IT consultancy specialising in network transformation. Recent projects include:- Network transformation & security refresh project. Configuration of Palo Alto firewalls, Cisco C9200 & C9300 switches, Aruba access points, multiple sites across Europe. Reading, UK. July 2022 - December 2024.- Network migration project. Configuration of Sophos XGS 4300 firewalls, Extreme Networks 5420F and X465 switches, Cradlepoint iBR1700 mobile routers. Troubleshooting Cisco Firepower and Sophos UTM, Extreme Networks VSP 4900 switches. Exeter, UK. Oct 2021 - June 2022.- Cybersecurity, disaster recovery and network security guidance, best practices. Remote. March-May 2022.- Network migration project. Installation, configuration and commissioning of Cisco C9200 switches in end-client’s own data centres. 4 sites in Germany, Denmark, Italy. Sep 2021.- Network security assessment. Middle East. Oct-Nov 2021. • Network transformation project in primary and secondary schools, replacing Cisco / Aerohive estate with 700+ Aruba CX 6300M switches, 2500+ Aruba Instant AP-535 & AP-575 802.11ax Wi-Fi 6 access points, Ubiquiti Unifi Wi-Fi 6 point-to-point radio links, leveraging Aruba AirWave, NetEdit, ClearPass. Site surveys, configuration, installation, trouble-shooting, liaison with Aruba Support (incl identifying suspected bugs in ArubaOS-CX and providing relevant packet trace data), firmware upgrades. Lead configuration engineer on 50 sites. South Wales, UK. Jan 2020-May 2021.• Cloud VPN implementation project: configuration and testing of Algo VPN server VM, Ubuntu Server 20.04 VM on DigitalOcean and Microsoft Azure platforms. July 2020.• Systems management: Citrix XenServer 7.6 VM pool, Windows 2012, CentOS 7, Unitrends, WSUS, AD, DNS. Aug 2019-Apr 2020.• Network transformation project: site surveys, installation of new Mikrotik CCR1016 routers, re-configuration of existing Extreme Networks Summit X250e switches at managed office space provider. 4 sites across UK. Sep-Nov 2019.

• Successfully implemented further upgrades to state-of-the-art IT offering and infrastructure, including 802.11ac Wi-Fi, Gigabit Internet access and 10GbE network backbone.• Hands-on & sole responsibility for systems management, troubleshooting of small Windows environment, Hyper-V hosts, AD, DNS, DHCP, Exchange.• Hands-on & sole responsibility for network configuration and troubleshooting of mid-size Cisconetwork offering 650 switch ports, implementing 2 Cisco 6880-X switches as a collapsed-core with VSS, 15 Cisco 3560-X access-layer switches, paired Cisco ASA active/standby firewalls, Cisco WAP371 controllerless WiFi 5 access points. Multi-tenant environment, 350 users.• LAN, VLAN, SSL & IPsec VPN configuration, firewall rules, SIP.• Hands-on & sole responsibility for systems management of Cisco CUCM 8.5, CUC voicemail, Arcoperator consoles, Tiger call accounting, Cisco 2911 SIP gateway, VMware.• Installation of Raritan PX3 iPDUs, PowerIQ DCIM VM, VMware host, KVM switches.Senior management role including company strategy development, financial management, HR, sales and client retention, all IT functions.Core business sold April 2019. Provided services to the new operator May-July 2019:• Business consultancy, operations handover, IT consultancy, project management, systemsmanagement, network and firewall configuration.• Internet access migration, of 20 on-site tenants, new global IPv4 addresses.• IPSec VPN configuration, Cisco ASA-to-AWS, Cisco ASA-to-Azure.• Firewall rules migration from Cisco ASA to Mikrotik CCR1016 routers.• VLAN migration from Cisco IOS to Mikrotik.

Ÿ Hands-on & sole responsibility for network & firewall configuration, Windows systemsmanagement, Cisco CallManager, Cisco 6509 with HSRP, 4006, 3524, paired Cisco PIXactive/standby firewalls.Ÿ Successfully opened a new serviced office building in Reading in 2001.Ÿ Lead staff member involved in selection and implementation as 1st serviced office operatorworldwide of Cisco’s CallManager.Ÿ Successfully introduced and implemented upgrades to a range of IT services:Internet access; building-wide network infrastructure; WiFi; CoLo hosting; UPS power systems; video-conferencing; on-site IT support.

Area sales in German market.

Area sales in Southern Germany.

Area sales in Germany, France, Belgium.

Area sales in Germany and Switzerland.

Consultancy and business analysis of order processing and invoicing systems.