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Markus Halbedel

Senior IT-Infrastructure, Cloud & Security Consultant

Markus Halbedel
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Kaufbeuren, Germany

Experience

Jul 2025 - Present
9 months
Munich, Germany
Hybrid

Senior M365 Consultant

BITMARCK GmbH

Expertise details
Position Summary
Senior M365 Consultant at BITMARCK GmbH
Industries
Healthcare
Information Technology
Business Areas
Information Technology

Developing concepts for the M365 implementation, especially for tenants, Entra ID, Entra Connect, and Exchange Online, following BAS standards (mandatory baseline security requirements) in the "M365 Concept" project, aiming to apply the concepts to Bitmarck's M365 environments and hand them over to the client.

  • Conducting an as-is analysis of existing M365 environments, on-premise setups, and BAS standards.
  • Creating concepts for tenants, Entra ID, Entra Connect, and Exchange Online according to BAS standards
  • Designing and implementing an automated solution to create standardized M365 tenants based on Microsoft M365 DSC (Desired State Configuration)
  • Applying the concepts to the M365 environments
  • Preparing detailed technical documentation
Feb 2024 - Present
2 years 2 months
Kempten, Germany
Hybrid

Senior Cloud & Security Consultant

Dachser SE

Expertise details
Position Summary
Senior Cloud & Security Consultant at Dachser SE
Industries
Transportation
Business Areas
Information Technology

Evaluating and implementing cloud solutions based on Microsoft Azure.

  • Evaluating and implementing cloud security solutions in the identity area.
  • Zero Trust architecture with Conditional Access, MFA, Identity Protection
  • Privileged Identity Management (PIM) and role-based access control (RBAC)
  • Evaluating and implementing on-premise security solutions in Microsoft Active Directory (Identity).
  • AD tiering model according to Microsoft Best Practices including Kerberos hardening
  • PAW concept (Privileged Access Workstations)
  • Active Directory security analyses Methods, tools, and technologies: Microso
Sep 2023 - Jan 2024
5 months
Frankfurt, Germany
Remote

Senior Messaging Consultant

Landesbank Hessen-Thüringen Girozentrale (HELABA)

Expertise details
Position Summary
Senior Messaging Consultant at Landesbank Hessen-Thüringen Girozentrale (HELABA)
Industries
Banking and Finance
Business Areas
Information Technology

Supporting the implementation and customization of configuration changes in the local Exchange infrastructure (on-premises mail server) as well as in the hybrid environment.

  • Planning and executing pilot and large-scale migrations of mailboxes to Exchange Online.
  • Providing technical support for the migration of user mailboxes, room and equipment mailboxes, and public folders.
  • Assisting the project manager in technical discussions and decision-making processes.
Feb 2023 - Dec 2023
11 months
Magdeburg, Germany
Remote

Exchange Architect

T-Systems Multimedia Solutions GmbH

Expertise details
Position Summary
Exchange Architect at T-Systems Multimedia Solutions GmbH
Industries
Information Technology
Business Areas
Information Technology
  • Concept for introducing enhanced email security by labeling externally received emails
  • Concept for accessing Exchange resources for users, administrators, and applications via a standardized Microsoft Graph API
  • Analysis and evaluation of the existing Exchange antivirus/antispam solution
  • Planning, concept, and company-wide rollout of new Exchange features, e.g., dynamic distribution groups
  • Methods, tools, and technologies: Microsoft Active Directory, Microsoft Azure Active Directory, Microsoft 365, Microsoft Exchange Online, Exchange 2019, PowerShell, Microsoft Graph, email security
  • Environment: International hybrid Exchange infrastructure with approx. 165,000 mailboxes (15,000 on-premises / 150,000 online)
Jan 2023 - Jun 2024
1 year 6 months
Remote

Senior Consultant

Balluff GmbH

Expertise details
Position Summary
Senior Consultant at Balluff GmbH
Industries
Manufacturing
Business Areas
Information Technology
  • Analysis and concept for migrating the on-premises email systems to a private cloud and to Microsoft 365 (Exchange Online)
  • Replacing the existing on-premises SMTP gateway with a cloud solution
  • Migrating the existing email archiving system to a cloud solution
  • Planning, concept, and company-wide rollout of new email features, such as signature software
  • Methods, tools, and technologies: Microsoft Active Directory, Microsoft Azure Active Directory, Microsoft 365, Exchange Online, Exchange 2016, PowerShell, email security, Defender for Office
  • Environment: International hybrid Exchange infrastructure with approx. 3,000 mailboxes
Nov 2021 - Jul 2022
9 months
Remote

