Description
Zscaler is looking for a Staff Site Reliability Engineer (Production Engineer) to join its team. This is a hybrid role reporting to the Senior Manager, Site Reliability Engineering in the Zero Trust Exchange department.
As a key member of the Zero Trust Exchange team, you will own the systems-level reliability and performance of Zscaler's high-throughput bare-metal and cloud infrastructure processing tens of billions of daily transactions across a global, multi-region fleet.
This is a software-first SRE role: you will write production-grade code and automation, drive the shift from reactive incident response, and bring engineering discipline to the systems-level work - OS, network and application debugging - that keeps the fleet operating safely at scale.
Responsibilities
- Maintain high availability across large-scale bare-metal Linux/BSD fleets, Kubernetes clusters, and custom routing stacks in partnership with Engineering and Networking teams
- Lead full-cycle incident response by conducting cross-stack troubleshooting using low-level OS and network tools
- Automate infrastructure lifecycle management, service provisioning, configuration workflows, and release deployments using Ansible, Python, and Go
- Own end-to-end telemetry using Prometheus and OpenTelemetry ecosystems; define and enforce SLOs/error budgets to reduce alert noise
- Perform architectural reviews, OS/kernel upgrades, capacity and performance tuning, strict CI/CD validation prior to production rollouts
Requirements
- US Citizenship is required
- 5+ years of experience in Site Reliability Engineering, Production Engineering, or Systems Engineering operating high-scale, low-latency production platforms
- Proven ability to write and debug executable code live (Python, Go, or Bash)
- Deep knowledge of Linux OS internals and kernel troubleshooting
- Comprehensive understanding of networking protocols and packet-level analysis
Benefits
- Various health plans
- Time off plans for vacation and sick time
- Parental leave options
- Retirement options
- Education reimbursement
- In-office perks, and more!