System Testing Engineer
Position Summary We are seeking a highly motivated BMS System Test Engineer to support validation and verification activities for Battery Management Systems (BMS) used in electric vehicles, energy storage systems, or battery-powered products. The ideal candidate will have experience in system-level testing, HIL validation, CAN communication, diagnostics, and battery system integration.
The engineer will work closely with hardware, software, controls, and validation teams to ensure reliable and safe BMS functionality under various operating conditions.
Key Responsibilities
Develop and execute system-level test plans, test cases, and validation procedures for Battery Management Systems (BMS)
Perform functional, integration, regression, and performance testing of BMS hardware and software
Conduct Hardware-in-the-Loop (HIL) and bench-level testing for battery systems
Validate battery protection features including over-voltage, under-voltage, over-current, thermal protection, and fault handling
Analyze CAN logs, diagnostics, and test results to identify issues and support root cause analysis
Work with cross-functional teams to troubleshoot and resolve system-level issues
Automate test scripts and validation processes using Python, CAPL, or similar scripting tools
Support verification of SOC, SOH, balancing, charging, and thermal management algorithms
Use tools such as CANoe, CANalyzer, Vector tools, MATLAB/Simulink, or dSPACE for testing and analysis
Maintain test documentation, validation reports, traceability matrices, and defect tracking records
Support vehicle-level or pack-level integration and validation activities
Ensure compliance with automotive quality and safety standards including ISO 26262
Required Qualifications
~ Bachelor’s degree in Electrical Engineering, Electronics Engineering, Automotive Engineering, Computer Engineering, or related field
~3+ years of experience in BMS testing, automotive system testing, or embedded system validation
~ Strong understanding of lithium-ion battery systems and BMS functionalities
~ Experience with CAN communication protocols and diagnostic tools
~ Hands-on experience with HIL systems, test benches, or automated validation setups
~ Knowledge of Vector tools such as CANoe and CANalyzer
~ Familiarity with MATLAB/Simulink and embedded systems testing
~ Strong debugging, analytical, and troubleshooting skills
~ Good understanding of automotive validation processes and testing methodologies
~ Excellent communication and technical documentation skills
Preferred Skills
Experience with EV/HEV battery systems and high-voltage architectures
Knowledge of AUTOSAR, UDS diagnostics, and Functional Safety (ISO 26262)
Experience with Python, CAPL, or automation scripting
Familiarity with dSPACE, NI, or ETAS test platforms
Exposure to battery charging systems and thermal management validation
Experience with SIL/MIL/HIL testing environments
Understanding of cybersecurity requirements for automotive systems
Master’s degree or relevant automotive certifications is a plus