Senior Consultant

Simon Hegele GmbH

Expertise details
Position Summary
Senior Consultant at Simon Hegele GmbH
Industries
Information Technology
Transportation
Business Areas
Information Technology
  • Planning and piloting a mail migration from Exchange 2016 to Exchange Online / M365
  • Planning and implementing the security and compliance settings in M365
  • Active Directory 2016 consolidation, Azure Active Directory management
  • Methods, tools, and technologies: Microsoft Active Directory, Microsoft Azure Active Directory, MS Office 365, Exchange Online, AAD Connect, PowerShell scripts, M365 Information Protection, Data Loss Prevention, Conditional Access, MFA, Compliance
  • Environment: International IT environment with about 3,000 users
Sep 2020 - Jun 2021
10 months
Mindelheim, Germany
Hybrid

Cloud Consultant

Rathgeber GmbH & Co. KG

Expertise details
Position Summary
Cloud Consultant at Rathgeber GmbH & Co. KG
Industries
Information Technology
Business Areas
Information Technology
  • Planning and building a hybrid Active Directory for MS Intune
  • Planning and building an MDM environment based on Microsoft Azure Intune (Microsoft Endpoint Manager)
  • Intune configuration profiles, Conditional Access, and multi-factor authentication
  • Intune Autopilot and modern app management via Intune
  • Windows Virtual Desktop integration for business access
  • Methods, tools, and technologies: Microsoft Endpoint Manager (Intune), Microsoft Windows Virtual Desktop, MS Office 365, Exchange Online, Azure AD Connect, MS Azure (PaaS, IaaS, Azure Active Directory), PowerShell scripts
  • Environment: International IT environment with about 300 users
Aug 2020 - Feb 2023
2 years 7 months
Kempten, Germany
Hybrid

Senior Consultant

Dachser SE

Expertise details
Position Summary
Senior Consultant at Dachser SE
Industries
Transportation
Business Areas
Information Technology
  • Planning and piloting a mail migration from Lotus Notes to Exchange Online / M365
  • Planning and piloting a Microsoft Teams rollout / Microsoft 365
  • Planning and implementing the security and compliance settings in M365
  • Active Directory 2016, Azure Active Directory management, identity management: role concepts
  • Methods, tools, and technologies: Microsoft Active Directory, Microsoft Azure Active Directory, MS Office 365, Exchange Online, AAD Connect, ADFS, PowerShell scripts, M365 Information Protection, Data Loss Prevention, Conditional Access, MFA, Compliance
  • Environment: International IT environment with about 30,000 users
Nov 2019 - May 2020
7 months
Vaduz, Liechtenstein
Hybrid

Senior Cloud Consultant / Architect

Hoval AG

Expertise details
Position Summary
Senior Cloud Consultant / Architect at Hoval AG
Industries
Manufacturing
Business Areas
Information Technology
  • Supporting the Exchange Online transformation
  • Design and management of Advanced Threat Protection (ATP) and spam management with SPF, DKIM, DMARC
  • Implementing email compliance with Exchange Online
  • Planning the Microsoft Exchange / Exchange Online migration
  • Configuring and migrating email-dependent services for Exchange Online
  • Methods, tools, and technologies: MS Office 365, Exchange Online, Azure AD Connect, Microsoft Azure Active Directory, PowerShell scripts
  • Environment: International IT environment with about 2,000 users
Sep 2019 - Jan 2020
5 months
Salzburg, Austria
On-site

Senior Consultant / Architect

Uni Mozarteum Salzburg

Expertise details
Position Summary
Senior Consultant / Architect at Uni Mozarteum Salzburg
Industries
Education
Business Areas
Information Technology
  • Analyzing the existing IT infrastructure
  • Concept for transforming the existing Micro Focus environment into a Microsoft world
  • Planning the migration of Micro Focus eDirectory to Microsoft Active Directory & Azure AD
  • Planning the migration from Micro Focus Groupwise to Exchange / Exchange Online
  • Introducing O365 and Azure, including Azure services
  • Planning an MDM environment based on Microsoft Azure Intune
  • Methods, tools, and technologies: MS Office 365, Exchange Online, Azure AD Connect, Microsoft Azure Intune, MS Azure (PaaS, IaaS, Azure Active Directory), migration tools for Micro Focus Groupwise, PowerShell scripts
  • Environment: IT environment with about 3,000 users
Apr 2019 - Aug 2019
5 months
Traunreut, Germany
On-site

