Zscaler · 12 hours ago
Sr. Staff Software Development Engineer- C/C++
Zscaler is a pioneer and global leader in zero trust security. They are seeking a Sr. Staff Engineer to join their ZPA team, where the role involves designing and developing new architectures and optimizing existing systems to ensure secure access to business-critical applications.
Responsibilities
Design and develop new architectures while extending and optimizing existing throughput-critical forwarding systems and pipelines that guarantee high-speed transit with imperceptible latency
Collaborate across product and operations teams to design, implement, deploy, and monitor systems in production at scale
Proactively identify and resolve hotspots to ensure smooth performance as the user base grows, identifying paths toward operational excellence
Develop and deliver cutting-edge Zero Trust technologies and solutions that ensure fast, reliable, and secure access to business-critical apps
Qualification
Required
7+ years of experience in C/C++ programming within a distributed and enterprise-scale environment
Deep experience with networking protocols and traffic management technologies, including TCP/IP, HTTP/HTTPS, SSL/TLS, and QUIC
Proven experience diagnosing and resolving network performance issues, such as latency or packet loss, using traffic analysis tools
Strong knowledge of one or more cloud platforms such as AWS, Azure, or GCP
Familiarity with Kubernetes components and containerization technologies such as Docker or Podman
Preferred
Familiarity with Hashicorp Packer for building and customizing VM images for cloud environments like AWS, Azure, GCP, or VMware ESX
Experience proposing and delivering enhancements to improve system reliability, scalability, and network efficiency
Benefits
Various health plans
Time off plans for vacation and sick time
Parental leave options
Retirement options
Education reimbursement
In-office perks, and more!
Company
Zscaler
Zscaler is a global cloud-based information security company that enables secure digital transformation for mobile and cloud.
H1B Sponsorship
Zscaler has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (164)
2024 (220)
2023 (108)
2022 (144)
2021 (82)
2020 (51)
Funding
Current Stage
Public CompanyTotal Funding
$1.67BKey Investors
TPG GrowthLightspeed Venture Partners
2025-07-01Post Ipo Debt· $1.5B
2024-04-23Post Ipo Equity· $22.7M
2018-03-16IPO
Recent News
2026-01-23
2026-01-23
2026-01-22
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