Djordje C.

My name is Djordje(George) Colic. I live in Serbia. I am windows and linux server system administrator. I have MCSA certificate. For 8 years I was working as system administrator for Mcs systems from San Diego and Miami Lakes IT . This is remote job. I heave experience in using ConnectWise and Ninja RMM as remote management tools. I am logging in to remote networks via ConnectWise or VPN- L2TP/IPsec or OpenVPN and then I use RDP to login to server or any workstation. I am giving support to customers via phone, ConnectWise , RDP or TeamViewer. This support includes their servers, workstations, printers , support with their dedicated applications , office 365. I am giving suport to VOIP customers. They have AT&T Synpase or SkyTalk phone system. Synapse Gateways are PSTN 67010 or SIP 67070. Routers: I was working with SonicWall , Peplink , Mikrotik routers . I am in charge for the maintenance of customer’s and office servers and workstations . For automation tasks I am using batch and powershell scripts. Server OS: Windows Server 2016 or 2012. Workstations: windows 10 or 7. Linux server OS: Red Hat . I am logging in to linux servers via SSH to do every day management tasks. Virtualization: VMWare , HyperV. Cloud: I have experience working in AWS . Every network is Domain network with Domain Controller. For file server we are using Synology NAS where important documents are kept on network share. I am also using NAS as VPN server to access remote network. I have knowledge of Java programming and power shell. As DevOPS engineer , I was working for Avi . Our client had Ping Directory , Ping Proxy servers . There were different environments. Server OS: Red Hat Enterprise Linux Server release 7.9 . I was logging into client network via SSH. I have experience in managing linux servers.