Senior-level Rust Developers at Zscaler - Cloud Security Leader

Zscaler is an AI-forward powerhouse operating the world’s largest security data lake. We are looking for developers who view memory safety as a fundamental right and high-performance concurrency as a way of life. If you believe code should be as secure as it is fast, you’ll fit right in. We are pushing the envelope of our cloud-native Zero Trust Exchange, a platform that protects global enterprises by securely connecting users and devices across the planet. This is your chance to work on a mission-critical system that serves as the backbone of modern digital security. This isn't about maintaining legacy scripts; it’s about building a brand-new platform from the ground up. We are designing a system to handle hundreds of millions of users with the relentless reliability and low latency that only world-class systems engineering can provide.

If you are a Rustacean who finds beauty in zero-cost abstractions and elegance in complex distributed systems, this is your playground. You will design and implement core infrastructure components that serve as the frontline defense against global cyberattacks, ensuring traffic remains private and secure across our global network. We want craftspeople who are passionate about pushing the boundaries of what cloud security can be. Bring your vision and your love for systems-level perfection to a team where your code will define the next generation of a resilient, agile, and secure internet.

What We’re Looking For:

• Rust Mastery: Deep experience coding with Rust, particularly in systems programming and async frameworks like Tokio or async-std
• System Architecture: Proven expertise in building resilient, observable, and horizontally scalable distributed systems
• Linux Internals: A strong understanding of Linux fundamentals, including networking, namespaces, sockets, and kernel-user space interaction
• Engineering Rigor: Proficiency in container-based environments, Git, CI/CD workflows, and performance instrumentation

What Will Make You Stand Out:

• Polyglot Systems Experience: Background in C/C++ or Go, particularly within performance-critical environments
• Deep Networking: Familiarity with Linux networking stacks, kernel-space technologies like eBPF or DPDK, and Kubernetes networking or service meshes
• Protocol Knowledge: Hands-on experience with gRPC, Protobufs, and L2–L4 protocols including TCP/IP, QUIC, or routing encapsulations

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 via the application link.