Senior Consultant

Siteco Beleuchtungstechnik GmbH

Expertise details
Position Summary
Senior Consultant at Siteco Beleuchtungstechnik GmbH
Industries
Manufacturing
Business Areas
Information Technology
  • Assistance with the carve-out from the Osram parent company into an independent IT infrastructure
  • Concept and prototyping for an Office 365 tenant-to-tenant migration
  • Planning and building a new internal PKI infrastructure
  • Planning and building an MDM environment based on Microsoft Azure Intune
  • Setting up an Exchange hybrid environment
  • Implementing a patch management solution based on WSUS and SCCM
  • Windows Virtual Desktop integration for Business Access
  • Methods, tools and technologies: Microsoft Windows Virtual Desktop, Exchange 2016, MS Office 365, Exchange Online, Azure AD Connect, Microsoft Azure Intune, MS Azure (PaaS, IaaS, Azure Active Directory), PowerShell scripts
  • Environment: international IT environment with about 2,000 users
Jul 2018 - Feb 2019
8 months
Ingolstadt, Germany
On-site

Senior Consultant

MediaMarktSaturn

Expertise details
Position Summary
Senior Consultant at MediaMarktSaturn
Industries
Retail
Business Areas
Information Technology
Project Management
  • Analysis of the existing IT infrastructure to plan an international carve-out
  • Planning and high-level concept of a future Active Directory infrastructure
  • Planning and high-level concept of a migration strategy for the carve-out
  • Methods, tools and technologies: agile project management, Microsoft Active Directory, Exchange 2016, MS Office 365, Exchange Online, AAD Connect, Azure AD, ADFS, Quest Migration Manager, various internal applications
  • Environment: international IT infrastructure with about 60,000 users/clients, 5,000 servers, 1,200 applications, 1,200 locations
Jan 2018 - Jul 2019
1 year 7 months

Senior Consultant

First Attribute AG

Expertise details
Position Summary
Senior Consultant at First Attribute AG
Industries
Information Technology
Business Areas
Information Technology
  • Office 365 (Exchange Online) concepts and migrations
  • Exchange 2016 concepts and migrations
  • Active Directory, Azure AD Identity Management
  • Methods, tools and technologies: Microsoft Exchange 2010–2016, MS Office 365, Exchange Online, AAD Connect, ADFS, PowerShell scripts
  • Environment: various international SMEs and Enterprises
Oct 2016 - Dec 2017
1 year 3 months

Exchange 2016 Architect

Bilfinger Global IT GmbH

Expertise details
Position Summary
Exchange 2016 Architect at Bilfinger Global IT GmbH
Industries
Information Technology
Business Areas
Information Technology
  • Office 365 (Exchange Online) concepts and migrations
  • Exchange 2016 concepts and migrations
  • Automation with Desired State Configuration (DSC)
  • Active Directory, ADFS & AAD Connect
  • Methods, tools and technologies: Microsoft Exchange 2010–2016, MS Office 365, Exchange Online, AAD Connect/DirSync, ADFS, PowerShell scripts, Desired State Configuration
  • Environment: resource forest with 60 account forests, 55,000 mailboxes
May 2016 - Sep 2016
5 months
Zürich, Switzerland
On-site

Senior Consultant

Microsoft Schweiz GmbH

Expertise details
Position Summary
Senior Consultant at Microsoft Schweiz GmbH
Industries
Information Technology
Business Areas
Information Technology
  • Office 365 (Exchange Online) concepts and migrations
  • ADFS & AAD Connect
  • Microsoft cloud computing with Azure
  • Exchange concepts and migrations
  • Active Directory
  • Methods, tools and technologies: Microsoft Exchange 2010–2016, MS Office 365, Exchange Online, AAD Connect/DirSync, AD FS, Azure (PaaS, IaaS, Azure Active Directory), PowerShell scripts
Apr 2015 - Mar 2016
1 year

