Sr QA SW Engineer- Layer 2/Layer 3 Protocol Testing- Python Automation

Over 50,000 customers globally trust our end-to-end, cloud-driven networking solutions. They rely on our top-rated services and support to accelerate their digital transformation efforts and deliver unprecedented progress. With double-digit growth year over year, no provider is better positioned to deliver scalable outcomes than Extreme.

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Become part of Something big with Extreme! As a global networking leader, learn why there’s no better time to join the Extreme team.

Job Description

What you will do (Job Specific Details on the nature of the job and responsibilities).

Key Responsibilities:

Experience: 5-8 Years

• 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:

o Python (must-have)

o Golang (preferred / strong plus)

• Solid understanding of:

o Data center networking (Leaf-Spine, IP Fabric, Clos architectures)

o Protocols: BGP, EVPN, VXLAN, TCP/IP

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

• Hands-on experience with:

o Test automation frameworks

o Linux systems and scripting

• Proficiency in:

o Packet analysis tools (Wireshark, tcpdump)

o Debugging distributed systems and network issues.

Testing Expertise

• Manual testing (feature validation, exploratory testing)

• Automation testing (functional, regression, performance)

• End-to-end solution validation

• System integration testing (multi-component environments).

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.

Soft Skills

• Strong analytical and troubleshooting skills

• Ability to work in cross-functional teams

• Excellent communication and documentation skills

• Detail-oriented with a focus on quality and reliability.

Typical Use Cases in This Role

• Validating EVPN-VXLAN overlays in data center fabrics

• Testing 5G data-plane performance and scaling

• Automating large-scale topology validation

• Troubleshooting multi-node network failures

Job Description Summary

Qualifications

Basic Requirements and Preferred Qualifications for the job.

We encourage people from underrepresented groups to apply. Come Advance with us! In keeping with our values, no employee or applicant will face discrimination/harassment based on: race, color, ancestry, national origin, religion, age, gender, marital domestic partner status, sexual orientation, gender identity, disability status, or veteran status. Above and beyond discrimination/harassment based on “protected categories,” Extreme Networks also strives to prevent other, subtler forms of inappropriate behavior (e.g., stereotyping) from ever gaining a foothold in our organization. Whether blatant or hidden, barriers to success have no place at Extreme Networks.

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