David Hesse

steering and controlling of the activities of providers for the Workplace Services as an Operational Service Lead, analysing business/project-requirements and translating them into technology together with the providers, supporting projects by analysing requirements and performing tasks for the projects, analysing service quality and performance and discuss optimization with the involved providers, handover of changed procedures to involved providers, coordination and solving of incidents.

joined the IT Infrastructure Support-Team in the MAHLE Shared Services Center in Wroclaw as VMware Specialist, supporting the team in the Administration, Design, Troubleshooting and Daily Operations of the various VMware deployments in geographically dispersed Datacenters across the globe, helping to improve the stability, security, high availability, and flexibility of those environments, by regularly updating the infrastructure as well as deploying new, more agile, ways of Configuration-Management.

Senior Systems Engineer VMware and Storage, Data Centre Services Germany

IT Professional specializing in VMware Virtualisation, Storage and Backup Technologies

Systemadminstrator Base Systems | Customer Hosting with focus on the administration of Storage and Backup Solutions, combined with a high level of expertise in VMware Virtualization Technologies.

I was responsible for a VMware Migration project that included an upgrade of the existing VMware ESX 3.5 Farm to vSphere 4.1, designing and building 2 new VMware HA Clusters for Certification and Production environments based on ESXi 4.1 Hypervisors and physical to virtual migrations of about 80% of all production servers. The design is based on modern HP ProLiant BL690 c7 Blades , 3PAR F400 Storage Arrays and VMware vSphere 4.1 ESXi Servers, building a HP Enterprise Converged Infrastructure.

my responsibilities centered mainly around administration, support and maintenance of VMware ESX and Citrix Xen-Server environments and shared Storage Solutions, especially the EMC Clariion mid-range Storage Arrays as well as Brocade FC Switches and the implementation of those solutions for small and middle sized customers, delivering the work remotely and/or on site.

Senior Enterprise Storage Analyst and Virtualization Expert. supporting Dells customers who bought their EMC Clariion Storage Arrays if they have problems connecting to the array, problems with HBA drivers, Host Agents, creating LUNs, configuring Zoning and LUN Masking on Brocade and Cisco FC-Switches as well as on the Array using the EMC-Navisphere Management Interface and "HBA Anywhere" for Emulex and "SANsurfer" HBA configuration software for QLogic HBAs. SAN Healthchecks and Remote Installations.

I was trying to get my feet in Virtualisation Projects as a Junior Virtualisation Consultant, but the Recession came in the way and so I was using the time I was without any assignments to upskill myself, participating in courses and engaged in study groups and home lab sessions to prepare my next career step.

I was working as junior consultant in a Server Migration project with Allianz Ireland and Allianz Germany and was partly involved in the Administration of the VMware virtualised Servers and Desktops at the Allianz Ireland Office in Dublin.

Enterprise Technical Support Engineer in VMware EMEA Technical Support Centre in Cork, Ireland supporting VMware's German speaking customers when they had problems with their ESX -and Virtual Center Server implementations using VMware's Virtual Infastructure 3 Virtualisation Suite, ranging from problems with the ESX Server (Hypervisor) Service Console (RedHart Linux based) itself, over Virtual Machine issues to shared Storage(SAN) and network troubleshooting

Localization and Functional Testing of all LANDesk Software Products.

Provided Support for German Speaking IBM Employees. Windows 2000 & XP environments. Support for Remote Access users including VPN Support. Database Support – Assisting Remote Users with access problems. Application Support – MS Office, Lotus Notes, VM Applications, Web Based Apps. Assisted with Network Connectivity Problems.