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Marco ZmudaMZ

Marco Zmuda

IT System Administrator

€499/day
Frankfurt am Main, DE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Marco

  • German

    Native or bilingual

  • Polish

    Fluent

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Deutsche Telekom AG
    IT System Administrator
    TELECOMMUNICATIONS
    January 2025 - Today (1 year and 5 months)
    • • Provisioning and administration of Microsoft Windows Server environments including core infrastructure (AD, DNS, DHCP, GPO) as well as other infrastructure elements.
    • • Unified End-Point Management (provisioning, configuration, and continuous compliance checks of all end devices).
    • • Responsibility for software packaging as well as company-wide patch and release management.
    • • Systematic documentation and processing of requests in the ticketing system.
    • • General IT administration and active support in ensuring smooth IT operations.
    • • Strategic planning and operational execution of IT infrastructure connection for new locations (network, firewalls, VoIP, and workplace systems).
  • Belkom GmbH
    IT System Administrator
    January 2022 - December 2024 (2 years and 11 months)
    • • Contact person and technical consulting for clients in all matters of IT infrastructure.
    • • Conception and implementation of future-proof IT solutions in complex, hybrid environments (Exchange Hybrid, Entra Connect, Sophos Firewalls).
    • • Provisioning and administration of Microsoft Windows Server environments including core infrastructure (AD, DNS, DHCP, GPO) as well as other infrastructure elements.
    • • General IT administration and active support in ensuring smooth customer IT operations (including Microsoft 365, Altaro Backup, email archiving, antivirus, firewalls, VPN, and VoIP).
    • • Responsibility for software packaging as well as company-wide patch and release management.
    • • Planning and execution of comprehensive cloud migrations (on-premises to PaaS) as well as introduction of SaaS solutions.
  • Max-Plank-Institut für Plasmaphysik
    IT System Administrator
    October 2020 - December 2021 (1 year and 2 months)
    Greifswald, MV, Germany
    • • Modernization of workplace IT through the migration from local thick clients to a centralized VDI environment with thin clients.
    • • Administration of the VMware vSphere infrastructure.
    • • Management of AD and management of software deployment.

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Education

  • Technical College
    Brühwiesenschule
    2016
    Fachoberschule
  • Apprenticeship (IT Specialist for System Integration)
    Deutsche Telekom AG
    2015
    Ausbildung (Fachinformatiker für Systemintegration)

Skill set

Categories