Costas Hasapis Email & Phone Number

Sydney, New South Wales, Australia

Sydney, Australia

Manage and maintain network comprising of 350+ devices and in excess of 1400 usersLead a team of 3 Helpdesk staff, training and guidance of 2 internsMonitor Helpdesk requests via phone, email and in-personInstall, configure and customise Windows Desktop OS to Lab requirements on Microsoft Windows 9x/2K/XP/Vista/7/8/10Desktop management and monitoring on Microsoft SCCMWindows image creation, capture and deployment on Microsoft SCCM & Norton GhostSoftware package deployment using Microsoft SCCMOffice365 Exchange administrationBuild, upgrade and configure Domain Controllers and member servers on Microsoft Windows Server 2003/2008/2012/2016Maintain users, groups and computers in Active DirectoryConfigure and maintain server roles: DHCP, DNS, AD, DFS, VPN, File and Print Services, Storage Services, Terminal Services, Remote Desktop Services, Volume Activation, WSUSManagement of advanced AD Group Policy structureInstall and maintain Virtual Servers on Hyper-V Server 2012/2016 and VMWare ESXiApplying NTFS folder security on highly sensitive assignment submission and results foldersManage shared resources - printers/directory shares, user rights and permissionsCreation of courses and shells, user rights assignment on Moodle learning management systemAdvanced troubleshooting of all hardware including desktops, servers and networking devicesNetwork design and implementation of infrastructure including Cisco routers, switches, wireless AP controllers and firewallsIP addressing and subnetting designTroubleshoot dynamic routing protocols such as EIGRP, OSPF, and BGP.Maintain VLAN’s, STP, NAT, ACL’s, Port security, Routing tablesInvestigate and resolve connectivity issues across LAN/WANOngoing documentation of existing, changed and new proceduresGeneral user assistance and One on One User trainingAssuming Managerial duties during Managers absence

Sydney, Australia

Tutoring 2 classes; each containing 50 studentsTopics include:Hardware assembly, configuring and troubleshooting, Setting up Domains & Clients, Active Directory, DHCP, DNS, Network Hardware, Operating Systems, Cabling, Resource Sharing and Group Policy

Sydney, Australia

Offering On-Site support to small business and domestic usersCustom building desktop computers and serversHardware and Software upgrades, troubleshooting and repairsAnalysing customer needs and requirements and offering tailor made solutionsPhone enquiries and email support

Sydney, Australia

Custom building desktop computers and serversHardware and Software upgrades, troubleshooting and repairsCatering for customer requirements and providing solutionsCustomer queries including phone and email supportUnsupervised managerial duties and shop duties when required

Diploma Systems Administrator, Information Technology

Cert Ii Information Technology, Information Technology