Network and Security, Data Center Specialist

12/2012 – 12/2020

Managed all operating systems and end-user software | Managed end-user accounts, permissions, access rights, and storage allocations in accordance with best-practices regarding privacy, security, and regulatory compliance | Recommended, scheduled, and performed software and hardware upgrades, patches, reconfigurations as necessary | Anticipated, mitigated, identified, troubleshoot, and resolved hardware and software problems on servers, switches, routers and firewalls | Developed, documented, and maintained policies, procedures and associated training plans for core services | Monitors performance of equipment and installations and co-provides input on power usage
and capacity planning. Provides data for input into reports, such as electric meter data | Ensured the integrity and security of enterprise data | Performed network and security audits | Performed and
tested routine system backups and restores | Maintained documentation of technical specifications of network, non-network and server infrastructure (i.e. asset register, maps and network drawings) | Liaised with hardware and software suppliers | Supervised work of third party contractors | Ensured occupational health & safety requirements| Managed the Data Centre shift schedule | Provided other support such deputizing for the Data Centre Manager as and when required.

Building automation and control networks (BACnet), Call-Center, Computational science & engineering (CSE), Cyber Security, Datenschutz, Iaas, Security Operations Center (SOC), Telnet (Telecommunication Network), VLAN (Virtual Local Area Network), VPN, WLAN (Wireless Local Area Network)

12/2010 – 12/2012

| Supported and maintained LAN and WAN, third party software as well as GCNet’s deployed
applications | Identified fault in operation of deployed infrastructure like Cisco routers and
switches, workstations, printers, scanners, photocopiers, fax machines etc. and fix them | Ability to
implement and manage VOIP systems | Ensured the smooth running of the server environment |
Performed backups | Monitored the performance of the network resources and other
infrastructure, interrogated daily logs for errors |Troubleshooted errors and faults according to
service level agreement (SLA) | Recorded daily incidents in ServiceDesk Plus | Developed and
maintained an asset register of all network resources and other infrastructure and reported on
their status daily | Ensured Kaspersky antivirus was updated daily on all workstations |

Iaas, System Analyse, Systems Engineering, Distributed Computing, Back up / Recovery, Gerätetreiber, Hosting, Iscsi, Konfiguration, Router / Gateways, SAN / NAS, Scripting, Storage, Cisco Router, Cisco Switch, DNS, Infrastrukturarchitektur, VLAN (Virtual Local Area Network), VPN, WLAN (Wireless Local Area Network), LIN-Bus (local interconnect network)

12/2009 – 12/2010

| Managed, supported and deployed WAN network connectivity for major banks and many state
institutions across Ghana | Used diversified tools to monitor performance and capability of WAN
infrastructure and computer systems | Configured, installed, commissioned and maintained GILAT VSAT
modems, CCTV systems, RF radios, VoIP systems and Audio Codes | Tracked and documented all defects
and resolutions in detail through a designated ticketing system | Diagnosed server or network alerts,
events or issues using the understanding of common information architecture frameworks | Worked to
triage issues on RF radio and VSAT links within clients’ defined areas | Handled concurrent tasks

VLAN (Virtual Local Area Network), VoIP, VPN, WAN, Hyper-V, KVM (Kernel-based Virtual Machine), Software Virtualisierung, Virtualisierung (Allg.), Vmware, Aufbau User-Help-Desks, Computernetzwerke, Schreiben von Dokumentation, IT-Systemmanagement, Microsoft Office 365, Data Centers, Projekt-Dokumentation, Dokumentenmanagement