Ratko Parenta

Experience

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  Radio Dalmacija

  Aug 1995 - Mar 1999

  System administrator, Sound Engeeneer, Web developer
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  Virtualis d.o.o.

  Mar 1999 - Apr 2003

  Co-Founder

  Web design, Multimedia, Software, Hardware

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  Croatian Motorways

  Jul 2003 - now

  Senior Network Systems Administrator

  - Updating and monitoring user accounts - Maintenance, management of the Critical Windows based Server Environment - Designing, implementing and managing Active Directory - Creating and administrating Microsoft Exchange email accounts - Maintaining up to date Antivirus levels on all machines - Management of the daily data backup and retrieval scheme - Supporting a multi site IT infrastructure of at least 1200 employees - Responsible for networking, design, installation and maintenance services - Maintain the companies network infrastructure - Configuration and testing of any new hardware and software - TCP/IP networking and hardware maintenance and repair - Firewall administration - Administration VOIP - Installing and operating Windows desktop and server operating systems - Applying patches in accordance with company procedures - Liaising & meeting with external suppliers of IT services - Monitoring the progress of third party maintenance contract suppliers - Hyper-V Virtualization - Training employees Show less

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  Algebra

  Jul 2005 - now

  IT Trainer

  Lecturer: Windows 7, Windows 2008 Server, Networking, DHCP, DNS, Active Directory, Windows security, Firewall...