Security Solutions Specialist – Network Operations

Location: Dubai / Remote Employment Type: Contract Department: Cloud and InfrastructureJob Summary We are looking for an experienced Security Solutions Specialist to manage day-to-day Network Access Control, network security, firewall, routing, and switching operations in a multi-vendor enterprise environment.

The ideal candidate will have hands-on expertise with FortiNAC, Aruba ClearPass, Cisco ISE, Fortinet, Palo Alto, Cisco, Arista, and HPE Aruba technologies. Key Responsibilities Operate and support NAC platforms, including FortiNAC, Aruba ClearPass, or Cisco ISE. Manage endpoint profiling, posture assessment, access policies, quarantine, remediation, and device onboarding/offboarding. Support wired, wireless, BYOD, OT, IoT, IP phone, camera, and corporate endpoint access controls. Configure and troubleshoot RADIUS, TACACS+, 802.1X, EAP-TLS, AAA, and identity-source integrations. Monitor, maintain, and troubleshoot routing, switching, VLANs, inter-VLAN routing, and firewall environments. Operate Next-Generation Firewalls, including IPS, web filtering, application control, antivirus, and access-control policies. Investigate network incidents, authentication failures, firewall alerts, and performance issues. Support MPLS, BGP, EVPN-VXLAN, NAT, QoS, traffic segmentation, and packet-capture analysis. Perform health checks, change implementation, testing, rollback planning, and root-cause analysis. Maintain configuration records, operational runbooks, incident reports, and SOPs. Participate in on-call or shift-based support as required. Requirements Bachelor’s degree in IT, Computer Science, Networking, or a related field. Proven hands-on operational experience with FortiNAC, Aruba ClearPass, Cisco ISE, or equivalent NAC platforms. Strong experience with Fortinet, Palo Alto, Cisco, Arista, and/or HPE Aruba networking and firewall technologies. Strong knowledge of TCP/IP, VLANs, routing, switching, BGP, MPLS, EVPN-VXLAN, RADIUS, TACACS+, and 802.1X. Experience operating NGFW security features such as IPS, web filtering, application control, antivirus, and NAC integration. Ability to analyse logs, alerts, packet captures, and authentication events in a live production environment. Strong troubleshooting, incident response, documentation, and communication skills. Preferred Certifications Fortinet NSE 4, NSE 5, or NSE 7. CCNA, CCNP, or equivalent Cisco certification. Aruba ClearPass or Cisco ISE certification. Exposure to ISO 27001, GDPR, PCI-DSS, SIEM, IAM, and automation/scripting.