Senior Staff Site Reliability Engineer

About Zscaler

Serving thousands of enterprise customers around the world including 45% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world's largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. 

We built the Zscaler architecture from the ground up as a platform that could extend to new features and services. Our Product Management team takes hold of this massive opportunity to deliver our customers a growing portfolio of never-before-seen capabilities in threat prevention, visibility, scalability, and business enablement. Our product managers are champions of innovation with a shared vision for Zscaler and the limitless possibilities of cloud security. Join us to make your mark on the planning and product roadmap at the forefront of the world's cloud security leader.

The Senior Staff Site Reliability Engineer will play a pivotal role in designing, managing, and scaling mission-critical infrastructure while ensuring reliability, security, and operational efficiency. Reporting to the Staff DCO Engineer. You will be responsible for:

• Designing and managing scalable AWS cloud environments (EC2, S3, RDS, Lambda, etc.) to support production readiness and business growth
• Implementing infrastructure-as-code solutions using tools such as Terraform, Ansible, and CloudFormation to automate cloud provisioning and configuration
• Leading Kubernetes (EKS, Helm) implementation and optimization for efficient orchestration of containerized applications
• Building dashboards using Elastic flow logs and advanced monitoring tools (e.g., Prometheus, Grafana, ELK Stack) to analyze resource usage and performance metrics
• Architecting enterprise-level CI/CD pipelines using GitLab and managing workflow tools like Argo for high availability and deployment automation

• 7-9 years of hands-on experience in cloud infrastructure, site reliability engineering, or DevOps roles
• Deep knowledge of AWS services (EC2, S3, RDS, Lambda, etc.) and expertise in optimizing cloud environments for performance and scalability
• Proficiency with Kubernetes (EKS, Helm) and container orchestration for distributed applications
• Strong scripting skills with Python/Bash and familiarity with Linux, networking, and security best practices

• Advanced certifications in AWS, such as Solutions Architect or DevOps Engineer
• Kubernetes Certified Administrator (CKA) certification and experience migrating production systems to Kubernetes environments
• Experience implementing observability strategies and designing preventive systems for infrastructure reliability using Elastic flow logs and monitoring tools

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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:

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks, and more

Learn more about Zscaler's Future of Work strategy, 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.