Zscaler is seeking a Principal Software Engineer to design and build a low-latency, high-throughput data forwarding plane using Rust. In this role, you will develop distributed, scalable systems with a focus on concurrency and fault tolerance, bridging the gap between control and orchestration layers within our Platform Convergence department.
What You'll Do
- Design and build a low-latency, high-throughput data forwarding plane using Rust and async/await models
- Develop distributed, scalable systems with a heavy focus on concurrency, fault tolerance, and messaging
- Implement and maintain gRPC-based APIs and services to integrate forwarding plane capabilities with control and orchestration layers
- Optimize system performance through deep profiling across kernel-space and user-space
- Drive technical excellence through code reviews, architectural discussions, documentation, and mentoring junior engineers
What We're Looking For
- 10+ years of software development experience with specific expertise in systems programming and Rust
- Extensive experience with async frameworks such as Tokio or async-std
- Proven track record of building resilient, observable, and horizontally scalable distributed systems
- Deep understanding of Linux fundamentals, including networking, namespaces, sockets, and kernel-user space interaction
- Proficiency in container-based environments, Git, CI/CD workflows, and performance instrumentation
Nice to Have
- Professional experience with systems languages like C/C++ or Go in performance-critical environments
- Familiarity with Linux networking stacks and kernel-space technologies like eBPF, XDP, or DPDK
- Hands-on experience with gRPC, Protobufs, and L2–L4 networking protocols including TCP/IP, UDP, and QUIC
Technical Stack
- Rust, Tokio, async-std
- gRPC, Protobufs
- Linux, Git, CI/CD
- TCP/IP, UDP, QUIC
- eBPF, XDP, DPDK
Team & Environment
You will be part of the Platform Convergence department and report to the Sr. Director of Software Engineering.
Benefits & Compensation
- Various health plans
- Time off plans for vacation and sick time
- Parental leave options
- Retirement options
- Education reimbursement
- In-office perks
Work Mode
This is a hybrid role based in Bangalore.
Zscaler is committed to providing equal employment opportunities to all individuals. 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.