Senior System Engineer / Consultant

Baggenstos AG

Expertise details
Position Summary
Senior System Engineer / Consultant at Baggenstos AG
Industries
Information Technology
Business Areas
Information Technology
  • Office 365 (Exchange Online) concepts and migrations
  • ADFS & DirSync
  • Microsoft cloud computing with Azure
  • Exchange 2016 TAP program, Exchange 2013 concepts and migrations
  • Active Directory & system management
  • Setup, configuration and operation of VMware infrastructures
  • Setup, configuration and operation of Hyper-V infrastructures
  • Methods, tools and technologies: Microsoft Exchange 2010–2016, Azure (PaaS, IaaS, Azure Active Directory), VMware ESXi 5.0–6.0, Hyper-V 2012 R2, PowerShell scripts
Apr 2013 - Dec 2014
1 year 9 months

Senior Consultant / Senior Systems Engineer

Axept Webcall AG (Swisscom AG)

Expertise details
Position Summary
Senior Consultant / Senior Systems Engineer at Axept Webcall AG (Swisscom AG)
Industries
Telecommunication
Business Areas
Information Technology
  • GroupWise migrations to Exchange 2013 with Dell Coexistence & Migration Manager
  • Inter- & intra-forest email migrations to Exchange 2013
  • Integration of subsystems with Exchange 2013 (TMG, BlackBerry, email archive, Lync)
  • Exchange 2013 enterprise infrastructure concepts
  • Remote access solutions for Exchange 2013
  • Office 365 concepts and migrations
  • Swisscom Managed Communications & Collaboration
  • Methods, tools and technologies: Exchange 2010/2013, Dell Coexistence Manager for GroupWise, Dell Migrator for GroupWise, Dell Migrator for Exchange, Sophos UMT, PowerShell scripts, Excel
Dec 2011 - Mar 2013
1 year 4 months

Infrastructure Specialist / Senior Systems Engineer

SCOR SE

Expertise details
Position Summary
Infrastructure Specialist / Senior Systems Engineer at SCOR SE
Industries
Insurance
Business Areas
Information Technology
  • Cross-forest integration / migration of Exchange 2003/2007 environments into an Exchange 2010 organization
  • Active Directory and Exchange coexistence with Quest Collaboration Manager
  • Exchange administration, infrastructure concepts
  • Integration of subsystems with Exchange 2010 (GOOD for Enterprise, BlackBerry, email archive, GOOD Dynamics)
  • Methods, tools and technologies: Microsoft Exchange 2007/2010, Quest Collaboration Manager, GOOD for Enterprise, GOOD Dynamics, PowerShell scripts, Excel
Mar 2010 - Nov 2011
1 year 9 months

Senior Consultant / Senior Systems Engineer

Axept AG

Expertise details
Position Summary
Senior Consultant / Senior Systems Engineer at Axept AG
Industries
Information Technology
Business Areas
Information Technology
  • Various email migrations to Exchange 2010
  • Integration of subsystems with Exchange 2010 (TMG, BlackBerry, email archive, Lync/OCS)
  • Windows 2008 R2 concepts and installations
  • Exchange 2010 enterprise infrastructure concepts
  • TMG concepts and installations
  • Methods, tools and technologies: Exchange 2010, Quest Migration Manager for Exchange, Windows Server 2008/2008 R2, Microsoft TMG 2010, PowerShell scripts
Jul 2009 - Feb 2011
1 year 8 months

VMware ESX Engineer

SCOR SE

Expertise details
Position Summary
VMware ESX Engineer at SCOR SE
Industries
Insurance
Business Areas
Information Technology
  • Setup of VMware ESX 3.x and vSphere 4.0 environments
  • Configuration and operation of VMware infrastructure
  • Virtualization of server systems with VMware ESX 3.5
  • Infrastructure upgrade to vSphere 4.0
  • Methods, tools and technologies: VMware ESX 3.5, vSphere 4.0, NetApp storage, Windows Server 2003/2008, PowerShell scripts
Nov 2008 - Jun 2009
8 months

