Senior Architect – Firewall /Network Security

Key Responsibilities: Architecture & Design Own the system and component architecture for one or more major subsystems (e.g., Data Plane, Control Plane, Policy Engine, Management/UI). Design for scalability, throughput, and reliability across distributed and high-performance systems. Evaluate and select technologies, frameworks, and algorithms aligned with performance and maintainability goals. Collaborate with other architects and the Director to ensure architectural consistency across the platform. Translate product and customer requirements into detailed technical designs and interfaces. Technical Leadership Review design documents, APIs, and code for architectural alignment and quality. Guide engineers in implementing robust, modular, and maintainable code. Lead performance profiling, debugging, and root-cause analysis of complex system issues. Establish design patterns, coding standards, and system documentation practices. Serve as a technical advisor to engineering managers and senior engineers during implementation. Cross-Functional Collaboration Work closely with Product Management to evaluate technical feasibility of new features. Coordinate with QA, DevOps, and Security teams to ensure testability, observability, and release readiness. Support customer escalations when deep technical insight is required. Required Skills & Experience 12+ years of experience in C/C++ systems software development. Strong expertise in network security concepts (TCP/IP, IPsec, VPN, routing, NAT, DPI, etc.). Proven experience designing multi-threaded, high-performance, and low-latency systems. Deep understanding of OS internals, memory management, concurrency, and networking stacks. Experience with DPDK, Netfilter or equivalent frameworks. Excellent analytical, debugging, and performance-tuning skills. Demonstrated ability to write and review detailed design and architecture documents. Strong communication skills and ability to collaborate across teams and roles.