PRINCIPAL QA SW ENGINEER 10380- 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