Zscaler

Principal Software Development Engineer - QA + Networking

Bangalore, India

Principal

HYBRID

Zscaler is hiring a Principal Software Development Engineer focused on QA and Networking for their Bangalore, India office (hybrid). This role sits within the team that built the world's largest cloud security platform. You will design and develop test strategies and automation frameworks for complex cloud-based security systems, work closely with cross-functional teams, and help diagnose and resolve customer issues. Strong networking knowledge (TCP/IP, L4-L7 protocols) and Python-based test automation experience are essential.

Python

PyTest

TCP/IP

HTTP/HTTPS/TLS

L4-L7 Protocols

tcpdump

Wireshark

Test Automation Frameworks

CI/CD (Jenkins/GitLab)

AWS

Docker

Kubernetes

Proxmox

API Testing

Microservices Testing

CCNP / Networking

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