad is seeking a Senior Engineer for Battery Applications and Integration. The role focuses on HV Li-ion pack integration, commissioning, debugging and cross-functional support across BMS, pack, vehicle controls, software and testing teams.

The candidate will contribute to prototype builds through validation and field support, with hands-on experience in HV safety and rapid issue resolution. Strong CAN/UDS skills and cross-functional collaboration are essential.

Qualifications

• Bachelor's or Master's degree in Electrical, Electronics, Automotive, Mechatronics, Controls or related engineering.
• 4+ years of hands-on Li-ion battery pack applications/integration experience, preferably automotive/EV.
• Strong practical experience in HV battery integration, commissioning and system debugging.
• Good understanding of BMS, HVIL, contactors, pre-charge, isolation monitoring, charging and battery protection.

Responsibilities

• Execute HV battery pack integration and system bring-up with VCU, BMS, inverter, charger, thermal systems and vehicle controls.
• Perform CAN/CAN-FD debugging; analyze CAN traces, DBCs, DTCs, diagnostic messages, alarms and BMS parameters.
• Debug HV, electrical, electronic, communication, BMS and thermal issues during bench, prototype, vehicle and field operation.
• Support validation of BMS functions, SOC/SOH/SOP, HVIL, contactors, pre-charge, isolation monitoring, protection and derating strategies.
• Support battery/vehicle builds, commissioning, test execution and issue tracking through development and launch.

Skills

HV battery integration

CAN/CAN-FD

BMS

System debugging

Electrical fundamentals

UDS

Education

Bachelors or Masters in Electrical/Electronics/Automotive

Tools

CANalyzer

CANoe

CANape

Vehicle Spy

MATLAB/Simulink

Python

Job description

Senior Engineer_ Battery Applications and Integration

Function: Battery Engineering | Experience: 4+ years | Reports to: Sr. Manager Battery Applications Engineering | Location: Hyderabad

Role Overview

Hands-on engineering role responsible for HV Li-ion battery pack integration, commissioning, debugging and application support for automotive programs. The role will work across BMS, Pack, Vehicle Controls, Software and Testing teams to ensure seamless battery system integration from prototype builds through validation and field support.

Key Responsibilities

• Execute HV battery pack integration and system bring-up with VCU, BMS, inverter, charger, thermal systems and vehicle controls.
• Perform electronic handshaking and CAN/CAN-FD debugging; analyze CAN traces, DBCs, DTCs, diagnostic messages, alarms and BMS parameters.
• Debug HV, electrical, electronic, communication, BMS and thermal issues during bench, prototype, vehicle and field operation.
• Support validation of BMS functions, SOC/SOH/SOP, HVIL, contactors, pre-charge, isolation monitoring, protection and derating strategies.
• Support battery/vehicle builds, commissioning, test execution and issue tracking through development and launch.
• Reproduce failures and drive root-cause analysis and corrective-action closure with Pack, BMS, Software, Controls and Testing teams.
• Support battery application requirements, test cases, diagnostic strategies and validation plans.
• Maintain integration procedures, troubleshooting guides, test reports and technical issue databases.
• Support field/customer escalations and rapid resolution of battery system issues.
• Follow stringent HV safety procedures during battery and vehicle-level activities.

Required Qualifications & Experience

• Bachelor's/Master's degree in Electrical, Electronics, Automotive, Mechatronics, Controls or related engineering.
• 4+ years of hands-on experience in Li-ion battery pack applications/integration engineering, preferably automotive/EV.
• Strong practical experience in HV battery integration, commissioning and system debugging.
• Good understanding of BMS, HVIL, contactors, pre-charge, isolation monitoring, charging and battery protection.
• Hands-on knowledge of CAN/CAN-FD and UDS with tools such as CANalyzer, CANoe, CANape, Vehicle Spy or equivalent.
• Ability to interpret CAN logs, DBC files, DTCs, diagnostic messages and system data.
• Understanding of SOC/SOH/SOP, charge/discharge limits, thermal derating and battery protection.
• Experience with prototype builds, vehicle integration and system-level troubleshooting.
• Strong understanding of HV safety and safe working practices.

Preferred Skills

• EV/HEV battery application experience with exposure to BMS calibration, HIL, embedded software or battery testing.
• Working knowledge of MATLAB/Simulink or Python for data analysis.
• Experience with structured problem solving such as 8D, 5-Why and Fishbone analysis.
• Experience working with multiple cross-functional engineering teams and external suppliers/partners.

Success Profile

Hands-on debugger | Strong electrical/electronic fundamentals | Data-driven problem solver | Fast issue closure | Strong cross-functional collaboration | Safety-focused | High ownership

Key Success Outcomes

Fast system bring-up | Seamless vehicle integration | Effective CAN/BMS debugging | Rapid issue resolution | Reliable validation | Reduced integration defects | Robust application documentation

Preferred background: EV/automotive OEMs, battery manufacturers, BMS companies, Tier-1 suppliers or battery technology organizations with hands-on HV battery application, integration, commissioning and diagnostics experience.