Exchange 2007 Specialist / Engineer

SCOR Switzerland Ltd

Expertise details
Position Summary
Exchange 2007 Specialist / Engineer at SCOR Switzerland Ltd
Industries
Insurance
Business Areas
Information Technology
  • Cross-forest integration / migration of Exchange 2003/2007 environments into a unified Exchange organization
  • Domain and Exchange migrations using Quest Migration Manager
  • Exchange virtualization on VMware ESX 3.5
  • NetApp storage connections to Exchange
  • Exchange infrastructure concepts and designs
  • Email archive migration from Zantaz Exchange Archive to Legato Email Xtender
  • Methods, tools and technologies: VMware ESX 3.5, Exchange 2003/2007, NetApp storage, Zantaz & Legato email archive, PowerShell scripts
Apr 2008 - Oct 2008
7 months

IT Infrastructure System Engineer / Consultant

Axept AG

Expertise details
Position Summary
IT Infrastructure System Engineer / Consultant at Axept AG
Industries
Information Technology
Business Areas
Information Technology
  • Various email migrations to Exchange 2007
  • Exchange virtualization on VMware ESX 3.x
  • NetApp storage connections to Exchange 2007
  • Exchange infrastructure concepts and designs
  • ISA 2006 concepts and installations
  • Methods, tools and technologies: VMware ESX 3.x, Exchange 2007, NetApp storage, ISA 2006
Jul 2007 - Mar 2008
9 months
Switzerland

Exchange 2007 Specialist / Consultant

Converium AG

Expertise details
Position Summary
Exchange 2007 Specialist / Consultant at Converium AG
Industries
Insurance
Business Areas
Information Technology
  • Lotus Domino to Exchange 2007 migration
  • Integration and operation of the Exchange 2007 environment in the existing IT landscape
  • Connecting the Exchange 2007 environment to the Zantaz Exchange Archive server
  • Methods, tools and technologies: Lotus Notes Domino, Microsoft Exchange 2007, Zantaz email archive
Jan 2007 - May 2007
5 months
Germany

Technical Consultant - Microsoft Exchange 2007 Migration

Münchener Rückversicherung

Expertise details
Position Summary
Technical Consultant - Microsoft Exchange 2007 Migration at Münchener Rückversicherung
Industries
Insurance
Business Areas
Information Technology
  • Setting up a feature lab based on the Exchange 2007 RTM version
  • Creating a high-level concept for Exchange 2007 (feature list, migration strategies, dependencies, requirements, prerequisites)
  • Developing a detailed concept (deployment guide) with a rough cost estimate
  • Methods, tools and technologies: Microsoft Exchange 2003, Exchange 2007
Sep 2006 - Dec 2006
4 months
Germany

Technical Consultant - Microsoft Vista Pre-Study

Münchener Rückversicherung

Expertise details
Position Summary
Technical Consultant - Microsoft Vista Pre-Study at Münchener Rückversicherung
Industries
Insurance
Business Areas
Information Technology
Quality Assurance
  • Setting up a test environment to evaluate the Microsoft Vista client
  • Compatibility testing of client software in use
  • Evaluating new features and functions
  • Methods, tools and technologies: Microsoft Vista
Jan 2006 - Jul 2006
7 months

Technical Consultant / Microsoft Infrastructure

Magazinpresse Verlag GmbH

Expertise details
Position Summary
Technical Consultant / Microsoft Infrastructure at Magazinpresse Verlag GmbH
Industries
Media and Entertainment
Business Areas
Information Technology
  • Microsoft Windows Active Directory
  • Microsoft Exchange 2003 update and patch management
  • Implementation of Microsoft SMS 2003
  • Packaging of software products
  • Software distribution based on RIS and SMS 2003
  • Methods, tools and technologies: Active Directory 2003, Exchange 2003, Microsoft SMS 2003
Aug 2005 - Dec 2005
5 months
Germany

IT Consultant / Exchange Specialist

INA - Schaeffler KG

Expertise details
Position Summary
IT Consultant / Exchange Specialist at INA - Schaeffler KG
Industries
Automotive
Manufacturing
Business Areas
Information Technology
Operations
  • Migration of MS Exchange 5.5 sites to Exchange 2003
  • Operation, monitoring and third-level support of the worldwide Exchange 2003 infrastructure
  • Design and implementation of Exchange 2003 extensions
  • Methods, tools and technologies: Active Directory 2003, Exchange 2003
Sep 2001 - Jun 2005
3 years 10 months
Sydney, Australia

