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