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Sebastian Blath

AZ-104 Microsoft Azure Administrator

Sebastian Blath
Munich, Germany

Experience

May 2025 - Feb 2025
-1 years -2 months

AZ-104 Microsoft Azure Administrator

Continuing Education

Aug 2024 - Present
1 year 7 months

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

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

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

EDEKA Rechenzentrum Süd Betriebs GmbH

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

Audi AG

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

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

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

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

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

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

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

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

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

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (11 years), Manufacturing (7 years), Government and Administration (2.5 years), Insurance (1 year), Education (0.5 years), and Automotive (0.5 years).

Information Technology
Manufacturing
Government and Administration
Insurance
Education
Automotive

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (22 years), Customer Service (8.5 years), Sales (8 years), Project Management (5.5 years), and Operations (1 year).

Information Technology
Customer Service
Sales
Project Management
Operations

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

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Sebastian based?

Sebastian is based in Munich, Germany.

What languages does Sebastian speak?

Sebastian speaks the following languages: German (Native), English (Advanced).

How many years of experience does Sebastian have?

Sebastian has at least 22 years of experience. During this time, Sebastian has worked in at least 3 different roles and for 15 different companies. The average length of individual experience is 1 year and 5 months. Note that Sebastian may not have shared all experience and actually has more experience.

What roles would Sebastian be best suited for?

Based on recent experience, Sebastian would be well-suited for roles such as: AZ-104 Microsoft Azure Administrator, New Active Directory Deployment, Managing Director.

What is Sebastian's latest experience?

Sebastian's most recent position is AZ-104 Microsoft Azure Administrator at Continuing Education.

What companies has Sebastian worked for in recent years?

In recent years, Sebastian has worked for Continuing Education, BITMARCK Technik GmbH, Polizei Hessen, Technische Hochschule Aschaffenburg, and EDEKA Rechenzentrum Süd Betriebs GmbH.

Which industries is Sebastian most experienced in?

Sebastian is most experienced in industries like Information Technology (IT), Manufacturing, and Government and Public Administration. Sebastian also has some experience in Insurance, Education, and Automotive.

Which business areas is Sebastian most experienced in?

Sebastian is most experienced in business areas like Information Technology (IT), Customer Service, and Sales. Sebastian also has some experience in Project Management and Operations.

Which industries has Sebastian worked in recently?

Sebastian has recently worked in industries like Information Technology (IT), Government and Public Administration, and Insurance.

Which business areas has Sebastian worked in recently?

Sebastian has recently worked in business areas like Information Technology (IT).

What is Sebastian's education?

Sebastian attended Media Markt for Retail Salesperson.

Does Sebastian have any certificates?

Sebastian has 1 certificate: Az-104 Microsoft Azure Administrator.

What is the availability of Sebastian?

Sebastian is immediately available for suitable projects.

What is the rate of Sebastian?

Sebastian's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Sebastian?

To hire Sebastian, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200
900
600
300
Market avg: 950-1110 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.