Systems Test Engineer
Job in
Milwaukee, Milwaukee County, Wisconsin, 53244, USA
Listed on 2026-05-27
Listing for:
Global Connect Technologies
Full Time
position Listed on 2026-05-27
Job specializations:
-
Engineering
Electrical Engineering, Systems Engineer, Software Engineer, Test Engineer
Job Description & How to Apply Below
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
- 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
- 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
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