Tomas Michalka

Freiberuflich, System Administrator, operational services GmbH & Co. KG

Fähigkeiten und Kenntnisse

Active Directory
Microsoft Azure
Data Center
English
Microsoft Endpoint Configuration Manager
Hardware
System Administration
Microsoft Exchange
Powershell
System Center Configuration Manager (SCCM)
Hyper-V
System Center Operations Manager (SCOM)
Incident Management
System Deployment
IT Operations
Troubleshooting
SCVMM
IT Service Management
Virtualization
Servers
ITIL
VMware
Service Management
Windows Server
Analytical Skills
PowerShell
Automation
Azure Update Manager

Werdegang

Berufserfahrung von Tomas Michalka

  • Current 4 years and 11 months, since Aug 2021

    System Administrator

    operational services GmbH & Co. KG

    - Windows administrator (project work) - SCOM administration (upgrades, migrations, creating management packs) - SCCM administration - Powershell scripting - Azure Automation

  • 6 years and 8 months, Nov 2014 - Jun 2021

    System Administrator

    Gratex International, a.s.

    - System Center environment implementation and administration (SCOM, SCCM, SCVMM) - Hyper-V environment administration - Working on projects as needed, consulting, configuring and preparing infrastructure according to project requirements and additional client requirements (Windows Server services such as Active Directory, DNS, DHCP, Exchange, SQL server, configurations and upgrades, Disaster recovery (Vmware SRM) implementation, etc.) - security tools implementation and administration (Logrhythm SIEM, Forc

  • 2 years and 4 months, Jul 2012 - Oct 2014

    System Administrator

    AT&T

    -Root cause analysis for unexpected shutdowns and application outages, implementing solutions for such issues, basic memory dump analysis, change management based on investigation -Administration and Reporting for Citrix XenApp (4.5 -6.5) farms -Troubleshooting Citrix issues on server side according to reporting - resolving basic Citrix client issues - scheduling automated reboots, resolving code push distribution problems, troubleshooting based on EdgeSight reporting - application publishing - XenApp ser

  • 1 year and 5 months, Feb 2011 - Jun 2012

    IT Servicedesk

    First Data Corporation

    - LAN administration for UK offices counting 2000 users - Active directory administration - RSA token administration - Roaming profiles administration and troubleshooting - Software instalations, cooperation with server team, basic MS Office troubleshooting

  • 1 year and 5 months, Sep 2009 - Jan 2011

    1st level Windows support

    Hewlett-Packard

    - Server maintenance according to generated alerts and user requests - Basic hardware, networking, backup, disk space, printer, user account, cluster and monitoring agent troubleshooting - Newcomer education

  • 5 months, Jun 2008 - Oct 2008

    Qualification agent

    Ajilon Consulting

    - Monitoring for EVA storage arrays in EMEA - Hardware maintenance and basic troubleshooting for storage arrays, ordering new parts and scheduling hardware changes - Cooperation with local HP support centers in EMEA

Ausbildung von Tomas Michalka

  • 2004 - 2010

    Master's degree

    Slovenská technická univerzita v Bratislave

Sprachen

  • English

    C1 (Fließend)

  • German

    C1 (Fließend)

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