Alexander Janzen · IT infrastructure
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Career

From apprenticeship to infrastructure.

Started in a tax office, continued through support and a data centre, today in technical consulting for point-of-sale systems. Along the way: networking, virtualisation, Linux and automation.

CV as PDF

One document, one page — in English or German, always up to date.

Professional history

Most recent first.

  • 06/2023 — present
    IT consultant, POS technology
    EDEKA IT · Hamburg
    • Technical consulting and 3rd-level analysis for the group's national point-of-sale software
    • Fault analysis across software, hardware, network and operating system boundaries
    • Building and running test environments (LAN, VLAN, WLAN, VPN) for reproducible checks
    • Testing hardware, firmware and software; coordination with vendors
    • Technical documentation, onboarding of working students
  • 11/2022 — 05/2023
    System administrator / IT support
    IAP GmbH · Hamburg
    • Operating and supporting the data centre infrastructure
    • 1st and 2nd level support for internal systems
    • Backup runs and their verification
  • 07/2022 — 11/2022
    IT specialist, infrastructure & web projects
    digital.promo GmbH
    • Handling infrastructure topics in an agency environment
    • Delivering and maintaining web projects
  • 08/2019 — 06/2022
    Apprenticeship as IT management assistant (IHK)
    ADS Steuerberatung
    • Active Directory and user administration
    • DATEV environment, database queries (SQL) and automation with VBA
    • Qualification: IT management assistant, IHK (2022)

Education & certificates

Education

  • IT management assistant (IHK)2022
  • Advanced technical college certificate, business2019

Further training

  • Cisco CCNA — networking and routing fundamentalsCourses I–III
  • Practical evidence from my own home labongoing

What I am looking for next

Continuing towards infrastructure and system engineering: responsibility for server, network and automation topics in a well-established team, with time for thorough work and documented results.