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Andrej FriedemannAF

Andrej Friedemann

IT Systems Engineer

€750/day
Worms, DE
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Andrej

IT Systems Engineer with over 15 years of experience in system administration, IT infrastructure, and cloud migrations.

Proven expertise in Windows Server, Microsoft Exchange (On-Premises to Cloud), Hyper-V, Active Directory, M365 / Entra, VDI/Citrix, AWS/Azure, and network technology.

Used across industries in public administration (13,000 clients), gaming, automotive, social welfare, healthcare, and IT system houses.

Known for goal-oriented problem-solving, independent work, and consistently high customer satisfaction.
  • German

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Worms (up to 50km)

Experience

  • Bedag Informatik AG
    Senior ICT Systems Engineer
    PUBLIC SECTOR
    March 2024 - December 2025 (1 year and 9 months)
    Bern, Switzerland
    Senior ICT Systems Engineer – Canton of Bern (Bedag Informatik AG)
    Operational support 3rd Level Support and Engineering in the CDO / Client Engineering team for the Canton of Bern: approx. 13,000 clients in 8 administration domains, highly available infrastructure.

    Support for the rollout of new Workplace environments Windows 10 VDI (2024) and migration to Windows 11 VDI (2025), HP fat client support, support and change implementation in MS-AD environment with application servers and development environments, group policies, MS DNS, DFS/VSS, FSLogix profile management, roaming profiles and folder redirection.

    Citrix DaaS and NetScaler administration. PowerShell development (including multi-domain rights management script). Exchange user administration (ECP) and SharePoint administration. Advanced troubleshooting for network (incl. VPN tunnel configuration, Genesys telephony software), certificate and signature problems, staging layer in ISE. Change implementation via MS Configuration Manager (SCCM) incl. BITS configuration, AppV - and RemoteApp management.

    Technologies: Windows 10/11, Windows Server, Active Directory (Multi-Domain), Group Policies, MS Configuration Manager (SCCM), Citrix DaaS/NetScaler, FSLogix, MS Entra ID, MS Exchange (ECP), SharePoint, DFS/VSS, ServiceNow, Jira/Confluence, PowerShell, AppV, RemoteApp
    Microsoft Exchange Active Directory 3rd Level Support Windows Server Citrix
  • Travian Games GmbH
    IT Systems Engineer
    VIDEO GAMES AND ANIMATION
    April 2023 - November 2023 (7 months)
    Munich, Germany
    Lead migration of MS Exchange On-Premises to Exchange Online with own PowerShell script solution for group migration. Planning and execution of the complete mail system migration incl. mailbox transfer, DNS changeover, and cutover.

    Hybrid identity setup with Active Directory in AWS, Azure AD Connect, and Federated Authentication for cloud service integration. Setup of a highly available SQL and Remote Desktop environment with MS products. Active Directory domain renaming from .local to .com incl. schema upgrade. Migration of data storage to Synology NAS and server environment to Windows Server 2022. Development of administrative PowerShell scripts incl. modules for Microsoft Graph / AzureAD, MSO, and Exchange Online. In the team, migration of Jira, Confluence, and Bitbucket to Atlassian Cloud.

    Technologies: Exchange On-Premises, Exchange Online, MS Entra ID, Microsoft Intune, PowerShell (incl. Microsoft Graph/AzureAD/MSO modules), Atlassian Cloud, Hyper-V, Synology, Veeam, Windows Server 2022, MSSQL
    Microsoft Exchange Active Directory Microsoft Azure AWS Microsoft SQL Server
  • Firebird IT (Einzelunternehmen)
    Self-employed IT Service Provider
    DIGITAL AND IT
    January 2022 - Today (4 years and 7 months)
    Worms, HE, Germany
    Support for the IT of various SMEs. Support, client deployment, server migration (Windows Server), mail system migrations (e.g., to Exchange Online). WLAN surveys and setups, network technology, and IT conception. Clients in healthcare, crafts, logistics, among others.

    Technologies: Windows Server, Exchange Online, M365, Network Technology, WLAN, Sophos Security Solutions.
    Microsoft Exchange Windows Server Microsoft Entra ID Active Directory IT Support

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Education

  • Mittlere Reife
    Elisabeth-Gymnasium, Mannheim, DE
    2007
  • Uhland-Grundschule
    1998

Skill set

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