Senior Staff Test Automation Engineer – Cloud Security

Zscaler; San Jose (CA); Hybrid; USD 158,000 - 225,000; Full time

Job summary

Zscaler’s Senior Staff Software Development Engineer, ZIA Core Datapath, hybrid role in San Jose, CA, leads architecture, development, and maintenance of a high-scale system test automation infrastructure for ZIA Core Datapath, a cloud security platform processing 400B+ transactions daily.

You will design scalable testing across L4-L7 technologies, including cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, and routing; mentor engineers and optimize the regression cycle while

Qualifications

• 12+ years of experience building test automation frameworks in Python
• Strong understanding of TCP/IP, HTTP(S), TLS, VPN, routing and switching
• Experience in manual and automated testing for cloud/SaaS products
• Excellent debugging/troubleshooting skills for network infra and firewall issues

Responsibilities

• Design, develop, and maintain a scalable system test automation infrastructure for a cloud product processing 400B+ transactions per day
• Build repeatable automation suites to validate L4–L7 technologies (cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, routing/switching)
• Own testing at scale and drive regression cycle optimization
• Mentor junior engineers and collaborate with cross-functional teams

Skills

Python

Test automation

Cloud security

Networking

Tools

Traffic generators

Load testing tools

Fuzzing tools

Python testing frameworks

Job description

Zscaler’s Senior Staff Software Development Engineer, ZIA Core Datapath, hybrid role in San Jose, CA, leads architecture, development, and maintenance of a high-scale system test automation infrastructure for ZIA Core Datapath, a cloud security platform processing 400B+ transactions daily.

You will design scalable testing across L4-L7 technologies, including cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, and routing; mentor engineers and optimize the regression cycle while