Job Summary

Leads the architecture and design of network security subsystems, including firewall, IDS/IPS, and IPsec VPN.

Responsibilities

- Architect network security subsystems (stateful firewall, IDS/IPS, IPsec VPN, DDoS mitigation) compliant with IETF/ISO standards
- Design and implement stateful firewall with zone-based policy, connection tracking, NAT/PAT, and ALGs
- Design and implement IKEv1/IKEv2 and IPsec (ESP/AH, tunnel/transport modes, AES-GCM/ChaCha20-Poly1305)
- Design and implement IDS/IPS with signature and anomaly-based detection, and DDoS mitigation for SYN/UDP/ICMP flood and amplification attacks
- Implement the AAA framework (RADIUS, TACACS+, 802.1X) for authentication, authorization, and accounting
- Design for high-throughput security processing with hardware acceleration, and mentor engineers on threat mitigation best practices

Requirements

- 10+ years in software engineering, with 5+ years focused on network security systems development
- Expert knowledge of stateful firewall architecture, IPsec (RFC 4301/4303)



and IKE (RFC 7296) with hands-on implementation experience
- Deep understanding of IDS/IPS technologies (Snort, Suricata) and DDoS attack vectors and mitigation techniques
- Deep understanding of cryptography and PKI - AES-GCM, RSA/ECDSA, TLS 1.2/1.3, X.509 certificate validation

Nice to Have

- Experience with enterprise firewall, NGFW, or UTM platform development
- Experience with security compliance frameworks (PCI-DSS, HIPAA, ISO 27001)
- Multi-vendor security platform development experience

Key Skills

- C/C++
- IPsec/IKEv2
- TLS 1.2/1.3
- Radius/tacacs+
- Netfilter/nftables
- eBPF/XDP
- DPDK
- Snort/Suricata
- Wireshark

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 System Architect / Principal Engineer - Network Security (Bengaluru)
🏢 MROTEK
📍 Bengaluru