Sebastian Blath

AZ-104 Microsoft Azure Administrator

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Munich, Germany

Experience

May 2025 - Feb 2025
-1 years -2 months

AZ-104 Microsoft Azure Administrator

Continuing Education

Aug 2024 - Present
1 year 6 months
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BITMARCK Technik GmbH

  • Management of the DSM infrastructure with 18 tenants and around 10,000 servers in a multi-domain environment
  • Development of PowerShell scripts to manage and configure various applications
  • Performing DSM release updates
  • Migrating DSM servers from 2016 to 2022
  • Troubleshooting and bug fixing DSM issues
  • Switching DSM communication to SSL for all management points as well as database access
Dec 2022 - May 2024
1 year 6 months
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Polizei Hessen

  • Setting up a forensic cloud on Windows
  • Development of PowerShell scripts to manage and configure Active Directory and infrastructure servers
  • Hardening Windows Server according to BSI IT baseline protection
  • Creating GPOs
  • Setting up DNS, DHCP, and CA
Aug 2022 - Mar 2023
8 months
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Technische Hochschule Aschaffenburg

  • Setting up Active Directory delegation
  • Creating GPOs
  • MSI packaging with Orca
  • Setting up a test Active Directory
  • Setting up AD password sync with the Pwned database
  • Setting up YubiKey
  • Configuring Zabbix monitoring
  • Windows Server administration
  • CA/PKI, IIS, SQL, and Exchange including CU updates
Mar 2022 - Mar 2022
1 month
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EDEKA Rechenzentrum Süd Betriebs GmbH

  • Active Directory PowerShell scripting
Nov 2021 - Feb 2022
4 months
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Audi AG

  • Driver Packaging
  • PowerShell Scripting
Jun 2020 - Jun 2021
1 year 1 month
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Ergo Group AG

  • Active Directory Administration
  • Process Automation Using PowerShell Scripting
  • Exchange Contact and Mailbox Migration Using PowerShell Scripting
Mar 2020 - Mar 2020
1 month
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BestStrom24

  • Set Up Office 365
  • Mailbox Migration to Office 365
Oct 2019 - Oct 2019
1 month

New Active Directory Deployment

Freelance

  • Rebuilding Active Directory After a Cyberattack, Including Creating a Permissions Concept According to BSI Guidelines
  • Windows Server 2019
Sep 2018 - Aug 2019
1 year
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HessenForst

  • Leading and Redesigning Patch Management
  • Coordinating With Business Units
  • Software Packaging With DSM for a Windows 10 and Server 2016 Rollout
  • PowerShell Scripting
  • GPO Adjustments for Windows 10
  • DSM Migration From Server 2008 to Server 2016
Jan 2013 - Jun 2018
5 years 6 months
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HAWE Hydraulik SE and HAWE Holding

  • Concept creation and presentations to the executive board and department heads

  • Coordination and delegation of tasks with specialist departments and international subsidiaries

  • Project management of restructuring a role-based Active Directory and Azure permission management (international implementation)

  • Development of a naming convention concept

  • Creation of Group Policy Objects (GPOs)

  • Scheduling and task distribution

  • Employee training

  • Introduction, planning and management of patch management

  • PowerShell development and process automation

  • Interface development using PowerShell between Microsoft Navision and Active Directory as well as SQL Servers

  • Data synchronization using PowerShell between SAP HCM and Active Directory

  • Planning, implementation and automation of Active Directory permission management

  • Redesign of data storage in the file system and file server migration

  • Automation of NTFS file system permissions

  • DFS-N and DFS-R planning and implementation

  • Development of a user self-service for delegating permission assignments to specialist departments

  • PowerShell scripts for automating processes in Microsoft Exchange

  • Domain integration of multiple international subsidiaries

  • Software packaging with DSM and Windows 10 rollout via DSM

  • 2nd level support for clients and servers

Mar 2012 - Dec 2012
10 months
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HAWE Hydraulik SE

  • Software packaging with ENTEO 6.1 and DSM 7
  • Upgrade and infrastructure change from ENTEO 6.1 to DSM 7 (11 locations and 12 servers)
  • Development of PowerShell scripts for Active Directory and SQL queries and modifications
  • Custom interface between Discovery, DSM and Active Directory
  • Remote management of BIOS settings for Lenovo computers
  • General automation scripts
  • Setup of Windows Server 2008 R2 servers
  • Implementation of BitLocker to Go including PKI
  • GPO optimization
  • 2nd level support and problem management
May 2011 - Mar 2012
11 months
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HAWE Hydraulik SE

  • Software packaging with ENTEO 6.1
  • Software compatibility testing for Windows 7
  • Customizing Windows 7 and Office 2010
  • Creation of GPOs for Windows 7
  • 2nd level support
Jun 2010 - Mar 2011
10 months
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IT Consulting Info AG

  • Creation of GPOs for Windows Server 2008 R2 and Windows 7
  • Customizing Windows 7 and Windows Server 2008
  • Windows 7 performance optimization
  • Configuration creation for Wyse ThinClients
  • User migration in Active Directory
  • Bug fixing in the pilot phase
  • Creation of firewall rules for Windows 7
Aug 2009 - Jun 2010
11 months
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MR Systeme GmbH

  • Installation and maintenance of Windows Server 2003 and 2008 as well as Exchange 2003 and 2007 for up to 180 users
  • User support for client PCs with Windows 2000 to Windows 7
  • Troubleshooting of issues on servers, PCs, printers and software
  • Installation and maintenance of WatchGuard firewalls and VPN clients as well as site-to-site connections
Oct 2001 - Aug 2009
7 years 11 months
Remote

Managing Director

L&S Electronic Solutions LTD & Co KG

  • 1st and 2nd level support for Windows systems including remote and server administration
  • Installation and maintenance of Windows servers with 1st and 2nd level support
  • Use and administration of the ERP system (creating users, creating user groups, assigning permissions)
  • Repair of PC hardware and small server systems
  • Customer consulting and sales

Languages

German
Native
English
Advanced

Education

Jul 1999 - Aug 2001

Media Markt

Retail Salesperson · Osnabrück, Germany

Jul 1997 - Jul 1999

BBS am Pottgraben

Advanced Secondary School Certificate I · State-certified business assistant in IT · Osnabrück, Germany

Oct 1993 - Jun 1997

Wittekind Realschule

Secondary School Certificate I · Osnabrück, Germany

...and 2 more

Certifications & licenses

Az-104 Microsoft Azure Administrator

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