March 2020 - present: VMware consultant @ [Firmenname auf Anfrage]

Customer: DE public sector

September 2019 - November 2019: VMware consultant @ [Firmenname auf Anfrage]

Customer: IBM Deutschland Aviation Industry Services GmbH

Tasks:

• Supporting the deployment and the data migration of a large financial enterprise as part of a greenfield installation & migration project
• Cooperating with IT architects to come up with a resilient design to meet customer's demand
• Technical advisory, project management and automation support during establishing a DR strategy

2016 ? 2019: Responsibility for core build process documentation within Germany

Customer: Vodafone Group Services GmbH

Role: Cloud Platform Engineer

Tasks:

• Responsibility for core build process documentation within Germany
• Elaborating automated deployment processes via JSON
• Providing third line support for the Private Cloud infrastructure globally
• Working out the onboarding guidelines for a new tenant within Vodafone Private Cloud
• Mentoring second line engineers in complex tasks
• Planning and coordinating SSL certificate replacements globally
• Troubleshooting NSX and VXLAN related connectivity issues
• Troubleshooting vRA/vRO related deployment failures
• Supporting agile dev team implementing Zerto in Vodafone Private Cloud
• Trusted advisor concerning VMware technologies
• Received Vodafone Cloud Star Award the second time for outstanding documentation skills and value-added contribution to key projects

2015 ? 2016: Support the deployment of the underlying infrastructure for Vodafone Private Cloud

Customer: Vodafone Group Services GmbH

Role: UNIX engineer

Tasks:

• Support the deployment of the underlying infrastructure for Vodafone Private Cloud
• Delivery and support of virtualized systems on vSphere platform
• Getting awareness about the Private Cloud infrastructure while being fine-tuned by VMware Professional Services
• Streamlining the Vodafone Germany Managed Hosting build process
• Providing third line vSphere support for engineers in Bucharest and India

2012 ? 2015: Virtual Storage Appliance SME

Customer: VMware International Ltd.

Role: German Speaking Technical Support Engineer

Tasks:

• Infrastructure support for mid-market and enterprise German companies
• Virtual Storage Appliance SME
• Internal trainings about new features (vSphere 6, VSAN)

2011 ? 2012: HW and SW troubleshooting, OS performance tuning

Customer: Invigor Informatika Ltd.

Role: IT Systems Engineer

Tasks:

• HW/SW support for ~200 HP servers, mostly blades, ~300 Sun/Oracle
• different kind of storage systems from entry level HP P2000 through HP EVA P6500 to high-end Hitachi USP-V arrays
• HP hardware support for OTP Bank Hungary (banking sector), on duty
• Business Copy automation on HP P6500
• presales activities and system planning for several customers, among them MOL Plc. (petroleum industry), MVM PA Zrt. (nuclear industry)
• planning and installing HP-UX HA and virtualization solutions
• deploying new servers (mostly HP blades)
• developing various hardware inventory scripts for customers, automation through shell scripts, interaction handling with expect
• HW and SW troubleshooting, OS performance tuning

2010 ? 2011: highly automatized linux enviroment, extremely heterogenous datacenter

Customer: IT Services Hungary Ltd. ? Member of T-Systems

Role: Senior Unix (HP-UX/Solaris/AIX/Linux) System Administrator

Tasks:

• data center size: ~200 HP-UX, ~250 Solaris, ~2000 Linux (SLES)
• highly automatized linux enviroment, extremely heterogenous datacenter
• remote OS support for a dedicated customer: BMW (automotive)
• occasional on duty for Deutsche Post/DHL (logistics), DEKA Bank (banking sector)
• giving lectures about high availability clusters and scripting/automation
• maintaining/developing the automation mechanism through scripts
• business critical highly available systems: ServiceGuard on HP-UX and Veritas Cluster Server & VxVM on Solaris and Linux systems
• Business Copy automation on HP XP arrays
• cooperating in offline SAN migrations
• troubleshooting of OS related problems
• telephone assistance at HW replacements, working in shifts and on-duty

2007 ? 2010:

Customer:  IT Services Hungary Ltd. ? Member of T-Systems

Role: Junior HP-UX System Administrator