Zscaler Senior Principal Software Development Engineer role focused on Layer 7 Security & Proxy architecture at Zscaler. Lead technical architecture for ZIA proxy, including QUIC/HTTP/3, HTTP/2, and TLS/SSL, and drive modernization of the code base.
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
Qualification
You thrive in ambiguityYou are customer-obsessedYou are driven by innovationYou think at scaleDeep understanding of ProxiesProficient in C languageDemonstrated success in designingBachelor’s degree in Computer Science
Required
You thrive in ambiguity, comfortably building the path as you walk it and viewing dynamic environments as the raw material to create something meaningful.
You are customer-obsessed, building deep empathy for both internal and external users while anchoring your decisions in solving real-world problems.
You are driven by innovation, bringing deep curiosity to complex technical challenges and constantly seeking better, more secure, and scalable solutions.
You think at scale, connecting your daily work to the larger mission to build solutions that support a high-growth, global organization.
You lead with integrity by holding yourself and others to high standards of accountability and building trust through consistent, transparent action.
Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain
15+ years of experience of total experience and proven experience in designing and implementing networking security software and public clouds infrastructure
Deep understanding of Proxies, HTTP/2, QUIC, TCP/IP, TLS/DTLS and SSL proxies
Proficient in C language
Demonstrated success in designing, optimizing, and troubleshooting high-throughput, low-latency network security products
Bachelor’s degree in Computer Science, Information Technology, or related field
What Will Make You Stand Out (Preferred Qualifications)