Keywords: Network Engineering,Network Security,CCNA Certified,CCNP Certified,Aruba,Firewall,FCP/FCSS,Palo Alto PCNSA/PCNSE,Infrastructure Specialist
Role Purpose:
Job Summary We are seeking an experienced Network & Infrastructure Engineer to design, implement, maintain, secure, and troubleshoot enterprise network and IT infrastructure across multiple locations. The ideal candidate will have strong hands-on experience in Cisco/HP Aruba networking, enterprise wireless, firewalls, VPNs, NAC, structured cabling, telephony, CCTV, IoT, and IT/OT connectivity. Key Responsibilities Network Infrastructure: Configure and manage LAN/WAN, Cisco and HP/Aruba switches, routers, VLANs, OSPF/BGP, routing, redundancy, SD-WAN, IP addressing, and ISP connectivity. Wireless Networking: Manage enterprise Wi-Fi, access points, controllers, SSIDs, authentication, guest networks, coverage surveys, and performance optimization. Telephony & VoIP: Administer 3CX, Cisco Unified Communications, SIP trunks, extensions, IVR, call routing, VoIP gateways, and QoS. Network Security: Manage next-generation firewalls (FortiGate, Palo Alto, Cisco Firepower or equivalent), security policies, NAT, IPS/IDS, VPNs, HA, NAC, 802.1X, RADIUS/TACACS+, and network segmentation. Support endpoint security (EDR/XDR), email security, and security incident investigation. Structured Cabling: Plan and supervise Cat6/Cat6A and fiber-optic installations, MDF/IDF rooms, racks, patch panels, cable management, Fluke certification, fiber testing, and contractor activities. CCTV & Surveillance: Deploy and troubleshoot IP cameras, NVR/VMS, PoE, video storage, CCTV VLANs, and access-control integration, ensuring compliance with applicable UAE security authority requirements, including SIRA/MCC where relevant. IoT, OT & Smart Infrastructure: Support industrial devices, sensors, gateways, wireless bridges, and IT/OT connectivity; implement secure segmentation and DMZs while coordinating with engineering, automation, and application teams. Monitoring & Troubleshooting: Monitor network health, availability, latency, packet loss, and bandwidth using PRTG, SolarWinds, ManageEngine, or equivalent tools. Resolve complex L2/L3, firewall, VPN, wireless, fiber, and application connectivity issues using Wireshark and other diagnostic tools. Incident & Change Management: Perform root cause analysis (RCA), implement corrective actions, support upgrades and outages, and follow approved maintenance and change-management procedures. Documentation & Compliance: Maintain network diagrams, IP/VLAN plans, configurations, backups, asset inventories, rack layouts, cable records, SOPs, and audit documentation. Coordinate with IT teams, vendors, contractors, security teams, telecom providers, and business stakeholders.