Sr. Staff Software Development Engineer

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Sr. Staff Software Development Engineer in Others new

Zscaler
Full time
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Others
11/13/2026
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Bengaluru, India

Responsibilities

Design, develop, and optimize high-performance network architectures, control-plane services, WAN failover, and rapid-convergence mechanisms.
Develop kernel-level networking features using eBPF and NFLOG, and perform packet tracing, performance tuning, and data-path troubleshooting.
Harden public-sector infrastructure with TPM2, FIPS-certified cryptography, secure bootstrapping, and compliance controls.
Expand containerized platforms and Python-based control-plane orchestration across physical and cloud deployments.
Create image pipelines, drive platform activation, author technical specifications, and support unit, integration, and automated testing.
Resolve critical customer escalations, convert systemic defects into architectural improvements, and mentor junior engineers.

Requirements

Bachelor’s or master’s degree in Computer Science or a related field.
10+ years of experience in systems engineering for high-performance networking.
Deep expertise in Linux systems programming, networking subsystems, L2/L3 architecture, netfilter, packet routing, DHCP, DNS, IPsec, WireGuard, and GRE.
Proficiency in Go and Python, with strong debugging and problem-solving skills for complex data-path issues.
Demonstrated exploration and integration of AI tools to improve workflows and problem solving.
Strong communication, collaboration, ownership, and system-design capabilities.
Preferred: experience with AI/ML frameworks, intelligent data-path analysis, eBPF, NFLOG, bpftrace, VyOS, network operating systems, container optimization, CI/CD pipelines, artifact repositories, and security remediation.
Preferred: experience with TPM2, cellular modems, Dell VEP hardware, WireGuard, GRE, L2VPN, VRRP, FIPS, FedRAMP, TLS, DTLS, QUIC, AWS, Azure, Docker, Kubernetes, virtualization, and security solutions.

Benefits

Hybrid role based in Bangalore, India.
Health plans, vacation and sick time, parental leave, retirement options, education reimbursement, and in-office perks.

Zscaler

Zscaler is a leader in zero trust security, providing a cloud-native platform that enables organizations to secure users, applications, and data while driving digital transformation. Our Zero Trust Exchange platform leverages advanced AI and the largest security data lake to combat cyber threats,...

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