Principal Software Development Engineer (Layer 7 Security & Proxy)

What you'll do

• Architect and evolve ZIA proxy support for QUIC/HTTP/3, HTTP/2, and TLS/SSL.
• Partner with Product Management and engineering on solution design, trade-offs, and delivery; establish reference architectures and design patterns.
• Provide technical leadership, mentoring, and architectural governance across teams.

What they ask for

• 12+ years of total experience, including designing and implementing networking security software and public cloud infrastructure.
• Deep understanding of proxies, HTTP/2, QUIC, TCP/IP, TLS/DTLS, and SSL proxies.
• Proficient in C language; demonstrated success designing, optimizing, and troubleshooting high-throughput, low-latency network security products.
• Bachelor’s degree in Computer Science, Information Technology, or related field; foundational understanding of AI/ML and experience leveraging, securing, or positioning AI-driven solutions in the functional domain.

Nice to have

• 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, virtualization, and DPDK or similar kernel bypass techniques.

Pay

$212,000 — $265,000 USD (base salary)

Tools

QUIC/HTTP/3, HTTP/2, TLS/SSL, TCP/IP, TLS/DTLS, C, DNS, DPDK

AI focus

Foundational AI/ML understanding and experience leveraging, securing, or positioning AI-driven solutions; preferred use of AI technologies and workflows to improve operational efficiency.