PRINCIPAL QA SW ENGINEER 10380- Layer2/Layer3 Protocol Testing- Python |Data Center Networking

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).

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

Requirements

Experience: 13-20 Years; Strong programming skills in Python; 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

Nice to have

Golang (preferred / strong plus); 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