Senior Technical Support Engineer

Technical Support Dubai, UAE Permanent Job Title: Senior Technical Support Engineer

Job Purpose: We are seeking a Senior Network & Security Engineer to design, implement, manage, and support enterprise network and security infrastructure. The role requires expertise in networking, security, wireless, data center, and cloud technologies, ensuring highly available, secure, and scalable services in a 24x7 environment.

Qualification: Engineering Degree/Diploma(Computers / Electronics)

Certification: CCNA, CCNP Security, PCNSC,NSC 4 etc

Experience: 12+ years

Responsibilities:

• Plan,schedule, and execute network upgrades, implementations, and migrations withminimal business impact.
• Design maintain enterprise network architecture, topology diagrams, and technicaldocumentation.
• ManageSpine-Leaf and Three-Tier network architectures, including Core, Distribution,and Access layers.
• Configure and support WAN connectivity, MPLS, leased lines, andhigh-availability network solutions.
• Administer Palo Alto and FortiGate firewalls, including HA, VPNs, NAT, QoS,security policies, and traffic management.
• Deployand manage Cisco Catalyst 9800 Wireless Controllers, Cisco ISE, and 802.1Xauthentication.
• Configure and maintain Cisco DNA Center (DNAC), SDA Fabric, Cisco ACI, andVMware NSX environments.
• ManageVMware vSphere and VMware Cloud Director (VCD) infrastructure.
• Administer Infoblox DNS, DHCP, and IPAM services.
• Configure and support Cisco IPS solutions.
• Design,implement, and manage F5 BIG-IP LTM, GTM, and APM solutions.
• Developand support Disaster Recovery (DR) and Business Continuity plans.
• Provide L3 support, troubleshooting, rootcause analysis, and participate in a 24x7 support environment.

Mandatory:

• Strong expertise inRouting & Switching (BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).
• Hands-on experience withPalo Alto and FortiGate firewalls.
• Experience with CiscoWireless, Cisco ISE, DNAC, SDA, and ACI.
• Knowledge of VMware NSX, vSphere, and VCD.
• Experience managingInfoblox DNS/DHCP/IPAM.
• Expertise in F5 LTM, GTM, and APM technologies.
• Strong understanding ofnetwork security, VPNs, load balancing, and high-availability solutions.
• Excellent troubleshooting, documentation, and communication skills.
• Strong problem-solving andanalytical skills.
• Excellent communicationand documentation skills.
• Effective stakeholder andcustomer management.
• Ability to workindependently and in teams.
• Strong time management andmultitasking abilities.