Senior Network Security Engineer

About the role

We are seeking a Senior Network Security Engineer to lead the design, implementation, and maintenance of our enterprise network and security infrastructure. The role combines deep technical expertise with hands‑on troubleshooting to ensure a resilient, secure, and high‑performance environment.

Key responsibilities

• Manage, configure, and optimize enterprise networking and security devices, including firewalls, routers, switches, SD‑WAN, WLAN, and unified communications.
• Deploy and administer FortiGate NGFW, Cisco Firepower (FTD/FMC), and Cisco ASA firewalls.
• Perform vulnerability mitigation, incident response, and security hardening across the network.
• Design and maintain HA clustering, NAT, site‑to‑site and remote‑access VPNs, and SSL inspection.
• Implement Zero Trust segmentation, IDS/IPS, and security policy governance.
• Conduct firmware upgrades, patch management, and lifecycle maintenance.
• Monitor network performance, proactively identify issues, and ensure high availability.
• Collaborate with cross‑functional teams to deliver secure, scalable services.

Required profile

• 7–10 years of hands‑on experience in network and security engineering.
• Bachelor’s degree in Telecom Networks, IT, Computer Science, or related field.
• Professional certifications such as CCNP Security, Fortinet NSE7, or equivalent.

Required skills

• FortiGate firewalls (NGFW)
• Cisco Firepower (FTD/FMC) and Cisco ASA
• Cisco and Huawei routers and switches
• Networking protocols: BGP, OSPF, STP, VRRP, DHCP
• SD‑WAN, WLAN, Cisco Unified Communications Manager (CUCM)
• HA clustering, NAT, VPN (site‑to‑site, remote access)
• SSL inspection, IDS/IPS, security policy management
• Zero Trust architecture, threat prevention, malware defense
• Firmware upgrades and infrastructure lifecycle management