Andreas E.-Modern Workplace

Operating hybrid IT infrastructures (Microsoft & Linux) at 1st/2nd level Setting up and administering a Veeam backup infrastructure Automating processes with Bash, PowerShell, and Ansible Managing Docker containers and web servers Documenting and structuring support processes

• Migrating the internal knowledge platform from Jira to MediaWiki (design, data migration, user structure)
• Further developing and modularizing existing Ansible playbooks to automate infrastructure tasks
• Administering and expanding the Linux-based server environment (Fedora, RHEL)
• Planning, operating, and optimizing a Proxmox virtualization environment, including Proxmox Backup Server
• Consolidating and strategically expanding existing applications and tools to improve efficiency
• Providing technical advice on integrating Microsoft services (M365, Exchange, Azure AD) into a heterogeneous Linux environment

• Coordination & management of IT projects in close cooperation with external stakeholders & internal teams
• Regular reporting & communication with decision-makers, including progress & risk analyses
• Advising managers on IT strategies & governance policies, as well as their implementation in business processes
• Compliance management for DSGVO & GoBD, including policy development & audit preparation
• Continuous security assessments & optimizations to adapt to current threat scenarios
• Project management & coordination of IT security measures to protect the IT infrastructure, cloud services & migration to Microsoft Azure
• Holistic project management of the Microsoft 365 Suite, including implementation, security & governance
• Technologies used: Microsoft 365 Suite (Exchange Online, SharePoint, OneDrive, Teams, Security & Compliance Center, Purview), Microsoft Azure (cloud migration, Azure Security), Entra ID (Azure Active Directory) governance, user & group policies, Microsoft Security Tools (Defender for Cloud, Defender for Office 365), compliance frameworks: DSGVO, GoBD, security standards: BSI-Grundschutz, CIS-Benchmarks Level 1

• Development & implementation of security strategies in Microsoft 365 to protect the Microsoft Azure cloud infrastructure
• Consulting, consolidation & implementation of endpoints & IT components for a robust & scalable IT environment
• PowerShell scripting for automation & implementation of individual requirements in Microsoft 365 & Windows environments
• Consulting on Exchange Online & SharePoint Online, including migration, administration & optimization
• Compliance management in Microsoft 365 according to DSGVO & GoBD, including security policies & audit concepts
• Continuous security assessments & optimizations to adapt to current threat scenarios
• Hardening of Office 365 according to proven IT security frameworks (e.g. CIS, BSI-Grundschutz)
• Planning, configuration and management of UniFi networks (Ubiquiti), including WLAN controllers and switches to create stable and scalable network environments
• Technologies used: Microsoft 365 Security (Exchange Online, SharePoint Online, OneDrive, Compliance Center, Purview), Microsoft Azure Security & Cloud Services, Entra ID (Azure Active Directory) with Conditional Access & MFA, PowerShell scripting for automation, security frameworks: CIS Benchmarks, BSI-Grundschutz, compliance management: DSGVO, GoBD, Ubiquiti UniFi network environments (WLAN controllers, switches)

• Support for new IT projects with a focus on infrastructure setup and provisioning according to BSI IT-Grundschutz
• Analysis, planning and implementation of infrastructure requirements for application operations as part of project-based integrations
• Setup, configuration and operation of web services and application servers, including Apache2, Wildfly, Tomcat and Jboss
• Scripting & automation with Bash to solve individual requirements and support system operations
• Ensuring security-compliant system configurations according to internal IT security requirements and BSI security modules
• Administration and operation of Linux servers (RHEL & SUSE Linux Enterprise Server) within the system landscape
• Planning and execution of migrations from SUSE-based systems to Red Hat Enterprise Linux (RHEL)
• 2nd-level support in the Linux server environment, including ticket processing, error analysis and sustainable problem solving

