Senior Network Engineer

About the role

BlackStone eIT is hiring a Senior Network Engineer in Ajman. The role covers designing, implementing, managing, securing and troubleshooting enterprise network infrastructure so that multiple sites and cloud environments stay highly available, performant and secure.

Key responsibilities

• Manage and troubleshoot Cisco and HPE Aruba infrastructure, including BGP, OSPF, static routing, MPLS, VLANs, VRF and Layer 2/3 technologies
• Configure core switches (Aruba VSX/VSF, stacking, redundancy, high availability) and wireless LAN controllers, access points and SSIDs
• Administer Aruba ClearPass NAC (802.1X, RADIUS, TACACS+) integrated with Microsoft Azure AD and Intune
• Configure FortiGate and Palo Alto firewalls, including NAT, IPsec VPN and SSL VPN
• Implement SD-WAN, WAN connectivity, routing policies, link monitoring, failover and traffic optimisation
• Manage inter-site MPLS and site-to-site VPN tunnels, DNS, DHCP and IP addressing
• Monitor performance, bandwidth, device availability, firewall logs and security events, and run root-cause analysis on incidents
• Coordinate with telecom providers such as Etisalat and FEDNet, and design secure links to government and third-party networks
• Perform configuration backups, firmware upgrades, preventive maintenance and technical documentation

Required profile

• Hands-on experience in enterprise routing, switching, network security and multi-site connectivity
• Strong knowledge of Cisco and Aruba technologies
• Experience with FortiGate and Palo Alto firewalls, VPNs, NAT and SD-WAN
• Knowledge of wireless networking, NAC, DNS, DHCP, monitoring and troubleshooting
• Understanding of cloud networking and hybrid infrastructure
• Preferred: networking certifications (CCNA, CCNP Enterprise, Fortinet NSE 4-7, Palo Alto PCNSA, Aruba Switching and Campus Access, Azure Fundamentals)