Senior Network Engineer

Company: Al Mana Computer Services W.L.L / Al Mana Security Systems W.L.L

Location: Doha, Qatar

Industry: ICT / Network Infrastructure / Security Systems

Al Mana Computer Services and Al Mana Security Systems are seeking a highly skilled Network Engineer to lead the design, implementation, optimization, and management of enterprise network infrastructure across multi-site environments.

The role is responsible for ensuring secure, scalable, and high-performance connectivity across enterprise LAN/WAN networks, firewalls, VPNs, wireless infrastructure, and VoIP systems. The successful candidate will possess strong hands‑on experience in routing, switching, network security, and enterprise infrastructure management
, along with excellent troubleshooting and problem‑solving skills.

This role will also collaborate closely with technical teams, sales teams, project teams, and external vendors to support infrastructure deployments and client solutions.

• Configure and maintain LAN/WAN infrastructure and network segmentation.
• Manage routing, switching, and VPN connectivity across enterprise networks.
• Implement and maintain firewall policies, NAT, and security rules
  .
• Support and maintain enterprise wireless networks and controllers
  .
• Monitor network performance and troubleshoot L2/L3 network issues
  .
• Manage IP Telephony / VoIP systems (Cisco CUCM preferred).
• Coordinate with ISPs, vendors, and internal teams for connectivity and upgrades.
• Maintain network documentation, diagrams, and configuration backups
  .
• Ensure compliance with security, audit, and regulatory requirements
  .

• Strong knowledge of Advanced Routing & Switching (Layer 2 & Layer
  3)
• Experience with Firewalls, VPNs, and network security policies
• Experience managing enterprise wireless networks
• Knowledge of VLANs, network segmentation, and multi-site infrastructure
• Experience with network monitoring tools (Solar Winds, PRTG, Nagios)
• Familiarity with Cisco, Fortinet, Palo Alto or similar platforms

• Bachelor’s degree in Computer Science, IT, Network Engineering, or related field
• Minimum 5 years of experience in enterprise network infrastructure
• Experience with multi-site enterprise environments preferred
• Relevant certifications (
  Cisco, Fortinet, Aruba, Palo Alto
  ) are an advantage