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Principal Site Reliability Engineer

zscaler Remote - USA; San Jose, California, USA


No Relocation

Posted: May 1, 2026

Job Description

Role 

We are looking for a Principal Site Reliability Engineer to join our Infrastructure services and architecture team. This role is hybrid 3 days a week onsite in San Jose, CA, or can be remote reporting to the Senior Manager, Cloud Operations. As a lead engineer, you will leverage deep expertise in IaC/CaC, Linux virtualization, and physical hardware management to drive our infrastructure forward. You will oversee networking services and general software engineering to ensure our systems remain scalable, resilient, and high-performing.

What you’ll do (Role Expectations)

  • Mentor junior engineers and lead high-impact infrastructure projects
  • Support business operations by responding to alerts and triaging systems to restore mission-critical capabilities
  • Ensure the reliability and performance of all customer-facing services
  • Design, document, and build technical solutions that align with evolving organizational needs
  • Support Agile processes to maintain high velocity and a collaborative environment

Who You Are (Success Profile)

  • You possess deep expertise in Kubernetes management and deployment, ensuring containerized environments are optimized and secure.
  • You are a champion for Infrastructure/Configuration as Code, maintaining a strict IaC/CaC mindset in every solution you build.
  • You operate with a security-first focus, embedding protection and compliance into the foundation of the infrastructure.
  • You bring a "go-getter" attitude, proactively identifying problem areas and proposing innovative solutions.
  • You are highly proficient in CI/CD pipelines and believe that automated testing is non-negotiable for stable releases.

What We’re Looking for (Minimum Qualifications)

  • Expert-level proficiency with Kubernetes
  • Deep professional experience with Terraform and Ansible
  • Expert-level programming skills in Python or Go
  • Hands-on experience with Enterprise Linux distributions such as Rocky, Red Hat, or Alma
  • Proven experience using Git within a structured SDLC
  • U.S. citizenship due to the nature of the customers assigned to this role

What Will Make You Stand Out (Preferred Qualifications)

  • Deep knowledge of Linux Hypervisors, including OpenStack, Proxmox, libvirt, or QEMU
  • Technical experience working with FreeBSD
  • Familiarity with Identity Access Management tools like HashiCorp Vault, LDAP, or OIDC

#LI-SanJose #LI-Remote #LI-JG1

Additional Content

Role 

We are looking for a Principal Site Reliability Engineer to join our Infrastructure services and architecture team. This role is hybrid 3 days a week onsite in San Jose, CA, or can be remote reporting to the Senior Manager, Cloud Operations. As a lead engineer, you will leverage deep expertise in IaC/CaC, Linux virtualization, and physical hardware management to drive our infrastructure forward. You will oversee networking services and general software engineering to ensure our systems remain scalable, resilient, and high-performing.

What you’ll do (Role Expectations)

  • Mentor junior engineers and lead high-impact infrastructure projects
  • Support business operations by responding to alerts and triaging systems to restore mission-critical capabilities
  • Ensure the reliability and performance of all customer-facing services
  • Design, document, and build technical solutions that align with evolving organizational needs
  • Support Agile processes to maintain high velocity and a collaborative environment

Who You Are (Success Profile)

  • You possess deep expertise in Kubernetes management and deployment, ensuring containerized environments are optimized and secure.
  • You are a champion for Infrastructure/Configuration as Code, maintaining a strict IaC/CaC mindset in every solution you build.
  • You operate with a security-first focus, embedding protection and compliance into the foundation of the infrastructure.
  • You bring a "go-getter" attitude, proactively identifying problem areas and proposing innovative solutions.
  • You are highly proficient in CI/CD pipelines and believe that automated testing is non-negotiable for stable releases.

What We’re Looking for (Minimum Qualifications)

  • Expert-level proficiency with Kubernetes
  • Deep professional experience with Terraform and Ansible
  • Expert-level programming skills in Python or Go
  • Hands-on experience with Enterprise Linux distributions such as Rocky, Red Hat, or Alma
  • Proven experience using Git within a structured SDLC
  • U.S. citizenship due to the nature of the customers assigned to this role

What Will Make You Stand Out (Preferred Qualifications)

  • Deep knowledge of Linux Hypervisors, including OpenStack, Proxmox, libvirt, or QEMU
  • Technical experience working with FreeBSD
  • Familiarity with Identity Access Management tools like HashiCorp Vault, LDAP, or OIDC

#LI-SanJose #LI-Remote #LI-JG1