Freelancer profile translated to English.
Back to original languageAbout Joshua
More than 10 years of experience in the IT sector, primarily in classic system administration (Microsoft and Linux), but also in project management, planning, and consulting.
I also manage websites for B2B clients, primarily focusing on technical support such as hosting, updates, and maintenance.
German
Native or bilingual
English
Basic
Can work on-site
Simmern/Hunsrück (up to 50km), Mainz (up to 100km), Koblenz (up to 100km), Simmern/Hunsrück (up to 100km), Frankfurt am Main (up to 100km), Düsseldorf (up to 100km), München (up to 100km), Karlsruhe (up to 100km)
Experience
- TUNERSHOP GmbHIT Infrastructure SupportE-COMMERCEMay 2025 - July 2025 (2 months)Naila, Germany
- Consulting and training in IT infrastructure
- Migration of the virtualization platform from VMware ESXi to Proxmox
- Planning and execution of the move of virtual machines to the new Proxmox environment
- Redesign and conversion of the backup concept
- Landesbetrieb MobilitätClient Management / Onsite SupportPUBLIC SECTORMarch 2024 - May 2026 (2 years and 2 months)Koblenz, GermanyAs part of an internal IT modernization project, I took on project management and technical implementation for the further development of the client and office environment.
- Project management and implementation of the internal rollout of Windows 10 to Windows 11, including planning, coordination, and technical execution. The focus was on evaluating hardware and driver compatibility, implementing a security and hardening strategy, and creating and maintaining central Group Policy Objects (GPOs).
- Project management for the rollout of Office 2024 LTSC, including conception, hardening, and GPO-based configuration in accordance with internal security and operating requirements.
- Conception, standardization, and documentation of operating procedures for the long-term operation of the client and office infrastructure, including handover to internal IT operations.
- Conception and operation of patch management based on WSUS, including structured update releases, test processes, and ensuring stable update compliance.
- CENTOMOSystem AdministrationAUTOMOBILENovember 2021 - August 2022 (8 months)Landkreis Kitzingen, Germany- Support in system administration (updates, monitoring)- Backup monitoring - Ticket processing / on-call duty- Project management for introducing hardware / software at other locations - Migration of Terminal Server 2012 to 2022- Documentation via DocusnapTechnologies: Windows Server 2012-2019, Windows 10, Exchange Server 2019, Veeam, VMware vSphere, HPE Omnicube, Dell VxRail, PRTG, MSSQL 2012, Docusnap, Active Directory,
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Education
- IT Specialist - System IntegrationExternal Examination2018
Certifications
- IT Security Officer (ITSiBe) / Chief Information Security Officer (CISO)Bitkom Servicegesellschaft GmbH2021