08.11.2025 aktualisiert
nicht verfügbar
David Coletta
Kirchheim bei München, Deutschland
Deutschland
BSc Computer Science/Management ScienceSkills
VMware vSphereTroubleshooting2 und 3 level SupportHyper-VSchulung (IT Beratung)StorageNetzwerkIISWindow ServerWindows DesktopMicrosoft AzureCloud
Virtualization: VMware ESXi Server 5.x/6.x/7.x, vSphere 5.x/6.x/7.x, vSAN 6.7, basic knowledge of VMware View 3/4/5, basic knowledge of Nutanix, basic knowledge of Hyper-V
Hardware: HP ProLiant DL360/DL380/DL385 G9/G10, HP BL460c-G6; IBM System x3850 M2 / x3950 M2; Dell PowerEdge R710, PowerEdge T710, PowerEdge 2950, PowerEdge 1950; HP Storage P2000G3 SAS FC/ISCSI
Desktop Operating Systems: Windows XP/Vista/Windows 7-11, basic knowledge of Linux distributions such as Ubuntu, Mint, Fedora, Centos, etc., and basic knowledge of Mac OSX
Server Operating Systems: Windows 2003-2022 Server, basic knowledge of Windows 2025 Server
Databases: Basic knowledge of SQL Server 2008 R2/2012 R2
Networking: Cisco, Network Administration, basic knowledge of Illumio
Cloud: Microsoft Azure; basic knowledge of Docker
Internet: Bluecoat Caching Appliances and web filtering, IIS 7.5/8.5, WSUS
Protocols: Standard Protocols such as TCP/IP, S/FTP, HTTP/S, SSH, SCP, RDP
Applications: Microsoft Office 2003-2021, Office 365, Visio, Project 2010-2013; Git, GitHub; VMware Workstation/Player, Oracle VirtualBox; Network Monitor 3.4, Wireshark; 8MAN 6.5, Quest One ActiveRoles, Tivoli Service Desk 6.0, iET, Matrix42 Workplace Management, Service Now; Ivanti Service Desk; CyberArk
Remote Tools: RDP, VNC, TeamViewer, LogMeIn, AnyDesk
Other: Basic knowledge of PowerShell, Openfiler, FreeNAS, basic knowledge of NetApp, Web implementation & design, WordPress development, implementation of CRM system, Team building & leading, Project Management, IT training and technical support
Hardware: HP ProLiant DL360/DL380/DL385 G9/G10, HP BL460c-G6; IBM System x3850 M2 / x3950 M2; Dell PowerEdge R710, PowerEdge T710, PowerEdge 2950, PowerEdge 1950; HP Storage P2000G3 SAS FC/ISCSI
Desktop Operating Systems: Windows XP/Vista/Windows 7-11, basic knowledge of Linux distributions such as Ubuntu, Mint, Fedora, Centos, etc., and basic knowledge of Mac OSX
Server Operating Systems: Windows 2003-2022 Server, basic knowledge of Windows 2025 Server
Databases: Basic knowledge of SQL Server 2008 R2/2012 R2
Networking: Cisco, Network Administration, basic knowledge of Illumio
Cloud: Microsoft Azure; basic knowledge of Docker
Internet: Bluecoat Caching Appliances and web filtering, IIS 7.5/8.5, WSUS
Protocols: Standard Protocols such as TCP/IP, S/FTP, HTTP/S, SSH, SCP, RDP
Applications: Microsoft Office 2003-2021, Office 365, Visio, Project 2010-2013; Git, GitHub; VMware Workstation/Player, Oracle VirtualBox; Network Monitor 3.4, Wireshark; 8MAN 6.5, Quest One ActiveRoles, Tivoli Service Desk 6.0, iET, Matrix42 Workplace Management, Service Now; Ivanti Service Desk; CyberArk
Remote Tools: RDP, VNC, TeamViewer, LogMeIn, AnyDesk
Other: Basic knowledge of PowerShell, Openfiler, FreeNAS, basic knowledge of NetApp, Web implementation & design, WordPress development, implementation of CRM system, Team building & leading, Project Management, IT training and technical support
Sprachen
DeutschgutEnglischMutterspracheItalienischverhandlungssicher
Projekthistorie
Technical Environment: Windows Server 2012 R2/2016/2019/2022; VMware vSphere 6.7/7.0, ESXi 6.7/7.0.3; vSAN 6.7; Fedora 38, Ubuntu 22.04; Windows 10/11 Professional; CyberArk; Illumio; Azure
Languages: German (50%), English (50%)
Languages: German (50%), English (50%)
- Member of Systems Operations team providing support for Windows Server related services on a global level
- Day-to-Day management of VMware environment for the Global Infrastructure (US, Singapore, China, Germany & UK) consisting of 47 Hosts, 16 ESXi Clusters, & 400+ VMs (Mixture of Windows & Linux)
- Upgraded 6 Global vCSA Servers from 6.7 to 7.0.3
- Upgraded 47 ESXi Hosts from 6.7 to 7.0.3 across the VMware infrastructure (including vSAN Witness Hosts)
- VMware Patch Management patching both ESXi Hosts and vCSAs across the Infrastructure
- Daily VMware tasks such as increasing disk capacity for VMs, adding extra compute resources to VMs, creation & deleting of Snapshots, etc.
