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C.V
Darragh O Brien
About Me
I am an experienced System Administrator with skills in Windows, Linux, networking and more
Experience
System Administrator - Wix
Supported Windows / MacOS clients
Administered network equipment (Palo Alto, HP Aruba, Cato, Meraki)
Resolved tickets following SLA through ticketing system (Jira)
Support Specialist - Nucleus Networks
Supported over 50 Windows / OSX based clients
Resolved tickets following SLA through ticketing system (Connectwise)
Managed Windows Server 2003, 2008, 2012, 2016
Administered networking equipment (Cisco Meraki, Sonicwall)
Managed phone systems (Voxter, Cisco)
Documented clients IT networks / systems (ITGlue)
Managed virtual machines and hosts (Hyper-V, VMware)
Monitored network health (LabTech)
Systems Administrator - OpenJaw Technologies
Installed and supported hardware and software
Supported a number of operating systems (Windows, Linux, OSX)
Resolved tickets raised by users (Spiceworks)
Maintained printers, scanners and copiers
Created and managed virtual machines (Citrix Xenserver)
Maintained PBX (Asterisk)
Managed document control system (Microsoft Sharepoint)
Managed and archived email accounts (Google Apps)
Produced IT documentation
Administered Windows domain and active directory (Windows 2003 / 2012)
Maintained and upgraded firewall (Sophos UTM)
Implemented and maintained disaster recovery environment (AWS)
Monitored network and important systems (Zabbix, Nagios, Cacti)
Managed WiFi system (Cisco, Unifi)
Managed backup systems (KeepItSafe)
Analyzed and solved network problems
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