Tobias Walther - External Contractor
Experience
External Contractor
Government Agency
- Project support for VMware/Active Directory
- Operational support for administration, process execution
- Creation and review of documentation
- Active Directory, Powershell, VMware VSphere 7, Confluence, Jira
- Windows Server 2016/2019/2022/2025 GUI/Core
- Concept and rollout of Windows Update Services (approx. 500 client/server systems) and takeover of a central WSUS gateway company-wide
- Takeover and redesign KMS/RDS systems company-wide
Project Management Support
Bayern Invest München
- Support for project planning of file server migration
- Development of permission matrix and communication planning
- Conducting and steering end-customer meetings
- Employee training Active Directory/Powershell
Microsoft Infrastructure Services Support
Defense Contractor
- Support Windows Server 2016 Server Infrastructure
- Scripting support and automation
- Documentation of existing processes and manuals
- Active Directory, WSUS, WDS, Powershell
- VMware 7 Deployment
3rd-Party Applications Migration
BTC IT-Services
- Partial planning and consulting in migration planning and resource provisioning by service providers
- Organization, provision, and management of communication interfaces between end customers, service providers, and vendors
- Technical planning and documentation of migration processes
- Execution of the migration in coordination with vendors and internal service providers
- Creation and updating of operations manuals and planning documents
- Comprehensive support for integration into ongoing operations
- Microsoft Windows Server 2012/2016/2019, Microsoft SQL Server 2012/2014/2017, VMware 6
- Active Directory, DNS, GPO, NTFS Fileservices, Internet Information Service, Powershell
- Omnitracker, Confluence, Jira, Icinga, CMDB, MSOffice M365, Exchange 2019 Support
Infrastructure Consultant
Fujitsu Germany
- Consulting and support Backoffice Infrastructure Services, Microsoft Server 2008-2019/2022 including GPO, DNS, KMS and Microsoft SQL Server 2017
- Scripting under Powershell
- Optimization and maintenance of existing 3rd-Party Applications
- Support in the local virtualization environment (VMware 6)
- Improvement of active internal business processes
Consultant in IDM Operations
Erzdiözese München und Freising
- Optimization of the local IDM solution
- Creating scripts to query and update records (Powershell)
- Administration of Microsoft Exchange Server 2019
- Maintenance of Confluence content
- Support for local administration
Freelancer – Microsoft Server
Axians IT
- Implementation of a server hardening concept on Microsoft Server 2008/2016 using GPO, registry and Powershell
Freelancer - Integration of server back-office solutions
DLR - GFR mbH München
- Consulting on AD migration to own domain structure
- File server migration project: planning and coordination with internal customers and external partners, technical implementation, Powershell script support, troubleshooting and documentation
- Quest One Identity Active Roles implementation project: planning and technical implementation
- Optimization of internal processes (ticketing, second-level support)
Server Operations Consultant
Stadtwerke München
- Technical support for server rollout via SCCM
- Administration of VMware 5
- Process support and third-level support for MS Server 2012/2016
Consultant Infrastructure Services
UNISYS GmbH München
- Ensuring operational services of Microsoft infrastructure: AD, file services, DNS, DHCP, NPS, WSUS
- Exchange Server 2016 and Azure ID management
- Administration of Hyper-V failover cluster virtualization
- Powershell scripting
- Change and incident handling
- Server migration project to Microsoft Server 2016
- Windows 10 migration project (Exchange services, Office 365)
Microsoft Infrastructure Consultant
Bavarian Red Cross Munich
- Consolidation of the IT infrastructure on Microsoft Server 2008R2/2012
- Migration to new structures for Active Directory, file servers and DFS
- Design and implementation of an update infrastructure with WSUS
- Setup and operation of internal server cluster farms on Hyper-V 2012/2016
- Support for operational units in first and second level client/server
- Active project support for internal projects
