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Sr. Staff Rust Developer
| Company | Zscaler |
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| Location | San Jose, CA, USA |
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| Salary | $154000 – $220000 |
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| Type | Full-Time |
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| Degrees | |
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| Experience Level | Senior, Expert or higher |
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Requirements
- 7+ years of experience with extensive experience coding with Rust, particularly in systems programming and async frameworks like Tokio or async-std
- Proven expertise in building resilient, observable, and horizontally scalable distributed systems
- Strong understanding of Linux fundamentals, including networking, namespaces, sockets, and kernel-user space interaction
- Hands-on experience with gRPC, Protobufs, service-oriented architectures, and L2–L4 networking protocols (TCP/IP, UDP, QUIC, VLAN, routing, encapsulations, etc.)
- Proficient in container-based environments, Git, CI/CD workflows, and performance instrumentation
Responsibilities
- Designing and building a low-latency, high-throughput data forwarding plane using Rust, leveraging its async/await model for efficient I/O and service-oriented infrastructure
- Developing distributed, scalable systems with a focus on concurrency, fault tolerance, and messaging
- Implementing and maintaining gRPC-based APIs and services to integrate forwarding plane capabilities with control and orchestration layers
- Optimizing system performance through profiling tools across kernel-space and user-space
- Engaging in code reviews, system design discussions, technical documentation, and mentoring junior engineers
Preferred Qualifications
- Experience with systems languages like C/C++ or Go, particularly in performance-critical environments
- Familiarity with Linux networking stacks, kernel-space technologies (eBPF, XDP, DPDK), bare-metal deployments, Kubernetes networking, service meshes, or observability tools
- Open-source contributions to Rust or Linux networking projects are a strongly preferred
