# Architect / Senior Principal Software Development Engineer (Layer 7 Security & Proxy)

**Company**: Zscaler
**Location**: Santa Clara, California
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Salary**: $217,000-$310,000 USD
**Category**: Engineering
**Industry**: Technology

**Apply**: https://job-boards.greenhouse.io/zscaler/jobs/5239093007?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_0224b6f1-bde

## Description

Zscaler, a leading company in digital transformation, is seeking an Architect / Senior Principal Software Development Engineer (Layer 7 Security & Proxy) to join its team.

The role involves providing technical leadership for the ZIA proxy architecture, focusing on advanced Layer 7 protocols and SSL inspection. The ideal candidate will help improve code quality, drive sound architectural decisions, implement innovative solutions, and raise the engineering bar for the team.

Key responsibilities:

- Support end-to-end QUIC/HTTP/3 and HTTP/2 proxy and TLS/SSL architecture in ZIA

- Define and evolve ZIA proxy architecture

- Collaborate with Product Management and engineering on solution design and delivery

- Establish reference architectures and design patterns for ZIA components and integrations

- Provide technical leadership and mentoring across virtual and product teams

Requirements:

- 15+ years of experience in designing and implementing networking security software and public clouds infrastructure

- Foundational understanding of AI/ML technologies

- Deep understanding of Proxies, HTTP/2, QUIC, TCP/IP, TLS/DTLS, and SSL proxies

- Proficiency 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

Preferred qualifications:

- Proven ability to leverage AI technologies and workflows

- Mastery of TCP/IP, DNS, Http(s), VPN technologies, NAT, and load balancing

- Knowledge of BSD/Linux operating systems, virtualization technologies, and DPDK or similar kernel bypass techniques

The role offers a salary range of $217,000-$310,000 USD and comprehensive benefits, including various health plans, time off plans, parental leave options, retirement options, education reimbursement, and in-office perks.

## Skills

### Required
- AI/ML technologies
- networking security software
- public clouds infrastructure
- Proxies
- HTTP/2
- QUIC
- TCP/IP
- TLS/DTLS
- SSL proxies
- C language

### Nice to have
- AI technologies and workflows
- DNS
- Http(s)
- VPN technologies
- NAT
- load balancing
- BSD/Linux operating systems
- virtualization technologies
- DPDK or similar kernel bypass techniques

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Source: [Apply at job-boards.greenhouse.io](https://job-boards.greenhouse.io/zscaler/jobs/5239093007?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)