Tomasz Michalski

Linux | Kubernetes | AWS

Warsaw, Mazowieckie, Poland

About

Experience

  • Senior Linux Operations Engineer at GN Group
    Mar 2026 - Present · 5 mos

  • Unix Administrator at NatWest Group
    Sep 2018 - Mar 2026 · 7 yrs 7 mos

  • Aviva Poland (Warsaw, Mazowieckie, Poland)
    • Leader of area operating systems, storage and backup.
      Jan 2016 - Aug 2018 · 2 yrs 8 mos

      Maintaining relationships with vendors and suppliers. Responsibility for related infrastructure costs. Amazon Web Services - management of services (VPC,ELB,EC2,EBS), integration and migration, controling costs. Supporting AIX and Red Hat servers. Performance tuning for RedHat and AIX servers.

    • Operating systems administrator
      Jan 2012 - Jan 2016 · 4 yrs 1 mo

      Since 05/2013 European AIX Team deputy coordinator, taking responsibility for IBM Power platform of several countries. 3rd line 24h support. Supporting AIX and Red Hat servers. Supporting storage EMC VNX. Troubleshooting. Keeping the documentation up-to-date.

    • IT Operation administrator
      Sep 2008 - Jan 2012 · 3 yrs 5 mos

      Supporting AIX, Red Hat and Windows servers, backup system, Oracle databases. Environmental monitoring.

  • IT Specialist at Skorpion Grupa
    Oct 2006 - Sep 2008 · 2 yrs

    All kind of IT tasks.