Senior Systems Engineer / Project Manager

Munich Reinsurance Company of Australasia

Expertise details
Position Summary
Senior Systems Engineer / Project Manager at Munich Reinsurance Company of Australasia
Industries
Insurance
Business Areas
Information Technology
Project Management
  • Design and implementation of storage systems (SAN / NAS)
  • Design and implementation of disaster recovery solutions including server virtualization
  • Technical project manager for infrastructure projects and rollouts in Australia and Asia
  • Implementation and operation of Windows 2000/2003, AD, Exchange 2000/2003 for all sites (16)
  • Migration of all NT4 domains into a single Windows 2000 domain
  • Migration from Exchange 5.5 to Exchange 2000/2003 at all regional sites
  • Remote access strategy, SMS 2.0 implementation, Citrix Metaframe 1.8 migration
  • Methods, tools and technologies: Active Directory sites with 22 DCs, 500 clients
Oct 2000 - Aug 2001
11 months

Technical Consultant - Windows/Exchange 2000

Munich Reinsurance

Expertise details
Position Summary
Technical Consultant - Windows/Exchange 2000 at Munich Reinsurance
Industries
Insurance
Business Areas
Information Technology
  • Rollout of a Windows 2000 / Exchange 2000 environment including Active Directory in a single forest/multi-domain
  • Installation, configuration and testing of a worldwide Windows 2000 / AD environment
  • Migration from Exchange 5.5 to Exchange 2000
  • Remote access strategy, backup/restore and disaster recovery concepts
  • Methods, tools and technologies: Active Directory 2000, Exchange 2000
Jan 2000 - Sep 2000
9 months

Technical Consultant - Exchange 5.5

Munich Reinsurance

Expertise details
Position Summary
Technical Consultant - Exchange 5.5 at Munich Reinsurance
Industries
Insurance
Business Areas
Information Technology
  • 2nd and 3rd level support for Exchange 5.5
  • Introduction and testing of Exchange 5.5 tools
  • Performance tuning and monitoring
  • Administrative tasks
  • Methods, tools and technologies: Exchange 5.5
Oct 1999 - Dec 1999
3 months
Germany

Technical Consultant - Software Distribution

Hypo Vereinsbank

Expertise details
Position Summary
Technical Consultant - Software Distribution at Hypo Vereinsbank
Industries
Banking and Finance
Business Areas
Information Technology
  • Support and preparatory measures for software distribution in all German bank branches
  • Methods, tools and technologies: Windows NT 4.0
May 1999 - Sep 1999
5 months

Technical Consultant / Project Coordination

Verlag Moderne Industrie AG

Expertise details
Position Summary
Technical Consultant / Project Coordination at Verlag Moderne Industrie AG
Industries
Media and Entertainment
Business Areas
Information Technology
Project Management
  • Designing and implementing a Windows NT 4 infrastructure (4 sites, about 450 clients)
  • Implementing Exchange 5.5 at all locations
  • Implementing a Microsoft SMS 2.0 infrastructure
  • IT security concepts
  • Methods, tools and technologies: NT 4.0, Novell Netware 3.12, SQL 7.0, SMS 2.0, Exchange 5.5
Nov 1998 - Apr 1999
6 months

Technical Consultant - Microsoft Products

Müller Milch GmbH

Expertise details
Position Summary
Technical Consultant - Microsoft Products at Müller Milch GmbH
Industries
Food and Beverage
Business Areas
Information Technology
  • Supporting the existing Windows NT 4.0 infrastructure
  • Rollout concepts for Windows NT 4.0
  • Europe-wide migration from MS Mail 3.5 to Exchange 5.5
  • Implementing Microsoft SMS 2.0
  • Methods, tools and technologies: NT 4.0, Novell Netware 3.12, SQL 7.0, SMS 2.0, Exchange 5.5
Jul 1998 - Sep 1998
3 months
Munich, Germany

Technical Consultant - DMS / Archiving

Sercon GmbH

Expertise details
Position Summary
Technical Consultant - DMS / Archiving at Sercon GmbH
Industries
Information Technology
Business Areas
Information Technology
  • Advising customers on document management and archiving solutions
  • Methods, tools and technologies: NT 4.0, Lotus Notes, SAP/R3 Archive Link, AIX, HP-UX
Jul 1996 - Jun 1998
2 years

