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Modbus Protocol Test Engineer - Embedded Testing

MaimsD TechnologyPune

22 days ago

Job description

Job Title : Modbus Protocol Test Engineer

Location : Pune

Experience : 6 to 12 Years

Employment Type : Full-Time | On-site / Hybrid

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 : Protocol Testing for Industrial : Embedded systems, industrial automation, PLCs, IoT

ref : hirist.tech)

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Embedded Test Engineer • Pune