Key Responsibilities

• Network Architecture & Management: Lead the design, implementation, and scaling of the corporate production network to maintain high availability and resilience.
• Firewall & Security Administration: Manage FortiGate firewalls, security policies, and site-to-site/remote access VPN configurations.
• Cloud & Wireless Deployment: Oversee network administration and zero-touch provisioning (ZTP) for branch rollouts via the Cisco Meraki portal.
• Routing & Infrastructure: Design, optimise, and maintain VLANs, routing protocols, and enterprise MPLS architectures.
• Virtualisation & Hybrid Cloud Support: Maintain and optimise network connectivity across virtualised environments (VMware vSphere/NSX, Nutanix AHV) and public cloud platforms (Azure Virtual Networks/ExpressRoute).
• Network Mapping & Documentation: Discover, audit, and document core switches, firewalls, routers, and access points across primary sites and remote branches.
• Maintenance & DR Testing: Schedule firmware/software upgrades during maintenance windows. Regularly validate secondary ISP failover routes, backup VPN paths, and firewall configurations.
• Site & International Support: Undertake site visits across Ireland as needed, with occasional rare travel to European and Middle Eastern locations.

Skills and Requirements

• 5+ years' experience in IP networking and enterprise network design through formal education or practical experience.
• Firewall & Security: Hands-on expertise with FortiGate firewall management, NAT policies, HA configuration and network security protocols.
• Management Platforms: Strong proficiency with Cisco Meraki dashboard administration and wireless/SD-WAN ecosystems.
• Protocols & Routing: Senior-level competence in IP routing/switching, VLAN segmentation, MPLS, IPsec/SSL VPNs, OSPF, BGP, and QoS/queueing theory.
• Virtualisation & Cloud: Solid operational knowledge of VMware, Nutanix, and Azure networking configurations.
• Licensing & Travel: Full, clean driving license required for site visits across Ireland, with flexibility for rare international travel (Europe / Middle East).
• Operations: Proven ability to troubleshoot enterprise environments rapidly and support 24x7x365 network reliability.