Senior network engineer

Company:Al Mana Computer Services W. L. L / Al Mana Security Systems W. L. LLocation:Doha, QatarIndustry:ICT / Network Infrastructure / Security Systems:Al Mana Computer Services and Al Mana Security Systems are seeking a highly skilledNetwork Engineerto lead the design, implementation, optimization, and management of enterprise network infrastructure across multi-site environments.The role is responsible for ensuringsecure, scalable, and high-performance connectivityacross enterprise LAN/WAN networks, firewalls, VPNs, wireless infrastructure, and Vo IP systems. The successful candidate will possess strong hands‑on experience inrouting, switching, network security, and enterprise infrastructure management , along with excellent troubleshooting and problem‑solving skills.This role will also collaborate closely withtechnical teams, sales teams, project teams, and external vendorsto support infrastructure deployments and client solutions.:Configure and maintainLAN/WAN infrastructureand network segmentation.Managerouting, switching, and VPN connectivityacross enterprise networks.Implement and maintainfirewall policies, NAT, and security rules.Support and maintainenterprise wireless networks and controllers.Monitor network performance and troubleshootL2/L3 network issues.ManageIP Telephony / Vo IP systems (Cisco CUCM preferred).Coordinate withISPs, vendors, and internal teamsfor connectivity and upgrades.Maintainnetwork documentation, diagrams, and configuration backups.Ensure compliance withsecurity, audit, and regulatory requirements.:Strong knowledge ofAdvanced Routing & Switching (Layer 2 & Layer 3)Experience withFirewalls, VPNs, and network security policiesExperience managingenterprise wireless networksKnowledge ofVLANs, network segmentation, and multi-site infrastructureExperience withnetwork monitoring tools (Solar Winds, PRTG, Nagios)Familiarity withCisco, Fortinet, Palo Alto or similar platforms:Bachelor’s degree inComputer Science, IT, Network Engineering, or related fieldMinimum 5 yearsof experience in enterprise network infrastructureExperience withmulti-site enterprise environmentspreferredRelevant certifications ( Cisco, Fortinet, Aruba, Palo Alto ) are an advantage