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Zscaler

Secures workforce access to apps and the internet

Senior Staff Software Engineer - Layer 7 Security & Proxy

Systems Software EngineeringConfirmed live in the last 24 hours
Full-timeSanta Clara, CA, USA$180k - $225k

About the Job

Requirements

  • Foundational understanding of artificial intelligence and machine learning technologies, with experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within the functional domain.
  • At least 8 years of total experience and proven experience designing and implementing networking security software and public cloud infrastructure.
  • Deep understanding of proxies, HTTP/2, QUIC, TCP/IP, TLS/DTLS, and SSL proxies.
  • Proficiency in C.
  • Demonstrated success designing, optimizing, and troubleshooting high-throughput, low-latency network security products.
  • Bachelor's degree in Computer Science, Information Technology, or a related field.

Responsibilities

  • Support end-to-end QUIC/HTTP/3 and HTTP/2 proxy and TLS/SSL architecture in ZIA.
  • Define and evolve ZIA proxy architecture.
  • Partner with Product Management and engineering on solution design, trade-offs, and end-to-end delivery of core ZIA functionality.
  • Establish reference architectures and design patterns for ZIA components and integrations.
  • Provide technical leadership, mentoring, and architectural governance across virtual and product teams.

Desired Qualifications

  • Proven ability to leverage AI technologies and workflows to drive measurable operational efficiency.
  • Mastery of TCP/IP, DNS, HTTP(S), VPN technologies (IPSec, SSL VPN), NAT, and load balancing.
  • Knowledge of BSD/Linux operating systems, virtualization technologies, and DPDK or similar kernel bypass techniques.

About the Company

Zscaler

Secures workforce access to apps and the internet

Zscaler builds cloud security software for organizations that need to protect employees, applications and data across offices and remote locations. Its Zero Trust Exchange checks the identity and context of each connection, inspects traffic for threats and applies access rules set by security teams. Zscaler Internet Access protects web and cloud application traffic, while Zscaler Private Access connects authorized users to specific internal applications without a VPN. Organizations buy subscriptions priced primarily by the number of users and metered usage, with related support services included in the business. Zscaler was founded in 2007 and is headquartered in Santa Clara, California.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Santa Clara, CA
Founded
2007

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