System Administratorfrom 07.2016 to 09.2020«Bauer International», Kharkov (Call Center)Duties:– maintenance of a PC park (approx. 200 units) and office equipment– configuring and monitoring IP telephony Asterisk FreePBX– configuring routers MikroTik and VoIP-GSM-gateways OpenVox, GoIP, Dinstar– user support, incl. remote branches in Dnipro and Kiev– budgeting, purchase of equipment, installation of new jobs, repair and maintenance of a fleet of equipment

Duties:- server and network administration, data backup / restore- budget planning, purchase of equipment, installation and configuration of office equipment- installation and configuration of accounting software (BestZvit, Liga, MeDoc 1C 7.7 / 8.3)- configuring Lan equipment (Ubiquiti Unifi access points, D-Link and MikroTik routers)- provision of secure data transmission channels between branches- control over the security of the information system- laying of communications, assembly, adjustment, repair of computers and office equipment- ensuring uninterrupted operation of IP telephonyAchievements:– installation of the office local network (2 buildings of 5 floors, 47 departments + wireless seamless network based on Ubiquiti UniFi)– purchased a rack, servers, network equipment, power supply system, installed and launched– as base-host-OS chosen VMWare ESXi with VCenter in HA– for backups virtual hosts using Veeam Backup & Replication– raised the functional level of a domain from 2008 to 2016– as base-virtual-server-OS chosen Windows Server 2016. The following services are deployed: 3 DC hosts, DB host, RDS, file and Backup servers– launched IP-telephony based on Asterisk FreePBX, purchased and configured GSM gateways NeoGate and Openvox– Hikvision video surveillance system was installed– installed and launched access control and working time tracking system Anviz