Principal Rust Developer jobs in United States
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Zscaler · 1 day ago

Principal Rust Developer

Zscaler accelerates digital transformation through its cloud-native Zero Trust Exchange platform, which safeguards customers from cyber threats. They are seeking a Principal Rust Developer to design and implement distributed systems and core infrastructure components, collaborating with various stakeholders to build a scalable platform for millions of users.

Cloud SecurityCyber SecurityEnterprise SoftwareSecurity
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H1B Sponsor Likelynote

Responsibilities

Design and build a low-latency, high-throughput data forwarding plane using Rust, leveraging its async/await model for efficient I/O and service-oriented infrastructure
Develop distributed, scalable systems with a 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 profiling tools across kernel-space and user-space
Engage in code reviews, system design discussions, technical documentation, and mentoring junior engineers

Qualification

RustDistributed systemsGRPCLinux fundamentalsContainer-based environmentsC/C++GoKubernetesTechnical documentationMentoring

Required

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
Proficiency in container-based environments, Git, CI/CD workflows, and performance instrumentation

Preferred

Experience with systems languages like C/C++ or Go, particularly in performance-critical environments
Familiarity with Linux networking stacks, kernel-space technologies such as eBPF or DPDK, and Kubernetes networking or service meshes
Hands-on experience with gRPC, Protobufs, and L2–L4 networking protocols including TCP/IP, QUIC, or routing encapsulations

Benefits

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

Company

Zscaler is a global cloud-based information security company that enables secure digital transformation for mobile and cloud.

H1B Sponsorship

Zscaler has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (164)
2024 (220)
2023 (108)
2022 (144)
2021 (82)
2020 (51)

Funding

Current Stage
Public Company
Total Funding
$1.67B
Key Investors
TPG GrowthLightspeed Venture Partners
2025-07-01Post Ipo Debt· $1.5B
2024-04-23Post Ipo Equity· $22.7M
2018-03-16IPO

Leadership Team

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Jay Chaudhry
CEO, Chairman & Founder
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Hemant Dabke
Area Vice President
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Company data provided by crunchbase