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

301 Extreme Networks India Private Ltd – Karnataka; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Extreme Networks is seeking a Solution Test Engineer in Bengaluru to validate end-to-end IP fabric and 5G networking solutions. You will design and execute tests, develop automation in Python and Go, and collaborate with cross-functional teams to ensure robust, scalable releases.

The role requires hands-on testing, experience with data center networking, and a strong scripting background. Opportunity to work in a fast-growing, inclusive environment with modern CI/CD practices.

Qualifications

• Experience designing, executing test plans for complex networking solutions (L2/L3, IP Fabric, EVPN/VXLAN).
• Strong programming skills in Python (must-have) and knowledge of Golang is a plus.
• Hands-on with Linux, packet analysis tools, and test automation frameworks.
• Familiarity with 5G architectures and data center networking concepts.

Responsibilities

• Design, develop, and execute test plans and test cases for network solutions.
• Validate 5G and data center architectures, ensure scalability and performance.
• Build and maintain automation frameworks using Python and Go.
• Collaborate with engineering, QA, and product teams to ensure high-quality releases.

Skills

Python

Golang

Data center networking

BGP EVPN VXLAN

5G testing

Linux scripting

Troubleshooting

Tools

Kubernetes

Docker

CI/CD (Jenkins/GitLab CI)

Job description

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.

Inclusion is one of our core values and in our DNA. We are committed to fostering an inclusive workplace that embraces our differences and creates an atmosphere where all our employees thrive because of their differences, not in spite of them.

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

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).

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.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human oversight. Final hiring decisions are ultimately made by humans.

If you would like more information about how your data is processed —or to exercise any applicable privacy rights—please contact us at [e-mail]. Our full privacy statement is available here:Privacy Statement

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.

Inclusion is one of our core values and in our DNA. We are committed to fostering an inclusive workplace that embraces our differences and creates an atmosphere where all our employees thrive because of their differences, not in spite of them.

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