Senior Staff Software Engineer – SASE & Cloud Security

Santa Clara, California, USA. Posted 29 days ago

The role

Build and improve the Zero Trust Branch datapath platform, designing dataplane services and APIs used by millions of users worldwide. Work with cross-functional teams on cloud security and SD-WAN network solutions.

What you will do

Define requirements, design architectures and deliver cloud-based software solutions and network integrations with cross-functional teams
Develop cloud-delivered security and SD-WAN technologies using L2–L7 networking expertise
Build, maintain and optimize high-performance network applications and protocols in Go and Python
Design efficient data structures for network data processing and do system-level programming in Linux
Analyze network performance, find bottlenecks, and lead code reviews, testing and debugging

Required qualifications

Foundational understanding of AI/ML technologies and experience leveraging, securing or positioning AI-driven solutions
10+ years of experience designing and developing software in a distributed, enterprise-scale environment
Strong proficiency in Go applied to network data handling and processing
Deep expertise in Linux, including system-level programming, networking concepts, scripting and troubleshooting
Strong exposure to SD-WAN, VPNs, cloud security architectures and cloud platforms such as AWS
In-depth understanding of L2–L7 networking, TCP/IP internals, HTTP/HTTPS, SSL/TLS and performance testing

Nice to have

Proficiency with modern AI code-assistance tools such as GitHub Copilot or Cursor
Advanced hands-on experience with L3 tunneling protocols, SD-WAN implementations and cloud-based networking
Proven track record of monitoring industry trends and proposing architectural enhancements

Benefits

Various health plans
Vacation and sick time plans
Parental leave options
Retirement options
Education reimbursement
In-office perks

Before you apply

Zscaler complies with applicable pay transparency rules and offers accommodations in its recruiting process

About the company

Zscaler is a security company that runs the Zero Trust Exchange platform, which protects customers from cyberattacks and data loss. The company describes its platform as the world's largest in-line cloud security platform.