Principal Quality Assurance Software Engineer - Data Center & 5G Networking

Extreme Networks India Private Limited; Chennai; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Extreme Networks India Private Limited in Chennai, India is seeking a Senior QA Software Engineer to validate end-to-end solutions for data center and 5G networking environments. The role combines manual and automated testing, with robust validation frameworks developed in Python and Go.

Responsibilities include designing test plans, building automation, and supporting CI/CD pipelines while collaborating with engineering and product teams to ensure high-quality releases.

Qualifications

• Strong programming skills in Python (must-have) and Golang (preferred).
• Solid understanding of data center networking (Leaf-Spine, IP Fabric, Clos).
• Experience with 5G technologies and core/transport validation is a plus.
• Hands-on test automation, Linux scripting, and packet analysis tools.

Responsibilities

• Design, develop, and execute test plans for complex networking solutions (L2/L3, IP Fabric, EVPN/VXLAN).
• Validate 5G and data center architectures including integration, scalability, and performance testing.
• Build and maintain automation frameworks using Python and Golang.
• Perform manual testing for new features and edge-case scenarios.
• Develop end-to-end solution validation including interoperability and system-level testing.
• Automate regression, functional, and performance test suites.
• Troubleshoot and debug issues across network, system, and application layers.
• Collaborate with engineering, QA, and product teams to ensure high-quality releases.
• Analyze logs, packet captures, and system behavior to identify root causes.
• Support CI/CD pipelines and continuous testing strategy.

Skills

Python

Golang

Data center networking

5G technologies

Linux scripting

Packet analysis

Tools

Wireshark

tcpdump

Kubernetes

Docker

pytest

Robot Framework

Job description

SR QA SW ENGINEER 10381- Layer2/Layer3 Protocol Testing- Python |Data Center Networking

Role Overview: Experience: 5-10 Years Role : PRINCIPAL QA SW ENGINEER We are seeking a highly skilled Solution Test Engineer to validate end-to-end solutions across modern data center and 5G networking environments. This role combines manual and automated testing, ensuring high-quality delivery of IP fabric-based solutions through robust validation frameworks developed in Python and Go (Golang).

Key Responsibilities

• Design, develop, and execute test plans and test cases for complex networking solutions (L2/L3, IP Fabric, EVPN/VXLAN)


• Validate 5G and data center architectures, including integration, scalability, and performance testing


• Build and maintain automation frameworks using Python and Golang


• Perform manual testing for new features, exploratory validation, and edge-case scenarios


• Develop end-to-end solution validation, including interoperability and system-level testing


• Automate regression, functional, and performance test suites


• Troubleshoot and debug issues across network, system, and application layers


• Collaborate with engineering, QA, and product teams to ensure high-quality releases


• Analyze logs, packet captures, and system behavior to identify root cause issues


• Support CI/CD pipelines and continuous testing strategy.

Required Skills

• Technical Strong programming skills in: Python (must-have) Golang (preferred / strong plus)


• Solid understanding of: Data center networking (Leaf-Spine, IP Fabric, Clos architectures) Protocols: BGP, EVPN, VXLAN, TCP/IP


• Experience in 5G technologies (Core, RAN, or transport network validation)


• Hands-on experience with: Test automation frameworks Linux systems and scripting


• Proficiency in: Packet analysis tools (Wireshark, tcpdump) Debugging distributed systems and network issues.

Preferred Qualifications

• Experience with CI/CD pipelines (Jenkins, GitLab CI, etc.)


• Exposure to cloud-native and container environments (Kubernetes, Docker)


• Knowledge of network virtualization and SDN


• Familiarity with test frameworks (pytest, Robot Framework, custom frameworks)


• Understanding of telecom standards and 5G architecture

Experience Level Senior Level