Sr. Site Reliability Engineer- Federal

Zscaler, Inc.; San Jose (CA); Hybrid; USD 150,000 - 210,000; Full time

Job summary

Zscaler, Inc. seeks a Sr. Site Reliability Engineer (Production Engineer) for its Zero Trust Exchange group in Santa Clara, CA. This hybrid role requires three days on site and a strong focus on reliability, performance, and automation across bare-metal and cloud infrastructure.

You will write production-grade code, lead incident responses, and collaborate with engineering and networking teams to keep tens of billions of daily transactions flowing smoothly 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 production-grade code and automation to reduce time to recovery

Job description

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform.

We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler.

Role

We are looking for a Sr. Site Reliability Engineer (Production Engineer) to join our team. This is a hybrid role (onsite three days a week in Santa Clara, CA, 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.

What You’ll Do (Role Expectations)

• 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