IT Consultant
Consort NT GmbH
- Microsoft infrastructure consultant: Microsoft Server 2008-2016, Office 365
- Hyper-V virtualization
Senior IT Consultant
BMH Augsburg
- Operational support for Microsoft-based environments (Active Directory)
- Technical advice to the client's internal teams
- Coordination and communication between technical teams
- Partial design and implementation of customer projects
IT Administrator
Gräfe & Unzer Publishing GmbH
- Planning and performing the migration from Novell 6.5 Directory Services to Microsoft Active Directory Server 2008R2
- Migrating Microsoft Office 2003 to version 2013
- Implementing a new time tracking system
- Technical support for the in-house media asset management system
- Customer support for client/server Windows XP/7
- Administration of the internal infrastructure (Novell 6.5, Microsoft Server 2008R2)
Windows Administrator
Wirecard Technologies GmbH
- In-house support and development of the global Microsoft infrastructure
- Technical project support
- Microsoft Server 2003-2012, SCCM 2012, VMware 5/6
- Documentation and further development of internal systems according to ITIL
- In-house consulting and technical support for the rollout and operation of various third-party applications
- Management, Redis, Coda Financial
- Technical advice to internal partners
IT-Consultant
XelaNed GmbH Munich/Leipzig
- Design, setup and operation of Microsoft server environments (Server 2008R2/2012)
- MS Exchange 2010 Messaging
- Virtualization with Hyper-V, SCVMM, VMware ESX/ESXi
Self-employed
- Small projects of all kinds
- MS Server 2000/2003
- Windows XP/7
- Linux/Solaris
- NAS storage systems of all kinds
- Printers and print servers
- MS Exchange 2010 Messaging
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Media and Entertainment, Banking and Finance, Government and Administration, Professional Services, and Aerospace and Defense.
Business Area Experience
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Experienced in Information Technology, Operations, Project Management, and Customer Service.
Summary
Many years of experience in companies with medium to large IT environments (100->10000 employees+) in the mid-market and at enterprise level.
Focus on process-oriented support and integration of new services and migrations of existing services.
Troubleshooting and optimization of back-office infrastructures. Planning and integration of Microsoft and 3rd-Party Applications.
Project support of all kinds according to PMI and ITIL
Skills
General Skills
- Administration And Customer-related Services
- Incident And Problem Handling
- Migration And Consolidation Of Infrastructures
- Documentation And Continuous Optimization (According To Itil)
Technical Skills
- Deployment/maintaining/troubleshooting
- Microsoft Infrastructure Services (Server 2003-2019)
- Active Directory Services (Dhcp, Dns, Gpo, Pki, Kms)
- Dfs, Storage
- Windows Update Services
- Windows Deployment Services
- Failover-clustering
- Scripting Under Powershell
- Microsoft Sql Database Server 2012/2014/2017/2019
- System Center Suite 2010+ Sccm, Scvmm, Scom
- Ms Exchange Server 2010-2016 (Administration, Migration, Troubleshooting)
- Virtualization Under Vmware (V4-v8), Microsoft Hyperv (Up To Microsoft Server 2022)
- Client Deployment Via Remote Desktop Services/citrix (Microsoft Windows 7-10)
- It-security (Broadcom Symantec Endpoint Protection, Kaspersky Enterprise, Citrix)
- Integration/3rd-party Applications
- Microsoft Office Suite
- Project Management Tools (Atlassian Confluence And Jira, Basecamp, Github)
- Ticketing/process-tools Of All Kinds
Strategic Skills
- Customer-oriented Process Optimization According To Itil
- Project Support And Subproject Management (Technical And Advisory)
- Conception And Documentation
- Project Support According To Pmi
Languages
Certifications & licenses
Microsoft Certified: Azure Administrator Associate
Microsoft
CAPM PMI Certified Associate in Project Management
PMI
MCSE Core Infrastructure (Microsoft Server 2019)
Microsoft
MCSA (Microsoft Server 2016)
Microsoft
MCITP Server 2008 R2
Microsoft
ITIL v3
MCP Microsoft Exchange 2010
Microsoft
VMWare 4.0
VMWare
Statistics
Experience
Expertise
Qualifications
Profile
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