BMS Validation Engineer Job ID: 403759

Altraize; Northern (KY); Hybrid; USD 110,000 - 170,000; Full time

Job summary

Altraize is seeking a BMS System Test/Validation Engineer to support battery management system testing, validation, commissioning, and system performance analysis. You will execute test plans, analyze data, and assist with certification activities to ensure reliable BESS deployment.

Responsibilities include lab and field verification, troubleshooting, and root-cause analysis, plus collaboration with hardware, software, and manufacturing teams to drive corrective actions and continuous

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering, Electronics, Controls, Computer Engineering, or related field.
• 5–10+ years of experience in BMS testing, validation, commissioning, or battery systems engineering.
• Hands-on experience with laboratory testing, instrumentation, data acquisition, and debugging of battery systems.
• Experience with BESS commissioning, startup, and field troubleshooting.
• Familiarity with Jama, DOORS, Jira, or TestRail.
• Experience with MATLAB, Simulink, Python, or similar data analysis tools.
• Knowledge of CAN, SPI, Modbus, and Ethernet protocols.
• Strong analytical, troubleshooting, and root‑cause analysis skills.
• Excellent written and verbal communication; ability to interface with customers and teams.
• Willingness to travel to customer and project sites for commissioning and investigations.

Responsibilities

• Develop and execute BMS validation and verification testing at cell, module, pack, and system levels.
• Perform functional, performance, fault-injection, environmental, and stress testing of BMS features.
• Analyze test and field data to evaluate SOC, SOH, SOP, cell balancing, fault detection, and protection functions.
• Develop, review, and maintain test plans, procedures, and validation reports.
• Support testing at internal laboratories and external certification labs (UL, IEC, CSA).
• Collaborate with hardware, software, systems, manufacturing, and supplier teams to debug issues and drive corrective actions.
• Develop automated testing solutions with emulators to support end-of-line testing.
• Perform root-cause analysis of BMS, battery, communication, and system integration issues.
• Support site commissioning, startup, and system integration for BESS.
• Troubleshoot BMS, communication, and system-level issues during commissioning.
• Drive continuous improvement of testing, commissioning, and validation processes.

Skills

BMS testing

System integration

Troubleshooting

Data analysis

Communication

Lab testing

Field testing

Education

Bachelor's or Master's in Electrical/related field

Tools

Jama

DOORS

Jira

TestRail

MATLAB

Simulink

Python

CAN

SPI

Modbus

Ethernet

Job description

The BMS System Test/Validation Engineer deployed for the customer projects will support Battery Management System (BMS) testing, validation, commissioning, and system performance analysis. This role focuses on laboratory and field verification of BMS functionality, safety, reliability, and compliance with system requirements and industry standards. The engineer will develop and execute test plans, analyze system performance, support certification activities, and provide commissioning support through system integration, troubleshooting, root-cause analysis, and issue resolution to ensure successful deployment and operation of Battery Energy Storage Systems (BESS).

Key Responsibilities

• Develop and execute BMS validation and verification testing at cell, module, pack, and system levels.
• Perform functional, performance, fault-injection, environmental, and stress testing of BMS features.
• Analyze test and field data to evaluate SOC, SOH, SOP, cell balancing, fault detection, protection functions, and overall system performance.
• Develop, review, and maintain test plans, test procedures, validation reports, and requirements traceability.
• Support testing activities at internal laboratories and external certification laboratories (UL, IEC, CSA).
• Collaborate with hardware, software, systems, manufacturing, and supplier teams to debug issues and drive corrective actions.
• Develop Automated testing solution with emulators which support end of line testing.
• Perform root-cause analysis of BMS, battery, communication, and system integration issues.
• Support site commissioning, startup, and system integration activities for Battery Energy Storage Systems (BESS).
• Troubleshoot BMS, communication, and system-level issues encountered during commissioning and field deployment.
• Support Site Acceptance Testing , performance verification, issue resolution, and customer support activities during commissioning.
• Drive continuous improvement of testing, commissioning, validation processes, tools, and documentation.

Qualifications

Required Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering, Electronics, Controls, Computer Engineering, or a related field.
• 5–10+ years of experience in BMS testing, validation, commissioning, or battery systems engineering.
• Strong understanding of battery systems, BMS architecture, battery safety functions, and system integration.
• Hands‑on experience with laboratory testing, instrumentation, data acquisition, and debugging of battery systems.
• Experience supporting BESS commissioning, startup, and field troubleshooting activities.
• Familiarity with requirements and test management tools such as Jama, DOORS, Jira, or TestRail.
• Experience with MATLAB, Simulink, Python, or similar data analysis and engineering tools.
• Knowledge of communication protocols including CAN, SPI, Modbus, and Ethernet.
• Strong analytical, troubleshooting, and root‑cause analysis skills.
• Strong written and verbal communication skills with the ability to interface with customers, suppliers, and cross-functional teams.
• Ability to travel to customer and project sites to support commissioning and field investigations.
• Experience with battery system certification standards and testing agencies (UL, IEC, CSA) is preferred.