Sergej Zyrianov's Resume

Objectives

Experienced in System Administration, Computer Networking with Windows 9X, Me, Windows NT 4.0/2000/XP/W7/W10/W11/W365. Solid background in Software / Hardware and peripheral support, most Windows based applications. Database Administration, Strategic Management of Information Technology, Azure and Office365 cloud soliutions, Software Design and Development, Project Management, VB.NET, C++/#, ASP.NET, JS and SQL programming. See my full profile on

Employment History

	IT Department Lead, Western Services Corp. (USA), 2001 March - current. • Development of applications in a VB, JS, C++/#, .NET, ASP.NET, TerraForm, SQL 2000/2005/2008/2012/2014/2018 environment. • Administrating Linux, MS Windows (Servers 2000/2003/2008/2012/2016/2019/2022) based network in a multi-domain forest, Azure/AWS clouds, on-premises and hybrid environment. Migrating on premises IT infrastructure into AWS/Azure/Office365 clouds. • Configuring and managing CISCO (2500,2600,2800, ASA-5508X series), Linksys, Netgear routers with VPN. • Management and support for Altigen Max2000 VOIP/MS Teams cloud phone system. • Providing support for hardware and software faults and planned upgrades. • Management and administrating corporate E-mail system based on MS Exchange server 2003/2007/2010/2013/2016/Office365 • Installation, configuration and management MS Proxy/ISA, SharePoint servers, MS DNS, DHCP, WINS servers, MS-SQL 2000/2005/2008/2012/2014/2018 servers, Hyper-V VM (Virtual Machine) Hosts, AWS, Azure VMs/Containers, Dockers, Kubernetes.
	Technical director. Energetikos tiekimo baze Ltd. (Lithuania), 1999 February – 2001 Feb. • Managing the technical and IT departments. • Administered a Windows NT 4.0/2000 network in a multi-domain environment. • Configured and managed CISCO routers (1700 series) with Voice IP. • VPN via Internet between Headquarters’ office and Branches in other country. • Involved and administered new Internet domain zones, registered new domain names and hosts with InterNIC. • Installed, configured and administered IIS 4.0 servers, MS-DNS, DHCP, WINS servers, MS Exchange server 5.5, MS-SQL 6.5 servers. • Installed, configured and managed ISDN PBX systems EuroGenius Lucent Technologies, KX-TD1232 Panasonic. • Installed, configured and managed an access-control security system SecurID from Security Dynamic Inc. • Provided technical support to a large client base of Internet service users. • Installed several new systems and networks. Ordered hardware for new and existing systems / networks. Negotiated with suppliers to reduce the cost of parts.
	Senior Systems Engineer / Head of Internet team Ignalina Nuclear Power Plant (Lithuania), 1996–1999 Feb. • Led a technical team in system and network administration at a very large nuclear power plant. Also, administered various technical projects. • Administered a Windows NT 3.51 / 4.0 network in a multi-domain environment (more 4000 users). • Installed, supported Clusters of HP/Compaq Proliant 6000 servers with Fiber Channel Array, desktops, portable PCs • Configured and managed CISCO routers (2500,1600). • Configured and managed NEC satellite communications NEXTAR VSAT family system • Provided professional advice and guidance to other Systems Administrators of the Nuclear Power Plant. • Provided support for hardware and software faults and planned upgrades. • Supported various software applications to enable new users to undertake diverse functions on the system. • Operated and administered corporate E-mail system based on MS Exchange server 5.5 (over 2750 mailboxes) • Created corporate Internet/Intranet Web servers based on IIS 4.0. and supported various client-server Web applications. (www.iae.lt) • Installed, configured and administered MS Proxy servers 2.0, MS DNS, DHCP, WINS servers, MS-SQL 6.5 servers.
	Development of Economic Tasks by a PC / Principal programmer, Ignalina Nuclear Power Plant (Lithuania),1992 -1996 • Led a programmers team • Developed and administered dBase, FoxPro databases. • Developed applications in a Turbo Pascal environment.
	Systems Engineer, Database Administrator Ignalina Nuclear Power Plant (Lithuania)1989 – 1992. • Relocated IT equipment and migrated data to new IBM PC systems, without down time. • Installed and configured database ADABAS and developed applications in a Natural environment. • Diagnosed and responded to users and network problems on OS VM/SP 5.0. • Provided technical support for IBM 370 compatible mainframe users. • Ensured system and database backups were performed and maintained according to defined procedures. • Maintained system logs and operational histories for systems and their associated peripheral equipment.
	Computer programmer Ignalina Nuclear Power Plant (USSR), 1987 – 1989. • Design and development driver for peripheral equipment PDP-11 DEC on Assembler for “Automatic control system Turbina –750”

Education

	Microsoft Certified Systems Engineer + Internet Certificate (MCSE+I) December 2000 Authorized Technical Education Center (AMC), Vilnius [Lithuania]
	Microsoft Certified Systems Engineer Certificate (MCSE) October 2000 Authorized Technical Education Center (AMC), Vilnius [Lithuania]
	Microsoft Certified Professional Certificate (MCP) June 2000 Authorized Technical Education Center (AMC), Vilnius [Lithuania]
	Development and Programming of Economic Tasks by a PC (Turbo Pascal Programming Certificate) June 1989 Leningrad Institute of Management Techniques and Methods (LIMTU), St.Peterburg [Russia]
	Radio Engineer Diploma June 1985 Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk [Russia]

Skills

	Networking: Windows NT 4.0/2000/2003/2008, Novell, WAN, TCP/IP.
	Programming: Assembler, Visual Basic.NET, C++, Fortran, PL/I, Natural, dBase, MS Access 1997/2003/2007, FoxPro, DHTML, ASP.NET, VB Script, ADO, T-SQL.
	Database: ADABAS, dBase, FoxPro, Microsoft Access, MS-SQL server 2000/2005, ODBC, ADO.
	Hardware: IBM Compatible PC, Dell PowerEdge Servers, HP/Compaq Proliant servers, Fiber Channel cluster, CISCO Routers 2500, 1600, 1700 series with Voice IP, HP, 3Com switches & hubs. NEC satellite communications NEXTAR VSAT family system. Cisco Aironet, Linksys wireless LAN.
	Operating Systems: MS-DOS 6.22., Windows NT 4.0/2000/2003/2008 Server/Workstation, Windows 9X, Me, XP, Vista, Windows7, Linux, Novell, OS/370, VM/SP 5.0
	Server’s Applications: MS BackOffice, IIS-5.0,6.0,7.0, MS-DNS, DHCP, WINS server, MS Exchange server 5.5/2000/2003/2007/2010, MS Proxy 2.0/ISA 2004/2006, MS-SQL server 2000/2005, Radius Tacacs server, CISCO access server. Altavista Tunnel server, Symantec/Veritas.
	Accessories & Applications: MS Office XP/2003/2007/2010, Symantec Norton Antivirus/SystemWorks, Disk Utilities, Terminal Services, FrontPage 2000, Visual InterDev, Microsoft Internet Explorer 4.X, 5.0., 6.0, 7.0, 8.0 Flash Macromedia 5.0/7.0

Personal Interest

Amateur Radio (HAM), Music,Tennis