Network Specialist

About the CompanySIAD HoldingAbout the RoleJob Title Network SpecialistRole Purpose To design, operate, secure and maintain SIAD Holding’s group-wide network infrastructure – LAN/WAN, wireless, internet connectivity, firewalls, VPN, voice and monitoring – across the head office, subsidiaries and hotel properties, ensuring reliable, secure and continuously monitored connectivity for all group operations.ResponsibilitiesNetwork Infrastructure & ConnectivityInstall, configure and maintain Cisco switches, routers and wireless infrastructure across the group’s head office, subsidiaries and hotel properties.Manage WAN and internet links, ISP circuits and site-to-site connectivity between group locations; coordinate with ISPs on provisioning, faults and SLAs.Maintain IP addressing, VLAN segmentation, routing, QoS and wireless standards consistently across all sites.Plan and execute network changes, upgrades and capacity expansions with minimal disruption to business operations.Firewall, VPN & Network SecurityAdminister Fortinet (FortiGate) firewalls including security policies, NAT, web filtering, IPS, SD-WAN and high availability.Configure and support site-to-site and remote-access (SSL / IPsec) VPN connectivity for employees, partners and inter-site links.Enforce network security standards (segmentation, guest and IoT isolation, secure wireless, access control), review firewall rules periodically and remediate identified vulnerabilities.Support incident response for network security events in coordination with the IT team, vendors and service partners.Voice & Unified CommunicationsSupport Avaya IP telephony systems, handsets, SIP trunks and call routing (extensions, hunt groups, voicemail) across the group.Ensure QoS and network readiness for voice and contact-centre traffic in coordination with the call-centre team and telecom providers.Monitoring & OperationsImplement and maintain network monitoring and alerting (availability, performance, bandwidth, logs) and respond proactively to alerts.Perform configuration backups, firmware / OS upgrades, patching and lifecycle management for all network, firewall and voice devices.Troubleshoot and resolve escalated network issues from Technical Support, and escalate to vendors and partners (Cisco, Fortinet, Avaya) when required.Maintain network documentation (diagrams, inventory, configurations, standards, runbooks) and record all incidents and changes in the ticketing system.Support the procurement of network hardware, licenses, support contracts and services, and follow up on renewals.Contribute to the network scope of group projects such as new property openings, office relocations, cloud connectivity and disaster recovery.QualificationsKnowledgeLAN/WAN, routing and switching (Cisco), firewalls and VPN (Fortinet), wireless networking, IP telephony (Avaya), network security, monitoring tools, ITIL framework, troubleshooting.Education and certification requirementsBachelor’s degree in IT, Computer Engineering or Networking related field.Cisco CCNA required; Fortinet NSE 4 and Avaya certification preferred.Experience requiredMinimum of 3-5 years’ experience in network administration in a multi-site environment, preferably hospitality.Required SkillsLAN/WAN, routing and switching (Cisco).Firewalls and VPN (Fortinet).Wireless networking.IP telephony (Avaya).Network security.Monitoring tools.ITIL framework.Troubleshooting.Preferred SkillsFortinet NSE 4 certification.Avaya certification.Experience in hospitality industry environments.