Extreme Networks

Provides switching, routing, wireless, and security

Principal Quality Assurance Software Engineer - Layer2/Layer3 Protocol Testing-Python, Data Center Networking

Test Automation EngineeringConfirmed live in the last 24 hours

Full-timeChennai, Tamil Nadu, IndiaNo salary listed

About the Job

Requirements

Strong programming skills in Python, which is required.
Strong programming skills in Golang, listed as preferred.
Solid understanding of data center networking, including leaf-spine, IP fabric, and Clos architectures.
Knowledge of BGP, EVPN, VXLAN, and TCP/IP protocols.
Experience validating 5G technologies across core, RAN, or transport network environments.
Hands-on experience with test automation frameworks.
Hands-on experience with Linux systems and scripting.
Proficiency with packet analysis tools, including Wireshark and tcpdump.
Ability to debug distributed systems and network issues.

Responsibilities

Design, develop, and execute test plans and test cases for complex networking solutions, including Layer 2, Layer 3, IP Fabric, EVPN, and VXLAN.
Validate 5G and data center architectures through 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, quality assurance, and product teams to support high-quality releases.
Analyze logs, packet captures, and system behavior to identify root causes.
Support continuous integration and continuous delivery pipelines and a continuous testing strategy.

Desired Qualifications

Experience with continuous integration and continuous delivery pipelines, including Jenkins and GitLab CI.
Exposure to cloud-native and container environments, including Kubernetes and Docker.
Knowledge of network virtualization and software-defined networking.
Familiarity with test frameworks such as pytest, Robot Framework, and custom frameworks.
Understanding of telecom standards and 5G architecture.

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

About the Company

Extreme Networks

Provides switching, routing, wireless, and security

Extreme Networks provides networking solutions for organizations, including switching, routing, wireless, data center fabrics, and cloud-based management with security and ML-driven analytics. It sells hardware and software and offers professional and fully managed IT services, training, and a support portal. It differentiates itself with an end-to-end suite across many industries, a focus on security and ML-enabled insights, and ITIL-aligned managed services. Its goal is to help customers operate secure, reliable, and optimized networks across on-premises, cloud, and data center environments.

Company size: 1,001-5,000
Company stage: IPO
Headquarters: Morrisville, NC
Founded: 1996

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