Tomasz Krzywy

Senior System Administrator

Experienced Senior System Administrator with strong expertise in Windows Server, Azure Cloud, Active Directory, automation, and Infrastructure as Code. Skilled in cloud governance, Atlassian administration, CI/CD, and scripting. Proven ability to support international teams and deliver secure, stable IT infrastructure.

[email protected] +48515270308 Kraków, Poland
LinkedIn
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Years experience
0
Language
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Skills
Work Experience
Earlier Roles
Earlier Roles
Feb 2002 — Oct 2004
  • Relpol S.A. – Machine Operator / Maintenance Engineer
  • Own Business – Electromechanical Devices Service
IT Specialist
ZTD Dekora S.A.
Oct 2004 — Jan 2006Żary, Poland
  • Administering WAN, Windows 95/98/2000 workstations, Windows NT 4.0, Unix SCO, Linux servers.
  • Supporting Progress database server and automation systems.
IT Specialist
Swedwood Poland Sp. z o.o.
Jan 2006 — Aug 2008Zbąszynek, Poland
  • Administering approx. 300 Windows XP workstations and 25 Windows 2000/2003 servers.
  • Managing Active Directory and IBM Lotus Domino.
  • Supporting DECT and Ericsson telephone systems, UPS systems, and IT infrastructure.
IT Specialist
Mix Electronics S.A.
Aug 2008 — Jan 2013Skawina, Poland
  • Administering Windows Server 2003/2008 (approx. 30 servers).
  • Managing LAN with approx. 400 Windows XP/7 workstations.
  • Implementing and maintaining Active Directory.
  • Administering Soneta Enova and providing user support.
  • Creating technical documentation and IT procedures.
IT System Support Engineer
IBM BTO Business Consulting Services Sp. z o.o.
Apr 2013 — Oct 2019Kraków, Poland
  • Administering Active Directory, Windows Server 2012/2016/2019, IIS, Citrix XenApp/XenDesktop, IBM Cloud (approx. 400 servers).
  • Managing GPO, security baselines, DFS shares, printers, and server hardening.
  • Implementing IT standards and compliance controls.
  • Automating tasks using PowerShell and Python.
  • Monitoring and diagnosing server and infrastructure issues.
Senior IT System Support Engineer
IBM BTO Business Consulting Services Sp. z o.o.
Nov 2019 — Feb 2023Kraków, Poland
  • Supporting enterprise Windows Server and Active Directory environments.
  • Maintaining infrastructure across multiple international locations.
  • Providing advanced troubleshooting and system support.
Senior System Administrator
PCMI Corporation
Mar 2023 — PresentCurrentKraków, Poland
  • Managing Active Directory and Windows Server 2016/2019/2022/2025 (approx. 200 servers).
  • Administering Azure Cloud infrastructure, identity, networking, governance, and automation.
  • Implementing Infrastructure as Code using Terraform and Bicep.
  • Administering Jira, Confluence, Bitbucket (on‑prem and cloud).
  • Managing Azure DevOps, CI/CD pipelines, repositories, and project governance.
  • Managing Entra ID (Azure AD) identity lifecycle and access control.
  • Participating in the migration of on-premises infrastructure to Azure.
Skills
Azure (strong knowledge)Terraform (advanced)AnsibleBicep (basic)Azure DevOps (CI/CD, repos, pipelines)Windows Server 2012/2016/2019/2022/2025Active Directory, GPO, DNS, DHCPCitrix XenApp/XenDesktopIBM CloudVMware (basic)DFS, printers, TSM backup troubleshootingPowerShell (strong)PythonDocumentation & IT standardsSecurity hardeningJira, Confluence, Bitbucket (on‑prem & cloud)Entra ID (Azure AD)TCP/IP networkingSymantec Endpoint Protection, ESET NOD32English – intermediateDriving licence
Education
MEng, Informatics
Wrocław University of Technology
2002 — 2004
Eng, Informatics
Wrocław University of Technology
1998 — 2002
Certifications
AZ‑104: Microsoft Azure Administrator
Microsoft
2024-12
Programming in Python
Sages
2020-06
MS 20743 – Upgrading Skills to MCSA: Windows Server 2016
Altkom
2019-06
Citrix XenApp 6.5 Administration
Arrow ECS Services
2014-06
ESET Remote Administrator Console
Dagma
2009-12
Windows Server 2003 Administration
CSS
2007-11
IBM Lotus Domino Administration
CSS
2006-11
Languages
English
Intermediate
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