Be the Force Behind the World’s Largest Security Cloud


Engineering and Cloud Ops at Zscaler

Our Engineering team built the world’s largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

Engineering and Cloud Ops at Zscaler
Learn about our teams
Security Research

Our world-class ThreatLabz team hunts new threats and ensures our users are always protected. Team members conduct malware research and behavioral analysis, take part in R&D of prototype modules for advanced threat protection, and perform regular internal security audits to keep our products and infrastructure compliant. ThreatLabz also regularly publishes in-depth threat analyses on our blog.

ZTE - Overview - Reduce cost and complexity
Emerging Technologies

Many organizations are just beginning to realize the amazing benefits of cloud technology, but we’ve been there for years. Our Emerging Technologies team is at the forefront, developing innovative tools and systems to give customers the best visibility and security they’ve ever had. The cloud is transforming business, and this team offers a unique opportunity to shape the future of security in the cloud.

Cloud Operations

The Cloud Ops team keeps our engines running at peak performance. The Zscaler cloud processes tens of billions of transactions for our global users every day. Even as transaction volume grows every quarter, our cloud’s overall stability keeps improving, thanks to this team’s expertise and dedication to reliability, availability, and scalability. Above all, to be part of Cloud Ops, you’ll need to share this dedication.


Our innovative solutions are transforming internet security, and our users rely on us for data protection, comprehensive security, real-time analytics, unmatched visibility, and a state-of-the-art NOC. Our Development team works on web filtering, policy enforcement, NGFW, sandboxing, DLP, and mobile user solutions. To deliver industry-leading technology and stay responsive to customers, we prize precise engineering and continuous improvement.

Quality Assurance

Beyond ensuring our products perform as promised, QA at Zscaler has a critical responsibility to identify potential customer pain points in advance. Our customers send all their traffic across our platform, and QA is out in front making certain that our services work properly in the cloud—and that our cloud itself is providing the performance and reliability our customers depend on.

Diversity and inclusion matter at Zscaler

Diversity and inclusion matter at Zscaler

All qualified applicants will receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or on the basis of disability.
Submissions from recruitment agencies and firms

Submissions from recruitment agencies and firms

Zscaler does not accept agency résumés. Please do not forward résumés to our careers email, Zscaler employees, or to company locations. Zscaler is not responsible for any fees or overhead related to unsolicited résumés.