Senior Security Engineer

Responsibilities

• Design, develop, and maintain network security features, including antivirus, SSL inspection, IDS/IPS, and content filtering in enterprise router firmware and software stacks.

• Develop deep packet inspection (DPI) and signature-based detection engines for identifying malware, exploits, and malicious traffic patterns.

• Integrate threat intelligence feeds and update mechanisms to ensure detection of evolving security threats.

• Ensure high-performance packet processing and minimal latency for real-time threat detection.

• Collaborate with product managers and system architects to define the security roadmap and feature priorities.

• Work with QA and DevOps teams to design test cases, validation frameworks, and automated regression testing for security features.

• Conduct vulnerability analysis, performance benchmarking, and optimization for security modules.

• Stay current with network security standards, protocols, and emerging threats.

Requirement

• 5+ years of experience in embedded or network security software development.

• Understanding or hands-on experience with:

  • SSL/TLS inspection and secure proxy implementations

  • IDS/IPS, DPI, and packet inspection engines

  • Content filtering via DNS restriction

  • Antivirus and sandboxing

• Proficiency in C/C++, with strong knowledge of Linux networking stack and kernel modules.

• Familiarity with security frameworks and libraries (e.g., Suricata, Snort, ClamAV, OpenSSL, libpcap).

• Solid understanding of networking fundamentals (TCP/IP, NAT, routing, QoS).

• Excellent debugging, profiling, and performance tuning skills.

• Strong documentation and communication abilities.

Preferred Qualifications

• Experience developing for enterprise or ISP-grade routers and gateways.

• Familiarity with UniFi platforms.