- Develop, execute, and maintain test plans, test cases, and test reports for

Linux and IoT products.

- Perform functional, integration, regression, interoperability, and system-level testing.
- Validate communication protocols such as MQTT, TCP/IP, HTTP/HTTPS, Zigbee,

Matter, Thread, BLE, and Wi-Fi. •Hands on experience in Python programming and Katalon or similar tools.

- Hands-on experience in virtual device simulation, hardware emulation, and software-based testing environments to validate embedded firmware and IoT device functionality prior to hardware availability.
- Analyze network traffic and protocol behavior using tools such as Wireshark and packet sniffers.
- Validate device commissioning, provisioning, OTA firmware updates, and cloud connectivity.
- Perform end-to-end validation of device, gateway, cloud, and mobile application interactions.
- Develop Shell/Bash scripts for test automation, log collection, and validation activities.
- Investigate defects, perform root cause analysis, and work closely with development teams for issue resolution.
- Validate security features including authentication, encryption, certificate management, and secure communication.
- Participate in certification and compliance testing activities.
- Maintain test environments, automation frameworks, and validation setups.

Required

Skills

- Experience in testing and validation of IoT products.
- Experience in writing Python scripts.
- Experience in Katalon or similar tools.




- Robust understanding of networking concepts and protocols (TCP/IP, UDP, DHCP,

DNS, TLS/SSL).

- Experience using Wireshark, tcpdump, and other protocol analysis tools.
- Understanding of IoT communication protocols such as MQTT, Zigbee, Matter,

Thread, BLE, and Wi-Fi.

- Experience in log analysis, troubleshooting, and root cause investigation.
- Knowledge of test methodologies including functional, regression, integration,

and system testing.

- Familiarity with defect tracking tools such as Jira or Azure DevOps.
- Experience with Git and test management tools.

Preferred

Skills

- Experience in Smart Home, Building Automation, Energy Management, or

Industrial IoT domains.

- Experience validating Zigbee, Matter, Thread, BLE, or Wi‑Fi enabled devices(Any one or two)
- Good understanding of Linux systems and architecture.
- Strong Linux command-line proficiency and Shell Scripting (Bash/Sh).
- Knowledge of Python or Shell scripting for test automation.
- Experience with OTA validation, device onboarding, and commissioning workflows.
- Understanding of cloud-based IoT platforms and device management solutions.
- Experience with CI/CD pipelines and automated test execution.
- Familiarity with certification testing (Wi-Fi Alliance, Zigbee, Matter,

Bluetooth SIG, etc.).

- Knowledge of security concepts including TLS, certificates, secure boot, and encryption mechanisms.

📌 Senior Automation Tester (Thane)
🏢 Legrand Slovenija
📍 Thane