Zscaler

Sr. Staff Software Development Engineer

Zscaler
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3 hours ago
Santa Clara, CA, USAStaff+
H1B sponsor

Base Salary

$180k - $225k/yr

Responsibilities

  • Define requirements, design architectures, and deliver resilient cloud-based software solutions and network integrations.
  • Develop and optimize high-performance network applications and protocols using Go and Python.
  • Design dataplane services, APIs, and data structures for network data processing.
  • Perform system-level programming, networking, scripting, and troubleshooting in Linux environments.
  • Analyze network performance, isolate bottlenecks, and drive system optimizations.
  • Lead code reviews, testing, debugging, and architectural enhancements for reliability, scalability, and network efficiency.

Requirements

  • 10+ years of experience designing and developing software in distributed, enterprise-scale environments.
  • Strong proficiency in Go for network data handling and processing.
  • Deep expertise in Linux environments, system-level programming, networking concepts, scripting, and troubleshooting.
  • Experience with SD-WAN technologies, VPNs, cloud security architectures, and cloud platforms such as AWS.
  • In-depth understanding of L2–L7 networking, TCP/IP internals, HTTP/HTTPS, SSL/TLS, traffic management protocols, and performance testing methodologies.
  • Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions within the functional domain.
  • Preferred: proficiency with GitHub Copilot, Cursor, or similar AI code-assistance tools.
  • Preferred: advanced hands-on experience with L3 tunneling protocols, SD-WAN implementations, and cloud networking architecture, design, and deployment.
  • Preferred: track record of proposing architectural improvements to system reliability, scalability, and network efficiency.

Benefits

  • Hybrid work arrangement in Santa Clara, California, with three days in the office.
  • Various health plans.
  • Vacation and sick time plans.
  • Parental leave options.
  • Retirement options.
  • Education reimbursement.
  • In-office perks.

Categories

Zscaler

About Zscaler

5,001-10,000 employees

Zscaler builds a cloud-delivered zero trust security platform that replaces traditional network security appliances for enterprises and public-sector organizations. Its Zero Trust Exchange provides secure web gateway, zero trust access, CASB, and cloud firewall services, sold as subscriptions and delivered across 160+ global data centers. Founded in 2007 and headquartered in San Jose, it is a public company on NASDAQ (ZS) serving thousands of customers worldwide.

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