Posted:13 hours ago|
Platform:
Hybrid
Full Time
Job Overview : We are hiring a Protocol Test Engineer with strong expertise in Modbus communication protocol. The ideal candidate should have deep knowledge of embedded systems, field devices, and industrial automation protocols like Modbus RTU/TCP, with hands-on experience in validation and field simulation testing. Key Responsibilities : - Validate Modbus communication between master-slave devices - Perform packet-level analysis and log decoding - Use tools like Modbus Poll, ModScan, pymodbus, or in-house simulators - Write test cases, simulate device behaviors, and perform regression tests - Interface with hardware and firmware teams for integration issues - Document protocol compliance, errors, and traceability logs Requirements : - 6 to 12 years of experience in embedded or protocol testing - Strong understanding of Modbus RTU, TCP/IP - Experience using protocol analyzers, test benches, or writing custom Python test scripts - Knowledge of registers, coils, bits, and data integrity validation - Good grasp of RS-485, TCP/IP stacks, and industrial automation flows Preferred : - Familiarity with CAN, BACnet, or other industrial protocols - Experience testing PLC, SCADA, or IoT Gateways - Basic knowledge of Python or C scripting for test automation Mobus Testing : (likely Modbus Testing) Type : Protocol Testing for Industrial Systems Domain : Embedded systems, industrial automation, PLCs, IoT
Maimsd Technology
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