QA Engineer - Networking L2/L3 Testing | 4 - 8 yrs

Overview

QA Engineer responsible for validating Cisco IOS XR routing and Broadband Network Gateway capabilities. The role focuses on networking test strategy, automation, complex scenario validation, troubleshooting, and release-quality recommendations.

What you'll do

• Design functional, system, regression, scale, performance, interoperability, resiliency, and high-availability tests.
• Validate BNG subscriber technologies and Layer 2 and Layer 3 networking protocols.
• Develop reusable test automation with Python and pyATS, Genie, or equivalent tools.
• Build and maintain physical, virtual, containerized, and cloud-based test environments.
• Troubleshoot failures using logs, protocol traces, packet captures, telemetry, and system data.
• Integrate automated tests into CI/CD pipelines and regression processes.
• Mentor junior engineers and communicate product-quality risks and release readiness.

What you'll need

• 4–8 years of experience in software engineering, network product testing, test automation, or quality engineering.
• Bachelor’s or master’s degree in a related technical field.
• Strong BNG, subscriber-management, Layer 2, and Layer 3 networking knowledge.
• Advanced Python skills for test automation, scripting, APIs, and troubleshooting.
• Experience with IOS XR or another carrier-grade network operating system.
• Strong Linux or Unix skills, Git, code reviews, debugging, and CI/CD.
• Experience with cloud, containerization, virtualization, and clustering technologies.

Nice to have

• Experience testing BNG and routing on Cisco IOS XR platforms.
• Experience with IXIA, Spirent, or subscriber-simulation tools.
• Knowledge of advanced BNG features, L2VPN, EVPN, telemetry, and network programmability.
• CCNP Service Provider, CCIE Service Provider, DevNet Professional, or equivalent knowledge.

Details

• Location: Bangalore, India.