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