• Digital transformation: Implementation of Digital Workplace tools (Office 365) to increase efficiency and improve collaboration.
• Data migration: Preparation and secure migration of data for SharePoint Online and file servers.
• SharePoint development: Creation and design of SharePoint sites to optimize the user experience and information management.
• Process management: Participation in daily meetings with C-level managers to optimize business processes.
• User training: Training of end users in SharePoint, Microsoft Teams and OneDrive Business to promote technology adoption.
• Exchange migration: Management of the migration from Exchange On-Premises to Exchange Online to modernize the email infrastructure.
• Microsoft Bookings consulting: Consulting on the integration of Microsoft Bookings into SharePoint and websites to use digital resources.
• Microsoft Stream concept development: Development of concepts for using Microsoft Stream to improve internal communication.
• Administration and support of Cisco Meraki network infrastructures, including setup of access points, switches and firewalls via the cloud-based dashboard, as well as implementation of security policies and site networking
• MDM solutions: Setup of Microsoft Intune to manage mobile devices and improve data security.
• Support: Provision of first- and second-level support for fast problem resolution for IT users
• Administration of Entra ID (Azure AD), including user/group management, Conditional Access & MFA for Microsoft 365
• Technologies used: Microsoft 365 (Exchange Online, SharePoint Online, Teams, OneDrive, Bookings, Stream), Exchange On-Premises -> Exchange Online Migration, SharePoint Online (Sites, Design, Document Management), Microsoft Intune (MDM solution), Entra ID (Azure AD) with Conditional Access & MFA, Cisco Meraki (Access Points, Switches, Firewalls, Cloud Dashboard), First- & Second-Level Support Tools (Vendor-Neutral)

• Analysis, planning & implementation of product suite requirements to optimize IT processes
• Consulting, coordination & consolidation of IT systems & components (IT infrastructure, organization & management)
• Integration & migration of infrastructure components & network services, including Exchange, file & domain migrations
• Creation of technical documentation & development of training & presentation materials for knowledge sharing
• Migration & integration of on-premise solutions into Microsoft 365, including strategic implementation
• Development of intranet & team sites and integration into Microsoft Teams to create a Digital Workplace
• 2nd- & 3rd-level support for Windows & Linux environments, including error analysis & troubleshooting
• Migration from Arcserve to Veeam Backup to improve data backup and recovery processes
• Project management & coordination of IT infrastructure projects in close collaboration with customers
• Technologies used: Microsoft 365 (Exchange Online, SharePoint Online, OneDrive, Compliance Center), Exchange, File Servers, Domain Migrations, Intranet & Teams Sites Development, Windows & Linux (2nd- & 3rd-Level Support), Backup Solutions: Migration Arcserve -> Veeam Backup, Documentation & Presentation Tools (Vendor-Neutral)

• Planning, design & integration of holistic IT infrastructures to optimize business processes
• Procurement, management & provision of IT systems & components for an efficient IT environment
• Installation, maintenance & administration of heterogeneous IT systems & cloud services (on-premises & hybrid environments)
• Creation & maintenance of technical documentation to ensure transparency & traceability
• Integration & administration of collaboration & development platforms as well as cloud services
• Provision of in-house support & technical assistance for smooth IT usage
• Proven practical experience in migrations, transitions and operation of Sophos firewall systems, administration of the security endpoint solution
• Technologies used: Heterogeneous on-premises & hybrid IT systems (Windows + Linux), Microsoft 365 (Exchange Online, SharePoint Online, OneDrive, Compliance Center), collaboration & development platforms (Jira, Confluence, Git), Sophos firewall systems & Sophos Endpoint Security

• Planning & provision of server and client systems for a stable and high-performance IT infrastructure
• Consulting & design of network infrastructures, including security and performance optimization
• Installation, configuration & management of Microsoft products & Linux distributions
• Implementation & operation of in-house monitoring solutions for system monitoring
• Data center support & maintenance for a reliable IT environment
• Creation & maintenance of technical documentation for smooth processes & knowledge management
• Management & processing of support requests via the OTRS ticket system
• Execution & management of Office 365 migrations, including user management & security settings
• Technologies used: Microsoft server & client products (WSUS, SCCM, DNS, DHCP, Active Directory), Linux distributions (Ubuntu, CentOS), OTRS ticket system, in-house monitoring solutions (Check_MK), customer Office 365 migrations, data center operations (server/storage, Dell)