Network Security Engineer

Job Description -Network Security Engineer

Role Overview

We are seeking a highly experienced Network Security Engineer with mandatory CCIE certification to design, implement, secure, and support on-premise enterprise network and security infrastructures.

This role focuses exclusively on physical data centers, campus networks, and WAN environments.

The ideal candidate will have deep hands-on expertise in routing & switching, next-generation firewalls, access control, VPNs, and enterprise wireless within mission-critical, high-availability on-prem environments.

Mandatory Requirements

• Active CCIE Certification (Mandatory) – Security / Enterprise / Collaboration accepted
• 8–15+ years of hands-on experience in on-premise enterprise networks
• Strong experience working in UAE enterprise, government, banking, or system integrator environments

Key Responsibilities

• Design, deploy, and support on-premise LAN/WAN and Data Center network security architectures
• Implement and manage Next-Generation Firewalls (NGFW) including policy design, IPS, application control, and threat prevention
• Architect, configure, and troubleshoot Site-to-Site VPN, Remote Access VPN, DMVPN, IPsec, and GRE
• Design and implement high-availability (HA), redundancy, and failover solutions
• Implement Network Access Control (NAC) using 802.1X and Cisco ISE
• Secure east-west and north-south traffic within data centers
• Lead PoC, migrations, firewall replacements, and infrastructure upgrades
• Prepare and maintain HLD, LLD, As-Built diagrams, and implementation documents
• Perform advanced L2/L3 troubleshooting and root-cause analysis
• Ensure compliance with security standards, audit requirements, and operational best practices

Technical Skills – Mandatory

Routing & Switching

• BGP, OSPF, EIGRP, RIP
• VLAN, STP / RSTP / MSTP, VTP
• HSRP, VRRP, GLBP
• Cisco Catalyst (9K series), Nexus (NX-OS)
• vPC, VDC, FabricPath
• Policy-Based Routing (PBR)

Network Security

• Firewalls:
• Cisco ASA / Firepower (FPR + FMC)
• Palo Alto
• FortiGate
• Firewall clustering and high availability
• IPS, Antivirus, Web Filtering, Application Control
• Secure perimeter and internal segmentation design

VPN & Secure Connectivity

• Site-to-Site IPsec VPN
• Remote Access VPN (AnyConnect or equivalent)
• DMVPN, GRE
• Secure WAN interconnects (MPLS, leased lines)

Access Control & NAC

• Cisco ISE
• 802.1X (Wired & Wireless)
• Guest & Sponsored access
• Role-based and policy-driven access control

Wireless (On-Prem Controllers)

• Cisco Wireless (9800 WLC)
• Aruba Controllers
• Enterprise WLAN security design

Email & Web Security (On-Prem Appliances) – Preferred

• Secure Email Gateways
• Web Security Appliances
• DLP, HTTPS inspection, URL filtering

Documentation & Professional Skills

• Strong experience producing:
• High-Level Design (HLD)
• Low-Level Design (LLD)
• Network diagrams and As-Built documentation
• Excellent troubleshooting and analytical skills
• Strong customer-facing communication
• Ability to work independently in critical environments