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Kerio to Exchange migration
Domain Controller Slow DNS - DcDiag Errors
“Very fast and knowledgeable systems admin. He sure knows his stuff and has great communication skills. Looking forward to working with more.”cdmediasl hace 11 meses
Fix alarm e-mail from camera
“This freelancer knows his Network. We managed to get a better understanding of our problem and we can keep working on this. The freelancer really helped and can be recommended.”hanske hace un año
Configure Active Directory replication across VPN on Windows Server 2012 R2 Hyper-V.
“Great job in time! Highly recommended!”PhilippBrisuela hace un año
Senior system administratorJun 2008
Managing the IT department in accordance with objectives of the Group of companies. Planning, organizing, motivating, and controlling resources to achieve specific goals. Developed regulations, procedures, checklists, forms; oversaw the process of technical documentation. Made improvements to the IT system's reliability and availability: virtualization, services duplication, network monitoring and alerting software, backup plans development and conducting practice tests.
Senior system administratorMay 2006 - Jan 2008 (1 year)
Analyzed, designed and modernized computer infrastructure and wireless telephony. Migrated the company from Kerio MailServer to Microsoft Exchange Server. Took measures to ensure information security by implementing access rights to internal/external services and resources, workstations' peripheral, telephony rate zones and the premises; domain security policies; encryption; video surveillance; a vehicle tracking system.
Senior system administratorMay 2003 - Aug 2005 (2 years)
Administration of servers and VPN-spanned domain tree. Rebuilt IT infrastructure "from scratch" (telecommunications cabinet, rack-mount servers, cabling infrastructure). Total cost of ownership (TCO) reduction: automating deployment of OS and required set of applications, standardization of hardware and software to eliminate highly-mixed operating environment, virtualization, workstations' interchangeability (roaming profiles, folders' redirection, UNC naming, ...), consolidation.
Programmer (C++, Assembler)Sep 1993 - May 1997 (3 years)
Designed and developed software suite for Mars-rover-model driving (graphical human interface for plotting a move - trajectory calculation - vehicle's command sequencing - serial port driver - wireless modem for transmission).
Computer networks2001 - 2002 (1 year)
System administration1998 - 1999 (1 year)
Master’s degree with distinction in Engineering1991 - 1997 (6 years)
Microsoft 070-58 “Networking Essentials” (1999)Prometric Testing Center
Planning, Implementation, Troubleshooting.
Upper-Intermediate English (2006)Language Link
Schools of English
US English Level 190%
Ethernet Admin 183%
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