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

Overview

Solution Test Engineer role validating end-to-end solutions across data center and 5G networking environments, combining manual and automated testing of IP fabric-based solutions using Python and Golang frameworks.

What you'll do

• 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.

What you'll need

• Strong programming skills in Python.
• Solid understanding of data center networking (Leaf-Spine, IP Fabric, Clos architectures).
• Solid understanding of protocols: BGP, EVPN, VXLAN, TCP/IP.
• Experience in 5G technologies (Core, RAN, or transport network validation).
• Hands-on experience with test automation frameworks.
• Hands-on experience with Linux systems and scripting.
• Proficiency in packet analysis tools (Wireshark, tcpdump).
• Proficiency in debugging distributed systems and network issues.
• Manual testing (feature validation, exploratory testing).
• Automation testing (functional, regression, performance).
• End-to-end solution validation.
• System integration testing (multi-component environments).
• 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.

Nice to have

• Golang programming skills (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.

Details

• Location: Bangalore, India.
• Experience: 5-8 years.