Sergej Zyrianov's Resume

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  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.
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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), 19961999 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. (
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


  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]


  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

  Servers 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

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