- Upgraded VMware Tools & VM HW Compatibility versions to the latest version for all VMs in the VMware environment
- Creation of VMware Alerts for VMware vCSA Task Notification, VMware Snapshot Notification; Resolving VMware vCSA Certificate Issues
- Changing Management IP on ESXi Hosts due to network segmentation project
- Installation of new physical servers (HP Proliant DL385 Gen 10 v2) for ESXi refresh project, including the installing of Intel Quad Port 25GB SPF Modules in the servers
- Liasing with the network team to verify/troubleshoot network connectivity issues relating to servers
- Windows Server 2012 / 2012 R2 Upgrade Project - In-Place upgrade of 100+ Windows Server 2012 R2 to Windows Server 2019 (95% Virtual, 5% Physical)
- Building of new Servers - Windows Server 2019 & 2022; Linux Builds - Fedora Server 38, Fedora Workstation 38, Ubuntu Server 22.04.4 LTS both on premise/and or in Azure Cloud
- Updating BIOS & ILO versions for all physical servers in the environment
- DFS-R Implementation for DFS-R Servers located worldwide for the replication of software across the locations; China Germany, Hungary, Singapore & USA
- License Server Clean Up - Working with various departments to ensure valid license files were being used, and configuring static ports for the various vendor/daemon executables to reduce the security risk that random high ports give. This was for the Illumio project which enforced/blocked traffic that was not allowed.
- Documentation for various processes and reference
- Assisting with the updating and importing of server objects into the CMDB
Technical Environment: Windows Server 2008/2008 R2, Windows Server 2012/2012 R2/2016/2019; Centos 6/7; VMware vSphere 5.5/6.5; Windows 7/10 Professional
Languages: German (80%), English (15%), Italian (5%)
Languages: German (80%), English (15%), Italian (5%)
- Member of the Windows & Web Services team providing 3rd level support for Windows Server and Web related services
- Responsible for Active Directory account maintenance such as the creation/deletion and modification of Active Directory Objects which are used for File, Web, SQL and SharePoint Resources
- Management of Home Directories for users
- Management of user access to departmental network shares & resources
- Installation and preparation of Test Servers for various Proof of Concepts, such as Secure FTP Servers, Test Application Servers, etc.
- Provisioning & amending of Office 365 End-User, Resource Accounts, and Email Distribution Lists
- Migration of DFS Shares from Windows 2008 R2 Servers to Windows 2012 R2 Servers
- Providing permissions/access to relevant SharePoint sites
- Management of WSUS Infrastructure for the Windows Servers in the German environment
- Day-to-Day management of VMware environment for the German Infrastructure (48+ ESXi 5.1 Hosts - ESXi Clusters / Standalone ESXi Hosts)
- Dealing with requests for the provisioning of new Virtual Servers for the relevant business units
- Creation/deletion and extending of LUN Storage (HP & NetApp Storage)
- Updating of VM Templates
- Basic support of SQL Servers in terms of creating Databases, providing relevant permissions to domain users and groups as well as local SQL accounts
- Creation and Maintenance of IIS websites and Web Applications, including the renewal process of SSL Certificates and installing them on the specific IIS servers
- Liaising with the Network team to create necessary access for external partners to access Infrastructure Servers such SFTP, Web Servers, etc.
- Decommissioning of both Physical and Virtual Servers
- Liaising with hardware suppliers for replacement of faulty equipment for Dell/HP Servers, and Storage devices
- Documenting Technical Processes and Procedures
Technical Environment: Windows Server 2003/2003 R2, Windows Server 2008 R2, Windows Server 2012 R2; VMware vSphere 5.5
Languages: English (90%), German (10%)
Languages: English (90%), German (10%)
- Member of Windows Server team providing 3rd level support for all Server related issues
- Utilise System Center Operations Manager (SCOM) for Server monitoring and alerting
- Managing Server hardware resources for Virtual Machines i.e., upgrading and replacing components
- Server maintenance, implementation and support resolving reported issues in an effective manner
- Server provisioning - creation of Virtual Machines utilising Server templates, scripts and other automated methods
- Server decommissioning using standard procedures to ensure complete removal of server
- Responsible for complete system builds, upgrades, migrations, and also patch management using WSUS (Windows Server Update Services) and other tools
- Day-to-Day support and maintenance of VMware Infrastructure environment, dealing with various technical issues/requests for 70+ ESXi Hosts and 2000+ VMs
- Managing Highly Availability servers including Failover Clustering and Network Load Balancing, specifically for Microsoft SQL Server Clusters
- Following ITIL standards during all operational activities (e.g., server upgrades, installations, and other changes)
- Preparation and maintenance of documentation for Technical Procedures and Standards
- Active Directory Group Policy Implementation, Service Principal Names (SPNs), Security, IIS Hosting Server Farm, IIS Migration Projects, assisting with SSL Certificate enrolment and renewals