IT Specialist

Sana Kliniken GmbH

Expertise details
Position Summary
IT Specialist at Sana Kliniken GmbH
Industries
Healthcare
Business Areas
Customer Service
Information Technology
  • Design, implementation and operation of the entire IT infrastructure
  • Helpdesk tasks
  • Hardware/software support
  • Participation in IT projects
  • Methods, tools and technologies: NT 4.0, Novell Netware 3.12, ERP software, ISDN, RAS, SQL, SMS 1.2, Exchange 4.0/5.0
May 1991 - May 1994
3 years 1 month

IT Manager

Photo retail chain with 40 stores

Expertise details
Position Summary
IT Manager at Photo retail chain with 40 stores
Industries
Retail
Business Areas
Information Technology
  • Operation and support of all IT and cash register systems in the branches
  • Implementation and management of an inventory management system
  • Methods, tools and technologies: WfW 3.11, Novell Netware 3.12, Office 4.3, Navision

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Insurance, Information Technology, Transportation, Retail, Healthcare, and Manufacturing.

Insurance
Information Technology
Transportation
Retail
Healthcare
Manufacturing
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Project Management, Customer Service, Quality Assurance, and Operations.

Information Technology
Project Management
Customer Service
Quality Assurance
Operations
Profile match chart

Summary

For over 30 years I have been helping international companies untangle, transform, and securely move complex IT infrastructures into modern cloud environments. I specialize in Microsoft-based infrastructures, Identity & Access Management, Cloud Security, and infrastructure architecture – focusing on environments where there is "no easy solution".

My main areas:

  • Microsoft 365 & Azure: Identity, Security, Compliance
  • Exchange OnPrem ↔ Cloud migrations (20 to 150,000 mailboxes)
  • Active Directory, Entra ID, Hybrid Environments
  • Cloud Security & Conditional Access, MFA, Defender
  • MDM & Microsoft Intune
  • Integration of AI technologies (e.g., Copilot, MS Graph + AI, GPT-powered automation)
  • Project roles from consultant and architect to crisis solver

I work hands-on, strategically, and across technologies. If you are looking for a Senior Consultant who not only knows the tools but understands scenarios – and now expands them with the possibilities of modern AI technologies – then I look forward to challenges.

Skills

Cloud Services

  • Microsoft Azure (Iaas, Paas)
  • Microsoft Office 365 (Exchange, Teams, Sharepoint/onedrive)
  • Microsoft Azure Active Directory
  • Microsoft Endpoint Management (Intune)
  • Azure Virtual Desktop
  • Azure Ad Connect
  • Veeam Cloud Connect
  • Bittitan Cloud Migration Suite

Operating Systems

  • Ms Windows 2000 - Windows 10
  • Ms Windows Server Nt 3.51 - 2019
  • Linux (Redhat, Suse, Ubuntu)
  • Vmware Vsphere, Esx(i) Server 2.x – 6.x
  • Hyper-v 2008 – 2016
  • Novell Netware 3.x – 4.x
  • Unix (Sco, Solaris -> Fundamentals)

Directory Services

  • Microsoft Azure Active Directory
  • Microsoft 365 Identity Management
  • Microsoft Active Directory, Windows 2000 – 2019
  • Novell Netware 3.11 – 4.x

Programming Languages / Tools

  • Microsoft Visual Code
  • Microsoft Powershell
  • Python 3.x
  • Scripting

Authentication / Security

  • Authentication And Encryption Technologies
  • Microsoft 365 Security Management
  • Microsoft 365 Compliance Management
  • Email Authentication (Spf, Dkim, Dmarc)
  • Microsoft Advanced Threat Protection / Defender
  • Ms Software Update Server / Wsus
  • Vpn/ip Sec Technologies
  • Adfs
  • Antivirus Products: Mcafee, Trendmicro, Sophos

Communication & Collaboration

  • Ms Exchange 4.0 - 2019
  • Skype For Business, Teams
  • Microsoft Office 365
  • Blackberry Enterprise Server
  • Good For Enterprise

Management Tools

  • Microsoft Intune (Device Management)
  • Quest Migrator For Exchange
  • Quest Migrator For Active Directory
  • Quest Coexistence Manager For Groupwise
  • Quest Migrator For Groupwise
  • Quest Notes Migrator
  • Quest Consolidator
  • Quest Active Roles
  • Quest Collaboration
  • Ms System Center Configuration Manager
  • Email Archiving Systems
  • Symantec Netbackup
  • Legato Backup
  • Tivoli Backup

