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Senior Staff Software Development Engineer, ZIA Core Datapath

Office - San Jose, USA💼 Full-time💰 $157,500–$157,500🗓 2026-09-01 → 2026-09-26

Core

Own the architecture, development, and maintenance of a high-scale system test automation infrastructure for ZIA Core Datapath, a cloud security platform processing 400B+ transactions daily.

Role type

Senior Staff Software Development Engineer (Test Automation Infrastructure)

Builds

Scalable system test automation infrastructure for cloud security products

Domain

Cloud Security / Network Infrastructure

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Python, TCP/IP protocol stack, HTTP(S), TLS, PKI, DNS, DHCP, VPN, routing and switching, L3/L4/L7 filtering policies, load balancers, IPS/IDS, automated functional/integration/performance/scale testing, debugging/troubleshooting

Preferred skills

AI-assisted coding, static/dynamic analysis, intelligent automation tools, traffic generators, performance/load testing tools, fuzzing techniques, mentoring junior engineers

Technologies

Python, IPsec, GRE, HTTP, SSL, TLS, DNS, DHCP, IPsec, GRE

Responsibilities

Architect and maintain scalable test automation infrastructure; build repeatable automation suites for L4-L7 technologies; act as an owner and advocate for testing at scale; mentor and guide junior engineers; optimize the regression cycle

Seniority

Senior Staff, hands-on IC with mentorship

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