Fixing computers, installing and adjusting operating systems (MS Windows 7, 8 - 8.1 and 10, Linux- Rad Hat, Ubuntu). Also installing servers (based on the MS Windows Server 2003, 2008 R2 and 2012 and the Linux platforms), install, connect and configure peripheral equipment. Specialize in installing WiFi and wired networks, as well as PBX equipment. Working with clients from the SOHO segment and individual clients. I have excellent references from thankful clients.

Installing and upgrading ATMs for many banks, installing and upgrading POS terminals, Self-check terminals, Computers, Servers, Network Equipment for retail companies (Starbucks, Walmart, Target etc).

Installed and Upgraded ATMs (Automated Teller Machines) for many banks and credit unions such as US Bank NA, Key Bank NA, Bellco Credit Union, Credit Union of Colorado, Security Service Federal CU, Sooper CU, Westerra CU, Elevations CU, Porter Federal CU, Centennial Bank, Vectra Bank NA, Academy Bank (Armed Forces Bank NA) and others in Colorado and Wyoming – totally around 250 ATMs. Computer and mechanical upgrading, software upgrading from Windows XP to Windows 7. Also performed installing and maintaining for networking stuff (routers, switches, FO and xDSL modems), carried out the security settings and protocols; performed installing Video Surveillance and Automated Security stuff.

Maintaining a distributed campus fiber-optic network, over 500 work stations, several physical servers MS Windows 2003 Server and MS Windows 2008 R2 Server, аs well as some VMware ESXi 4.0 servers with virtual servers 2003 and 2008 R2, Rad Hat Linux Server and Ubuntu Linux servers, Gateways, Win and Linux DNS, Load Balancer. Implementing and administering a network management strategy and applications with using of the Solarwinds Orion network monitoring platformMajor responsibilities:Ensure maximum productivity and accessibility of the local office network, servers, telecommunication, switch, and network printing equipment; Manage equipment, network topology, network users (user records and work directories creation and maintenance, installation and tune-up of system and applied software servers, controlling disc space, etc.); Monitor condition and performance of servers, network equipment, troubleshooting;Ensure network safety, tracking and preventing attacks, harmful actions of users, fighting viruses;Internet function control, traffic optimization, DNS and Load Balancer configuration;data back-up.Management Consolidation, Server Consolidation, and Storage Consolidation.Monitor and respond to all data center environmental problemsIntegrate and Tested Cisco MDS 9500 Series SAN Switching Architectures, within overall Data Center Design Recommendation.Cisco & Juniper router and switch management and configuration

Management of system organization, network projects. Managing the department, supervising all work aspects, such as design and development of smart building systems, light-current systems for campuses and industrial areas. Included structured cabling systems, local data transmission systems, fiber-optic lines of data transmission, telephony systems, security systems (access control, video surveillance, etc.), as well as UPS systems in buildings and data processing centers, servers and telecommunication rooms. In addition, personally performed design and estimates of most interesting and challenging projects. Supervising design engineers, field supervision, global management of contractors and their teams, revising project documentation, coordinating project and as-built documentation with inspection organs and suppliers. Performed multiple engineering system projects for companies of different size, both public and private. Using the following protocols/technologies: BGP, EIGRP, OSPF, Route manipulation (Redistribution, Summarization, Route filtering and Policy Routing), VPN (client and site-to-site), Ethernet Switching: (CatOS, IOS, JunOS switch configurations, VLANs/Trunking, Spanning Tree, HSRP/VRRP)Deployment and maintenance of enterprise network routing architectures using protocols such as OSPF, BGP, EIGRP, and RIP.Successful moved office servers, phone system, PCs, and networking components to new office location.Supported and maintained a data center with 55 servers.Traffic filtering, Access lists, Radius, Tacacs+, IOS VPN, IPSec, Pix/ASA firewalls, CheckPoint firewalls, IDS, VPN Concentrators, DNS, Load Balancer, VMware ESXi, Windows Hyper-V.Used Load Balancers CSM and load balancing techniques for optimum efficiency of Cisco 6500 switches and 7600 routers.

Provided service to over 700 computers, servers Windows 2000 AS and Windows 4.0, communication/mail servers with Free BSD 4.5 and Rad Hat Linux, office private branch exchange and others. Major responsibilities:Ensure maximum productivity and accessibility of the local office network, servers, telecommunication, switch, and network printing equipment; Manage equipment, network topology, network users (user records and work directories creation and maintenance, installation and tune-up of system and applied software servers, controlling disc space, etc.); Monitor condition and performance of servers, network equipment, troubleshooting; Ensure network safety, tracking and preventing attacks, harmful actions of users, fighting viruses; Internet function control, traffic optimization, DNS and Load Balancer configuration; Data back-up.Management Consolidation, Server Consolidation, and Storage Consolidation. Implementing and administering a network management strategy and applications with using of the Solarwinds Orion network monitoring platform.Analyze/Resolve problems related to Exchange mail accounts.In addition, performed a private branch exchange programming, worked with users, purchased office and computer equipment, and supervised IT departments in branches and at factories. In 2000 designed structured cabling systems (SCS) and computer networks for the main office and implemented several SCSs for industrial and office buildings. And implementation of the network management software.

Big-scale projects department, SCS specialist. Performed several line-operated projects of various complexity and size for public and corporate clients, as well as own objects (offices, warehouses, and others). Installed SCS in telephone, computer, power networks, alarm systems and fire alarm systems.

Joint Russian-US branch of Gaming Management Ltd, affiliate of Online Entertainment Systems Inc. and Electronic Data Systems, USA, Rostov-on-Don, Russia, System Administrator for computer system of some IBM RS/6000 Servers, many X-Terminals (IBM), Sun Sparc Station 4, Silicon Graphics Indy Workstations, 200 РСs, 100 remote terminals (AWI) and other unique telecommunication equipment developed by Gaming Management Ltd. and AWI, as well as serial telecommunication equipment of other vendors (Cisco Systems, AT). In addition, performed technical support and maintenance of this equipment.