Databases

  • Ms Sql Server 6.x – 2016
  • Oracle 7.3, 8.1
  • Ms Access

Hardware

  • Dell Poweredge
  • Various Load Balancers
  • Hp Proliant Series
  • Hp 3par
  • Netapp Filer

Virtualization

  • Vmware
  • Microsoft Hyper-v

Languages

German
Native
English
Advanced

Education

Oct 1991 - Jun 1993

Munich Chamber of Industry and Commerce

Certified Trade Specialist · Inventory Management · Munich, Germany

Oct 1988 - Jun 1990

Munich University of Applied Sciences

Vehicle Technology · Munich, Germany

Certifications & licenses

AI Engineer Core Track: LLM Engineering, RAG, QLoRA, Agents

Udemy (Ed Donner)

AI Leadership Track: Gen AI, Agentic AI for Business Leaders

Udemy (Ed Donner)

Microsoft Azure Security Engineer MCSE: Communication

Microsoft

MCSA: Microsoft Office 365

Microsoft

MCSE: Messaging

VMware 5.5 Certified Professional

MCITP: Enterprise Messaging Administrator 2010

MCTS: Microsoft Lync Server 2010

MCTS: Windows Server® 2008 R2, Server Virtualization

VMware 4.0 Certified Professional

VMware 3.5 Certified Professional

MCITP: Enterprise Messaging Administrator 2007

MCSE 2003

ITIL - Foundation Certification in IT Service Management

RHCE (Linux Red Hat Certified Engineer)

MCT (Microsoft Certified Trainer)

MCSE NT4 (Microsoft Certified Systems Engineer)

IT Network Specialist

Statistics

Experience

Total positions 36
Experience in Insurance 10.5 y
Avg length 1 y
Longest experience 3 y 9 m

Global Experience

Countries worked in 5 (Germany, Switzerland, Liechtenstein, Austria, Australia)
Primary country Germany

Expertise

Recent roles Senior M365 Consultant, Senior Cloud & Security Consultant, Senior Messaging Consultant
Main industries Insurance, Information Technology, Transportation
Main business areas Information Technology, Project Management, Customer Service

Qualifications

Certifications earned 18

Profile

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Frequently asked questions

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

Where is Markus based?

Markus is based in Kaufbeuren, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Markus speak?

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

How many years of experience does Markus have?

Markus has at least 31 years of experience. During this time, Markus has worked in at least 29 different roles and for 31 different companies. The average length of individual experience is 1 year and 10 months. Note that Markus may not have shared all experience and actually has more experience.

What roles would Markus be best suited for?

Based on recent experience, Markus would be well-suited for roles such as: Senior M365 Consultant, Senior Cloud & Security Consultant, Senior Messaging Consultant.

What is Markus's latest experience?

Markus's most recent position is Senior M365 Consultant at BITMARCK GmbH.

What companies has Markus worked for in recent years?

In recent years, Markus has worked for BITMARCK GmbH, Dachser SE, Landesbank Hessen-Thüringen Girozentrale (HELABA), T-Systems Multimedia Solutions GmbH, and Balluff GmbH.

Which industries is Markus most experienced in?

Markus is most experienced in industries like Insurance, Information Technology, and Transportation. Markus also has some experience in Retail, Healthcare, and Manufacturing.

Which business areas is Markus most experienced in?

Markus is most experienced in business areas like Information Technology, Project Management, and Customer Service. Markus also has some experience in Operations and Quality Assurance.

Which industries has Markus worked in recently?

Markus has recently worked in industries like Transportation, Information Technology, and Manufacturing.

Which business areas has Markus worked in recently?

Markus has recently worked in business areas like Information Technology.

What is Markus's education?

Markus attended Munich Chamber of Industry and Commerce for Inventory Management.

Does Markus have any certificates?

Markus has 18 certificates. Among them, these include: AI Engineer Core Track: LLM Engineering, RAG, QLoRA, Agents, AI Leadership Track: Gen AI, Agentic AI for Business Leaders, and Microsoft Azure Security Engineer MCSE: Communication.

What is the availability of Markus?

Markus will be available part-time from May 2026.

What is the rate of Markus?

Markus'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 Markus?

To hire Markus, 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.

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Rate comparison chart
Market avg: 900-1060 €
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.