Staff Site Reliability Engineer

Zscaler, Inc.; Netherlands; Remote; EUR 90,000 - 130,000; Full time

Job summary

Zscaler, Inc. is seeking a Staff Site Reliability Engineer to join our Cloud Infrastructure & Operations team. This remote role is based in the Netherlands and reports to the Senior Director, Software Engineering.

You will leverage Linux/UNIX expertise to build scalable infrastructure, manage Kubernetes and OpenStack, and ensure robust security and observability across our global platforms and applications. This role emphasizes automation, security, and high availability.

Qualifications

• 5+ years of Linux/UNIX system administration experience.
• Strong understanding of web security, protocols, and SSH.
• Experience with OpenStack and CEPH.
• Hands-on experience with Docker and Kubernetes and automation (Ansible).
• Experience with secret management systems (Hashicorp Vault).

Responsibilities

• Create and maintain scalable solutions based on KVM Linux, Kubernetes, and public cloud providers.
• Analyze and troubleshoot system performance across the OS and applications.
• Maintain platform security and observability using nftables and monitoring tools.
• Manage and deploy systems in diverse environments, including Kubernetes and OpenStack.
• Develop and maintain automation tools using Python, Golang, and Bash.

Skills

Linux/UNIX Admin

Kubernetes

Docker

Ansible

Python

Golang

Bash

Networking fundamentals

Security tooling (SSH/PGP/PKI/MFA)

Tools

OpenStack

CEPH

Hashicorp Vault

Ansible

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 160+ public exchanges globally and thousands of private exchanges 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 Staff Site Reliability Engineer to join our Cloud Infrastructure & Operations team. This is a remote role based in the Netherlands, reporting to the Senior Director, Software Engineering.

As a Staff SRE, you will leverage your expertise in Linux/UNIX System Administration to build scalable infrastructure and manage platforms like Kubernetes using automation and high security standards. You will troubleshoot complex Linux networking and security issues, manage firewall technologies, and ensure secure access across our global platforms and applications.

What you’ll do (Role Expectations)

• Create and maintain highly scalable solutions based on KVM LINUX, Kubernetes, and Public Cloud Providers


• Analyze and troubleshoot systems performance and issues across the OS and Applications


• Maintain platform security and observability using nftables and robust monitoring tools


• Manage and deploy systems and software in diverse environments, including Kubernetes and OpenStack


• Develop and maintain automation tools using Python, Golang, and BASH

Who You Are (Success Profile)

• You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. You adapt to what’s needed, navigating seamlessly between high-level strategy and hands‑on execution.


• You are a problem-solver. You seek out challenges because you are energized by finding solutions, knowing that solving the hard problems delivers the biggest impact.


• You operate with urgency. You understand that in a high-growth environment, speed and quality are not mutually exclusive. You have a relentless focus on execution and a bias for action, delivering high-impact results quickly to win for the customer and the team.


• You are driven by innovation. You have a deep curiosity for how things work and are energized by solving complex technical challenges. You believe in the power of technology to accelerate transformation and are always looking for a better, more secure, and scalable way.


• You lead with integrity. You do the right thing, even when it’s hard. You hold yourself and others to a high standard of accountability and build trust by matching your words with consistent, transparent action.

What We’re Looking for (Minimum Qualifications)

• Demonstrated curiosity and active exploration of AI tools, with a proven history of integrating new technologies to enhance daily workflows and augment problem-solving


• Strong understanding of web security, protocols, and SSH


• Technical aptitude in security frameworks including PGP, SSH, PKI, and Multi-factor authentication


• Deep knowledge of network fundamentals including DHCP, ARP, Subnetting, Routing, NAT, Firewalls, IPv4, and IPv6


• Hands‑on experience with Container Orchestration services such as Docker and Kubernetes, and automation tools like Ansible


• 5+ years of experience in a Linux/UNIX System Administration or SysAdmin role

What Will Make You Stand Out (Preferred Qualifications)

• Demonstrate a proven ability to leverage AI technologies and workflows to drive measurable operational efficiency.


• Extensive experience with OpenStack and CEPH


• Deep Linux expertise gained through a background in dedicated SysAdmin roles


• Proficiency with Secrets Management Systems such as Hashicorp Vault

#LI-MM8

#LI-REMOTE

Zscaler’s salary ranges are benchmarked and determined by role and level. The range displayed on this job posting reflects the minimum and maximum target for new hire base salaries for this position across all Netherlands locations. Individual pay placement within this range is determined based on objective, gender-neutral criteria including job-related skills, relevant experience, and education or training. The base salary range listed for this full-time position excludes commission/bonus/equity (if applicable) and benefits.

Base Pay Range

At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

• Time off plans for vacation and sick time


• Parental leave options


• Retirement options


• In-office perks, and more!

Learn more about Zscaler's hybrid working model and benefits here .

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.

Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link.

Pay Transparency

Zscaler complies with all applicable federal, state, and local pay transparency rules.

Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.