Thomas K.

Senior ICT-System-Engineer

Baar, Switzerland

Experience

Jan 2023 - Present
2 years 10 months

Senior ICT-System-Engineer

Abraxas Informatik AG

  • Operation and support of the Windows Server systems (patching, monitoring and testing)
  • Operation and further development of the virtualization & MDM platforms (VMware, Hyper-V, Citrix, VDI, MobileIron), including backup & storage
  • Operation and maintenance of Citrix ADC environments
  • Server management (AD, file servers, SCCM, print servers, DNS, DHCP, SQL, database operations)
  • Ensuring release and patch management as well as software deployment
  • Operation of the central IAM infrastructure, including WAF/WAM
  • System monitoring and automation, as well as lifecycle management
  • Participation and coordination of projects and execution of change requests
  • Creating and updating system documentation
  • Incident, change and problem management
  • Processing of 2nd and 3rd level tickets
  • Providing on-call support
  • Vendor management
Jan 2022 - Dec 2023
2 years

IT System Engineer (Project)

Abraxas Informatik AG

  • Administration, engineering and troubleshooting of Microsoft Active Directory and domain controllers (ADFS, DNS, DHCP, GPO, IIS, WSUS, proxy, KMS, RDS, Windows Firewall, Windows file & SQL clusters)
  • Management and operation of Windows Server 2022 / 2019 / 2016 / 2012
  • Project planning & execution of the Ricoh & Windows print server replacement project for all of Abraxas Switzerland
  • Azure administration & engineering
  • SCCM administration & software distribution
  • Hyper-V administration & engineering
  • VMware vSphere 7 administration & engineering
  • Handling tickets and incidents with ServiceNow
  • Creating PowerShell scripts to automate tasks
  • Windows application server 2022 / 2019 / 2016 / 2012 installation, configuration & troubleshooting
  • Windows application server migrations (Terris / IIS / print servers / MS SQL database servers)
  • Creating IT documentation in Confluence
  • IPAM network administration and configuration
  • Collaboration with network engineers for firewall approvals and troubleshooting
  • Second-level support
Jan 2021 - Dec 2021
1 year
Zürich, Switzerland

IT System Engineer (Project)

Atos Switzerland

  • Active Directory administration & engineering (ADFS, DNS, DHCP, GPO)
  • Troubleshooting Windows servers & applications
  • VMware vSphere 7 administration & engineering
  • Handling tickets and incidents
  • PowerShell scripting
  • Puppet scripting
  • Windows Server 2016 installation & configuration
  • Installation & configuration of server applications
  • Working with TortoiseSVN for version control of IT documentation
  • Creating IT documentation
Jan 2021 - Dec 2021
1 year
Lucerne, Switzerland

IT Engineer (Project)

Heineken Schweiz

  • Windows Server 2012–2016 installation & configuration
  • Windows Server 2016 RDS configuration
  • Planning and execution of Windows Server migrations
  • Active Directory administration & engineering (ADFS, DNS, DHCP, GPO)
  • Exchange administration
  • PowerShell scripting
  • Planning & implementation of a Canon UniFLOW printer migration project for all Heineken Switzerland branches
  • SFTP server configuration
  • Migration from SEP Antivirus to Microsoft Defender (client & server)
  • Migration of telephone system to Openscape 4000
  • IT project GFOS time management
  • Second-level support for Windows 10 / Office 365 clients
  • Access database application support
  • Collaboration with Orange on WAN network / firewall
  • Collaboration with T-Systems on server hosting
  • Creating IT documentation
Jan 2017 - Dec 2020
4 years

IT System Engineer

Hays, Gulp, Randstad

  • System engineering and administration of Microsoft Windows Server Active Directory, domain controllers, Certification Authority, ADFS, DNS, DHCP, GPO, PKI
  • Azure cloud engineering and administration
  • Windows Server 2016 & 2019 installation & configuration
  • Active Directory disaster recovery
  • Office 365 / SharePoint administration
  • Monitoring Windows / Linux servers (HP) and the network environment with SCOM
  • Change and release management of the supported systems
  • SCCM (Endpoint Configuration Manager) engineering and administration
  • Windows Server 2008 / 2012 application server migration to Windows Server 2016 in Azure cloud
  • Domain controller / DNS migration to Windows Server 2016
  • Microsoft SQL migration from 2008 to 2016, Microsoft IIS 7.5–10
  • Worldwide patch management with WSUS
  • Exchange administration
  • VMware engineering & administration
  • PowerShell scripting
  • SQL Server installation and administration
  • Citrix XenApp 7.x administration & configuration
  • Engineering, monitoring and operation of Microsoft Windows 7 & 10 clients
  • Responsible for software distribution with SCCM 2012 / 2016
  • Independent coordination and implementation of projects and new requirements
  • Incident, change, problem, configuration and release management
  • 2nd & 3rd level support in the Windows Server / Active Directory environment
  • File server reengineering (troubleshooting, file structure editing, VSS implementation, cleaning scripts)
  • Print server installation & configuration
  • Support of IT in the production environment
  • Creating GPOs
  • Microsoft Teams / Skype
  • ServiceNow administration
Jan 2016 - Dec 2016
1 year
Zürich, Switzerland

ICT System Engineer (Project)

Profilogic AG

Jan 2015 - Dec 2015
1 year
Zürich, Switzerland

ICT System Engineer (Project)

Sika Informationssysteme AG

Jan 2013 - Dec 2015
3 years
Zürich, Switzerland

Windows Server System Specialist

Sunrise AG

Jan 2011 - Dec 2013
3 years
Zürich, Switzerland

Windows Server Specialist

Emil Frey AG

Jan 2010 - Dec 2011
2 years
Dierikon, Switzerland

Windows Server System Specialist

Migros Luzern

Jan 2006 - Dec 2009
4 years
Neuheim, Switzerland

IC System Specialist

Bucher Hydraulics AG

Jan 2002 - Dec 2006
5 years
Neuheim, Switzerland

IT Analyst

Johnson & Johnson

Jan 1995 - Dec 2002
8 years

Client System Engineer / Client Support

Summary

I ensure that your IT infrastructure works reliably, your business applications are used efficiently and securely by employees and new technologies are professionally evaluated, procured and introduced. My many years of experience in IT with Windows platforms, my IT-specific training and my skills as a system engineer, administrator and second- / third-level supporter help me with this.

I am used to working independently and resiliently at a high-quality level and am happy to take the initiative on upcoming tasks.

I enjoy working with people and can express myself and communicate well.

  • Profound long-standing experience with Windows domains, Active Directory and Windows Server environments (AD / DHCP / DNS / IIS / ADFS / PKI / Cluster)
  • Many years of experience in virtualization with VMware and Hyper-V
  • Successful execution of IT projects
  • Experience with Azure environment / Microsoft 365
  • Experience with Linux
  • Experience with Citrix
  • Experience with SQL
  • Patching servers and clients with WSUS
  • Software distribution with SCCM
  • Monitoring the IT environment with SCOM, ManageEngine Opmanager and PRTG
  • Planning, installation & configuration of application servers
  • Automation of processes with PowerShell scripts
  • English business fluent (spoken and written) C1

Languages

German
Native
English
Advanced

Education

Oct 1992 - Jun 1995

Landis & Gyr Zug

Commercial apprenticeship · Zug, Switzerland

Oct 1990 - Jun 1992

Loretto

Secondary school · Loretto, United States

Certifications & licenses

Microsoft Certified System Administrator

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