Marek Czaja

Computer Network Administrator in Grupa Piast Sp. z o.o.

Legnica, Dolnośląskie, Poland

About

Jestem inżynierem systemów i sieci komputerowych. Dysponuję wieloletnim doświadczeniem w zarządzaniu sieciami LAN i WLAN, systemami Windows, Linux oraz bogate doświadczenie w zakresie wsparcia technicznego. Jestem zainteresowany stałym rozwijaniem swoich umiejętności w dziedzinie bezpieczeństwa IT oraz zarządzania systemami i sieciami.

Experience

  • Computer Network Administrator at Grupa Piast Sp. z o.o.
    Mar 2018 - Present · 8 yrs 5 mos

    - Hyper-V implementation and virtualization standalone server - implementation and management Active Directory DS - creating and management GPO - modernization local network: link aggregation, nic teaming, vlans - implementation new backup system - implementation new ticket system on osTicket platform - implementation servers and network monitor system on Zabbix virtual appliance - recreate wlan network on Unifi Devices with management via Unifi Cloud Key - Eset remote console management - maintaining, repairing and upgrading computers - diagnose and resolve technical hardware - email and vpn accounts management - co-produce the procedures of IT security

  • IT Security Specialist at Centrum Odszkodowań DRB sp. z o.o. sp komandytowa
    Aug 2017 - Feb 2018 · 7 mos

    - management of rights to systems, resources and applications - carry out internal security audits - co-produce the procedures of IT security - users online activity monitoring - implementation new share’s polices by Group Policy Management - modernization of the network in order to increase its efficiency - management firewall polices and implementation system log server for it - Linux and Windows Servers administration - monitoring software for servers, network devices and applications implementation - remote administrator console for antivirus software implementation - helpdesk

  • Network Administrator at F.H.U.P. TURBO
    Sep 2014 - Aug 2017 · 3 yrs

    - Monitoring network and systems to improve performance - Management wlan network based on mikrotik and ubiquitti devices - Helpdesk for business and private clients - Maintaining, repairing and upgrading network and computer systems - Implementation and service vpbx on AsteriskNOW - Design, implementation and management of IP video surveillance systems

  • Couriers Dispatcher at Siódemka S.A.
    Mar 2013 - Aug 2014 · 1 yr 6 mos

    - Planning and optimization of courier's routes - Courier's routes cast planning - Control rides conduction - Delivers quality control

  • Siódemka SA ()
    • Supervisor Operations
      May 2012 - Mar 2013 · 11 mos

      - Supervise the shipments - Reporting of warehouse operations - Verifying data in the system - Control the timely departure of freight cars

    • Customer Service
      Apr 2011 - May 2012 · 1 yr 2 mos

      - Monitoring the status of consignments - Verifying correspondence concerning the work of the Branch - Cooperation with couriers, educational terrain and headquarters