David McAlister

David is an extremely customer focused individual with strong network and security skills. He has experience across a wide range of customer domains and environments, and loves to take younger staff under his wing to provide advice and guidance. David is across the entire converged network stack, from the datacentre to security appliances – he knows it all!

David’s skill set includes:

WAN/MPLS
 Configuration and management of Cisco routing platforms including 4K/3K/2K/1K and 800 series routers
 Expert troubleshooting skills in QoS for voice and data applications on LAN and MPLS WAN environments to ensure appropriate levels of application performance across the network end-to-end.
 Wide range of experience in WAN and MAN technologies such as Frame Relay, BDSL, MBE, carrier Ethernet and Dark Fibre.
 Deployment and management of Riverbed WAN accelerators to provide better application performance and reduced WAN utilisation.
 Configuration and troubleshooting of routing protocols such as BGP and OSPF for single link and multiple link load balanced / failover environments.

LAN
 Configuration and management of Cisco switching platforms including 6500E with VSS, 4500E, Nexus 5K and 2K, 3850/3750X and 2960 series.
 Designed and implementation of Nexus 5548UP and 2232TM switches within a customer datacentre to support all new VMWare hosts. This included redesign of the datacenter network to implement Cisco 6500E series VSS datacenter switches as core switches for high performance and availability
 Completed implementation of 802.1x and MAB switchport security across multiple customer environments

Firewall / VPN
 Implement and maintain firewall systems which include Checkpoint, IOS firewall and ASA for connectivity to internet and third party networks.
 Implementation of hardware and testing of Cisco Anyconnect VPN client connectivity and configuration of multiple VPN types including DMVPN, point to point GRE over IPSec and classic crypto map VPN.
 Developed and deployed new quick deployment kits utilizing 4G internet and Cisco VPN routers inside a purpose built rugged rolling rack that can be used to provide fast deployment of network access for new and temporary sites in any location.

In David’s vast experience, spanning decades in IT and networks, he has taken sole responsiblity of deploying multiple customer network monitoring systems such as Solarwinds NPM, NCM, IPAM, VNQM and NetQoS and inventory systems.