System administrator

IT Infrastructure availability 24x7. Load ~ 15 000 requests per minute. List of IT Infrastructure Responsibilities and Duties: Software support: Kubernetes HAProxy Keepalived Elastic Search Infrastructure support: HP Proliant G5 - G9 servers Cisco, Cisco ASA HP ProCurve Hdd storages , SuperMicro chassis ZFS Vmware ESXI 5.5, 6 Vmware Horizon Windows Server Microsoft NLB PKI Backup: Veeam B&R Symantec Netbackup Monitoring support: Zabbix

UBUNTU Responsibilities: - Infrastructure maintenance

IT Infrastructure availability 24x7. Load ~ 15 000 requests per minute. List of IT Infrastructure Responsibilities and Duties: Applications support: HAProxy Keepalived Elastic Search (CentOS)) Infrastructure support: HP Proliant G5 - G9 servers Cisco HP ProCurve Hdd storages , SuperMicro chassis ZFS Vmware ESXI 5.5, 6 Vmware Horizon Windows Server Microsoft NLB PKI Backup: Veeam B&R Symantec Netbackup Monitoring support: Zabbix

Geographically distributed network in more than 70 towns, more than 1 500 users, industrial production CISCO, WINDOWS 2012, FAILOVER CLUSTER, EMC VNX, VMWARE ESXI VSPHERE, LINUX RHEL, NETBACKUP, WINDOWS RDS, HP PROLIANT SERVERS, AD, DFS, ROAMING PROFILES, OFFLINE FILES,OPEN VPN, ENGLISH Communicate in English with bussiness partners, colleagues etc. Certified Microsoft Windows System Administrator Head of subdepartment (3 employees in hand) Key responsibilities: windows 2012 domain (group policies, dfs, rds, file cluster) storage systems EMC, HP virtualization servers VMWARE VSPHERE, linux servers RHEL, backup system Netbackup Symantec, monitoring system Zabbix web hosting in UK have working experience with HP Proliant Servers, EMC equipment key accomplished tasks: * moving DFS resources to a file cluster, * implementation roaming profiles in a domain * deployment from scratch Remote Desktop Service based on Windows server 2012 and implementation Remote Apps * update VMWARE ESXI to version 5.5 * boosting ORACLE performance, solving "Deny-Of-Service task" in a peak load (LINUX RHEL analysys, hardware components HP Proliant servers analysys, storage system EMC components analisys)

The head office and three clinics include 40 workstations and 20 servers. NAS, VMWARE, VSPHERE, CISCO, AD, WINDOWS 2003, VPN, SYMANTEC BACKUP EXEC, HP PROLIANT SERVERS, RAID, VMWARE ESX, DAMEWARE NT UTILITIES, WIRELESS TECH Geographically distributed network, CISCO 800 Series (VPN, maintenance, routing) Windows 2003 domain maintenance, removing "dead" domain controllers from AD, resolving replication errors Symantec backup exec for windows servers - backup function 1C(update, backup) HP Proliant Servers (maintenance, troubleshooting, Ilo, hp system tools , hp management agents, hp array diagnostic utility,hp smart array RAID levels 0+1, 5) dental software deployment and maintenance Vmware ESX,GSX servers – deployment, maintenance, backup Dameware NT Utilities – remote workstation administration Wireless technologies Deployment and maintaining Share Point Services Customized Administrative templates Corporate telephone infrastructure deployment, maintenance (VoIP included, PBX)

The central office and two remote branches included 70 workstations and 9 servers LINUX, NOVELL, WINDOWS 98-VISTA, WINDOWS SERVER 2000-2003, FREEBSD, APACHE, FTP, SENDMAIL, FIREWALL, PROXY Windows terminal server, Citrix terminal server, fax server with function of computer secretary, experienced in VoIP technologies, corporate site support, experienced in transferring windows with all settings from one hardware to another without reinstallation with minimal time delay, backup. maintenace office equipment Successfully accomplished migration Windows workstations and servers to Linux software in the office. (Some details - Almost all workstations were transfered to Linux OS [zdebian and Fedora]), software update from scripts. Sendmail mail server +clamav+greylisting, squid proxy, vsftpd ftp, bind9 dns cache server, Windows 2000 and 2003 1C servers, AddPack VoIP hardware, iptables firewall, deployment and maintenance Novell Netware servers, maintenance Citrix terminal server, ntbackup backup