Zscaler · 1 day ago
Sr. Staff Software Development Engineer
Zscaler is a leader in cloud security, dedicated to accelerating digital transformation for its customers. They are seeking an experienced Senior Staff Development Engineer to design, develop, and optimize their system, ensuring compliance with federal certifications while collaborating with cross-functional teams to enhance system performance.
Cloud SecurityCyber SecurityEnterprise SoftwareSecurity
Responsibilities
Designing, developing, and optimizing the system, including networking and security features, to support high-performance applications
Ensuring federal certifications such as FIPS, FedRAMP, Common Criteria, and SOC2 compliance
Creating design and functional specification documents while performing unit testing and automation to ensure quality
Collaborating with cross-functional teams to identify and resolve system-related issues, optimize system performance, and innovate features to expand system capabilities
Applying strong software design principles to deliver reliable, scalable, and impactful product improvements
Qualification
Required
Bachelor's or Master's (preferred) degree in Computer Science or a related field, with 8+ years of experience in system engineering focused on designing and optimizing system infrastructure for high-performance networking and security applications
Expertise in Linux kernel-based networking (L2/L3), Stateful Firewall, Network drivers, QoS, Traffic management, and protocols like VLANs, DHCP, DNS, Tunneling (IPSec, Wireguard, GRE), TLS, and DTLS
Proficiency in C and Python programming languages, with excellent problem-solving skills for debugging complex data path issues efficiently
Strong communication and collaboration skills to work effectively with cross-functional teams
Solid understanding of high-performance networking, security infrastructure, and the technical skills required for efficient and scalable systems design
Preferred
Experience in user space data path technologies such as VPP, DPDK, SR-IOV, NFV, and SDN, along with certifications like FIPS, FedRAMP, Common Criteria, and SOC2 is desired
Familiarity with cloud computing platforms (e.g., AWS, Azure) and containerization technologies (e.g., Docker, Kubernetes) is desired
Expertise in advanced networking, virtualization, and security solutions is preferred
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
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2026-01-06
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