Sr. Staff Software Development Engineer

Zscaler•San Jose, CA

42d•Hybrid

About The Position

Serving thousands of enterprise customers around the world including 45% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. Our Engineering team built the world’s largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today’s cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy. We’re looking for an experienced Sr. Staff Engineer to join our ZPA team. This role is hybrid and based in our San Jose, CA office three days a week. Reporting to the Manager, Software Engineering, you will be responsible for:

Requirements

6+ years of experience in C/C++ programming in a distributed and enterprise-scale environment
Experience with networking protocols and traffic management technologies (e.g., TCP/IP, HTTP/HTTPS, SSL/TLS, QUIC)
Experience diagnosing and resolving network performance issues (latency/packet loss), including analysis using traffic tools
Strong knowledge in one or more of the cloud platforms such as AWS, Azure, or GCP
Familiarity with Kubernetes components and containerization technologies such as Docker or Podman

Nice To Haves

Working experience in Rust programming language
Familiarity with Hashicorp Packer for building and customizing VM images for cloud for AWS, Azure, GCP, or VMware ESX
Experience proposing and delivering enhancements to improve system reliability, scalability, and network efficiency

Responsibilities

Working on cutting-edge Zero Trust technologies, developing and delivering solutions that ensure fast, reliable, and secure access to business-critical apps
Designing and developing new architectures as well as extending and optimizing existing throughput-critical forwarding systems and pipelines that guarantee high-speed transit with imperceptible latency
Collaborating across teams (product, operations, etc.) to design, implement, deploy, and monitor systems in production and at scale
Proactively identifying and resolving hotspots to ensure smooth performance as the user base grows and identifying paths towards operational improvements and excellence