About the Role

Technical leader and hands-on architect responsible for the deepest layers of a next-generation firewall operating system from data-plane packet processing and kernel interfaces to secure platform boot chains, crash diagnostics, and performance optimization across physical appliance and virtual firewall product

Key Responsibilities:
SystemArchitecture — Define and evolve the firewall OS architecture across multiple hardware generations and virtual platforms; OS interface design (A/B image lifecycle, secure boot, recovery mode)
DataPlanePerformance — Architect high-performance packet pipelines using DPDK/ODP; optimize throughput, connection rates, and DPI-SSL concurrency across multi-core, multi-queue settings
CrashAnalysis&SecurityHardening; — Serve as senior escalation point for production crashes; drive ASan/eBPF adoption; triage and fix memory corruption, deadlocks, and watchdog failures
Hotfix&EscalationEngineering; — Build and deliver targeted firmware fixes; analyze diagnostic logs from field deployments to resolve critical customer issues




TechnicalLeadership — Set architectural standards and design review processes; mentor engineers on systems debugging and performance analysis; drive up-to-date development workflows

Required Qualifications:
Education: B.Tech/B.E. or M.Tech/M.S. in Computer Science, Electrical Engineering, or related field
Experience: 15+ years in systems/embedded software engineering, with 5+ years in a principal/staff-level technical leadership role. Proven track record shipping production firmware for network security appliances, routers, or embedded networking products.

Must-Have Skills
CSystemsProgramming — Expert-level C in large embedded codebases; POSIX threading, custom memory allocators, 3264-bit migration, endianness handling
DataPlane — DPDK or ODP: poll-mode drivers, hugepages, RSS, SR-IOV, lockless data structures, per-core caching
Debugging — Coredump analysis (GDB on ARM64/x86), ASan/MSan

📌 Software Dev Principal Engineer System Engineering Delhi (India)
🏢 SonicWall
📍 India