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

Extreme Networks India Private Limited; Bengaluru; On-site; INR 3,500,000 - 6,500,000; Full time

Job summary

Extreme Networks India Private Limited is seeking a Principal QA SW Engineer to validate end-to-end data center and 5G networking solutions. You will design test plans, automate using Python and Go, and perform both manual and automated testing to ensure robust IP fabric-based solutions.

The role emphasizes validation across L2/L3, EVPN/VXLAN, and related protocols, with focus on CI/CD support and rapid, high-quality releases. Senior-level expertise is expected.

Qualifications

• Strong Python programming skills are mandatory.
• Golang is highly preferred for automation tasks.
• Deep knowledge of data center architectures (Leaf-Spine, EVPN/VXLAN) and networking protocols.

Responsibilities

• Design, develop, and execute test plans for complex L2/L3/networking solutions.
• Build and maintain automation frameworks using Python and Golang.
• Perform manual validation, edge-case testing, and regression suites.
• Analyze logs and packet captures to identify root causes.
• Support CI/CD pipelines and ensure high-quality releases.

Skills

Python

Golang

Data center networking

BGP

EVPN

VXLAN

TCP/IP

5G technologies

Linux scripting

Wireshark

tcpdump

Job description

PRINCIPAL QA SW ENGINEER 10379- Layer2/Layer3 Protocol Testing- Python |Data Center Networking

Role Overview: Experience: 13-20 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