Senior Production SRE — AI-Driven, High-Scale Infra

Zscaler; Santa Clara (CA); Hybrid; USD 118,000 - 148,000; Full time

Benefits offered by this job

Health plans

Vacation & sick leave

Parental leave

Retirement options

Education reimbursement

In-office perks

Job summary

Zscaler is seeking a Sr. Site Reliability Engineer (Production Engineer) for a hybrid role in Santa Clara, CA. You will own the reliability of large-scale bare-metal and cloud infrastructure, write production-grade code, and drive automation and observability across the fleet.

Join a team that handles tens of billions of daily transactions with a focus on building a secure, scalable platform. Candidates should have 3+ years in SRE/Production Engineering and strong Linux/networking skills.

Qualifications

• US Citizenship is required due to the nature of assigned customers.
• 3+ years of experience in Site Reliability Engineering, Production Engineering, or Systems Engineering on high-scale, low-latency production platforms.
• Ability to write and debug executable code (Python, Go, or Bash) and hands-on experience with Ansible.
• Deep knowledge of Linux OS internals and kernel troubleshooting.
• Understanding of networking protocols and packet analysis; DNS, TLS, TCP/IP, and tcpdump.

Responsibilities

• Maintain high availability across large-scale bare-metal/Linux BSD fleets and Kubernetes clusters.
• Lead full-cycle incident response with cross-stack troubleshooting using low-level OS/network tools.
• Automate infrastructure lifecycle, service provisioning, and deployments with Ansible, Python, and Go.
• Own end-to-end telemetry and enforce SLOs to reduce alert noise.
• Perform architectural reviews, OS/kernel upgrades, and CI/CD validation before production.

Skills

SRE experience

Production engineering

Python/Go/Bash

Linux internals

Networking basics

Incident response

Kubernetes

Observability

Tools

Ansible

Prometheus

OpenTelemetry

tcpdump

gdb

Job description

Zscaler is seeking a Sr. Site Reliability Engineer (Production Engineer) for a hybrid role in Santa Clara, CA. You will own the reliability of large-scale bare-metal and cloud infrastructure, write production-grade code, and drive automation and observability across the fleet.

Join a team that handles tens of billions of daily transactions with a focus on building a secure, scalable platform. Candidates should have 3+ years in SRE/Production Engineering and strong Linux/networking skills.