Markus K.
Administration / Support
Experience
Jan 2022 - Dec 2025
4 yearsAdministration / Support
HZD – Hessische Zentrale für Datenverarbeitung
- Support in operations and development, including Linux, Tomcat, building with Jenkins, installing web releases, monitoring, planning and executing operational processes.
- Support for the Online Access Act (OZG).
- Queries and corrections in Oracle SQL using CloudBeaver and Rundeck.
- Administration of Keycloak.
- Performed regression tests and documented them in Jira.
- Created a complex address database with MS Access/VBA.
- Created documentation and guides in XWiki.
Jan 2022 - Dec 2022
1 yearSupport / Administration / System Integration
Framesoft AG
- SLA / phone and email support for Framesoft development inquiries.
- Created tickets/issues in Jira, documentation in Confluence.
- Installation and configuration of Docker on Linux Fedora, installation and configuration of Zabbix and Icinga2 in Docker containers.
- Various administrative tasks in Linux, Windows, and VMware ESXi vSphere.
Jan 2012 - Dec 2014
3 yearsEschborn, Germany
On-siteOn-site Support / Windows Rollout
Vodafone DE
- On-site support / floor support, hardware support, client/server, UMTS/LTE, VPN, etc.
- Scheduled and coordinated the migration of about 16,500 devices, led the team and assisted in project management, performed on-site and remote migrations, provisioned devices, provided first- and second-level support (three-day support), managed replacement of incompatible devices, and handled disposal of old hardware.
Jan 2012 - Dec 2012
1 yearFrankfurt am Main, Germany
Windows Rollout
Nintendo
- Replaced notebooks and workstations, organized the rollout in Frankfurt am Main, second-level support.
- About 1,800 assets were provisioned and replaced.
Jan 2011 - Present
14 years 8 monthsMoßbach, Germany
Project planning / administration / support / system integration / troubleshooting
IT-Kraftwerk
- Installed and configured all versions of Windows Server, including terminal servers; maintained pharmacy technology and software (Prokas, Steribase, etc.).
- Took on executive management functions; coordinated external employees; handled proposals, procurement, accounting, client acquisition, etc.
- Project manager for the German Tenants' Association and all affiliated tenant associations.
- Replaced hardware, operated, maintained, and consolidated server systems in data centers.
- Migrated Windows servers from 2008/2011 to Server 2016/2019.
- Planned and executed projects; provided second- and third-level support.
- Installed and configured server virtualization.
- Worked with Asterisk Elastix, FreePBX, and 3CX telephony systems; organized SIP trunks and number porting.
- Installed and configured Sophos UTM 9 firewalls (Network Protection, Wireless Protection, Web Protection, etc.).
- Set up, configured, and administered ESXi hypervisor, including storage; built and documented a high-availability environment on-site at the customer and in the data center.
- Converted physical machines and virtualization platforms to VMware ESXi 5.x / 6.x; managed via vCenter/vSphere.
- Created IT system documentation (IT infrastructure), training materials, user manuals, and how-to guides.
Jan 2011 - Dec 2012
2 yearsLudwigshafen, Germany
GPSIII Rollout
BASF
- Replacement of notebooks and workstations including data migration from old hardware to new hardware, configuration of applications, UMTS, VPN etc.
- Handover and introduction to the user - approx. 28,134 assets were migrated.
Jan 2009 - Dec 2011
3 yearsGermany
ThinClient Rollout in over 900 locations
BARMER-GEK
- Responsible for the postal code area 35 – 65.
- Creation of new ThinClients in the system, replacement of ThinClients and subsequent deletion of old clients, functionality test with instructions and individual acceptance, as well as final acceptance by the branch manager.
Jan 2005 - Dec 2009
5 yearsGermany
1st and 2nd level support / network / rollout
RMPCS
- Support for user software, printer, network, and PC issues.
- Cat cabling with connection to patchbay and network outlets.
- Installation, configuration, maintenance, support for workstations, Windows servers, and NAS servers.
- Hardware support for T-Systems and Siemens Travel Service.
- Terminal servers, VMware.
Jan 2004 - Dec 2004
1 yearFrankfurt am Main, Germany
1st and 2nd level support / server installation / relocation
Select-Immobilien
- Installation of patchbay and network outlets, server rack, dismantling and assembly of servers and workstations.
- Installation and configuration of SUSE Linux server (domain), connecting clients with Windows XP Pro.
- User support for 19 clients via remote and on-site service.
Jan 2003 - Dec 2004
2 yearsKronberg, Germany
Rollout
Gilette
- Replacement of notebooks and workstations.
- Second level support (field service), distribution organization including provisioning of notebooks and workstations via Tivoli.
Jan 2003 - Dec 2003
1 yearFrankfurt, Germany
Remote1st and 2nd Level Support / Field Service
Deutsche Bank and Commerzbank
- User support for about 300 clients via remote and on-site service (field service) on the trading floor.
- Ticket logging and analysis using Remedy.
- Team leader in rollouts, complete deployment of workstations and domain integration, support for client/server issues.
Jan 2002 - Dec 2002
1 yearHanau, Germany
Remote1st and 2nd Level Support / Field Service
OMG (Umicore)
- User support via remote and on-site service (field service).
- Ticket logging via OctoHelp in Lotus Notes.
- Maintenance of workstations and replacement of defective hardware.
Jan 1999 - Dec 2001
3 yearsFrankfurt am Main, Germany
Remote1st and 2nd Level Support / Field Service
Dresdner Bank, Dresdner Kleinwort Wasserstein and DIT
- Y2K updates of workstations, responsible for the hardware pool.
- User support for 250 clients via remote and on-site service (field service) on the trading floor.
- Administration of network printers and backups with ArcServ and ExecView.
- Various rollouts.
Summary
- Position Self-employed
- Deployments in banking, insurance, industry, clubs & associations, and public authorities
Languages
German
NativeEnglish
ElementaryEducation
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System Integration / Network Technician
Certifications & licenses
IT expert
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