I started work in 1992, I have a lot of experience in building global networks for companies Lukoil, Gazprom, Surgutneftegaz. Now I'm designing the Data Centers. Technical Skills and Experience(7 years - Design, Installation, Configuration and troubleshooting): OPERATION SYSTEM: GNU\Linux(18 years) RHEL(Clone),Debian(Clone),BSD(Clone) ,HP-UX , IBM-AIX , Solaris ,MS Windows; VIRTUALIZATION:Vmware(11 years),Red Hat(11 years),Parallels(5 years),Huawei FusionSphere(2 years),Proxmox(5 years); Storage Technologies(10 years): SCSI, Fibre Channel, SAN,SAS RAID, I/O Storage Sub-Systems and High Availability, Data de-duplication, Storage Virtualization, Easy Tier Technologies; BACKUP and RESTORE: NetBackup/all versions/( 5 years), Commvault(4 years), Tivoli Storage Manager (1 year), HPE Data Protector(5 years), Acronis Backup(2 years); DATA BASE:Oracle(Begin). Networking technologies(14 years): Ethernet, Layer 2/Layer 3, MPLS, SDN, OpenFlow, LAN Switching(VLAN,VxLAN), Voice technologies, IP Telephony, Virtualization, Restful , Netconf, SAN, DCN, Optical, PDH/SDH, Microwave, SNMP etc.; IP Routing protocols: IGRP, OSPF, EIGRP, BGP; SAN technologies(5 years): FC, FCoE, FCIP; Multi-service Platform(11 years): NEC (V-Node, U-Node, C-Node), Huawei(OSN); Microwave Networks(11 years): NEC(PASOLINK, DMR5000S), Ericsson(MINI-LINK TN, CN, LH), Huawei(RTN9XX); MONITORING(18 years): SNMPv1/v2/v3, HPE OPENVIEW/all versions/, IBM TIVOLI, OpenNMS, NAGIOS, ZABBIX, Mikrotik DUDE;