Andreas E. - IT Consulting / Entrepreneur

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Nortrup, Germany

Experience

Feb 2025 - Present

10 months

Hamburg, Germany

IT Consultant | Schilderdienst Schadhauser

IT Services, Consulting and Integration

Implementing and optimizing Microsoft 365 DNS configurations for a stable and secure environment
Strategic consulting on Microsoft 365 solutions and their value for the company
Analyzing and improving internal business processes through targeted use of Microsoft 365 tools
Developing a customized deployment plan for Microsoft 365 to automate processes and boost efficiency
Advising on and executing the migration from Google Workspace to Microsoft 365, including data transfer and user management
Advising on data migration best practices to ensure a smooth and secure transition
Consulting and planning a backup strategy to ensure data integrity and recoverability
Managing Entra ID (Azure AD), including user/group controls, conditional access, and MFA for Microsoft 365

Nov 2024 - Apr 2025

6 months

Bochum, Germany

External - Deputy IT Manager

Procivitate gGmbH

Coordinating and managing IT projects in close collaboration with external stakeholders and internal teams
Regular reporting and communication with decision-makers, including progress and risk analyses
Advising executives on IT strategies and governance policies, and their implementation in business processes
Managing compliance with GDPR and GoBD, including policy development and audit preparation
Conducting ongoing security assessments and optimizations to adapt to current threat scenarios
Leading and coordinating IT security measures to protect IT infrastructure and cloud services
End-to-end project management of the Microsoft 365 suite, including implementation, security, and governance

Oct 2024 - Jun 2025

9 months

Wiesbaden, Germany

CI/CD Engineer | ITZBund

IT Services and Integration

Orchestration and job management for efficient control of IT processes and workflows
Managing source code with version control systems to ensure code integrity and traceability
Task, project, and knowledge management to optimize team collaboration and documentation
Automation and configuration management for a standardized and scalable IT infrastructure
IT process automation by integrating and optimizing CI/CD pipelines and script-based solutions
Creating and maintaining technical documentation to ensure best practices and knowledge management
Python scripting for module development, including automation and extension of existing systems

Jun 2024 - Present

1 year 6 months

Bochum, Germany

Systems Engineer | Procivitate gGmbH

IT Services and Integration

Developing and implementing security strategies in Microsoft 365 to protect cloud infrastructure
Advising on, consolidating, and implementing endpoints and IT components for a robust and scalable IT environment
PowerShell scripting for automating and fulfilling custom requirements in Microsoft 365 and Windows environments
Expert consulting on Exchange Online and SharePoint Online, including migration, management, and optimization
Compliance management in Microsoft 365 according to GDPR and GoBD, including security policies and audit plans
Ongoing security assessments and optimizations to adapt to current threat scenarios
Hardening Office 365 according to proven IT security frameworks (e.g., NIST, CIS, BSI baseline protection)
Planning, configuring, and managing UniFi networks (Ubiquiti), including Wi-Fi controllers and switches for stable and scalable network environments

Apr 2024 - Present

1 year 8 months

Cologne, Germany

Systems Engineer, Consulting | Euratraders GmbH

IT Services and Integration

Advising, consolidating, and implementing IT solutions to optimize the system landscape
Planning and implementing NAS solutions for scalable and secure storage infrastructures
Developing and launching new web platforms, including system architecture and deployment
Conducting domain and email migrations, including data transfer and configuration management
Integrating and migrating Linux operating systems, including optimization and security concepts
IT troubleshooting and error analysis to ensure a stable system environment
Implementing and configuring Nextcloud for powerful collaboration solutions

Jun 2022 - Jul 2024

2 years 2 months

Wiesbaden, Germany

System Engineer Application Operations | ITZBund

IT-Dienstleistung- und Integration

Project support in new IT initiatives with focus on infrastructure setup and provision according to BSI IT baseline protection
Analysis, planning, and implementation of infrastructure requirements for application operations in project-based integrations
Setup, configuration, and operation of web services and application servers, including Apache2, Wildfly, Tomcat, and JBoss
Scripting & automation with Bash to address custom requirements and support system operations
Ensuring security-compliant system configurations according to internal IT security guidelines and BSI security modules
Administration and operation of Linux servers (RHEL & SUSE Linux Enterprise Server) within the system landscape
Planning and executing migrations from SUSE-based systems to Red Hat Enterprise Linux (RHEL)
2nd-level support in the Linux server environment, including ticket handling, error analysis, and sustainable problem resolution

Jul 2021 - Present

4 years 5 months

Wiesbaden, Germany

Systems Engineer | System Vertrieb Alexander GmbH

IT-Dienstleistung- und Integration

Analysis, design & implementation of product suite requirements to optimize the IT environment
Consulting, coordination & consolidation of IT systems & components in the areas of infrastructure, organization & control
Integration & migration of infrastructure components & network services, including Exchange, file & domain migrations
Development & implementation of custom software for process automation & efficiency improvement
Creation & maintenance of technical documentation for sustainable IT administration
IT project management & coordination of end-to-end migration projects
Integration & migration of Linux operating systems & solutions, including optimization & security hardening
2nd- & 3rd-level support for Linux environments, error analysis & troubleshooting
Installation and management of Proxmox Backup Server
Successful implementation and management of Isilon storage systems to optimize data management and storage
Management and optimization of virtualization environments with Linux and KVM
Providing remote support and error analysis
Project management & coordination of IT infrastructure to ensure smooth IT operations

Feb 2021 - Aug 2021

7 months

Essen, Germany

Systems Engineer & Project Management | InCase Handelsgesellschaft mbH

IT-Dienstleistung- und Integration

Implementation of digital workplace tools (Office 365) to increase efficiency and improve collaboration
Preparation and secure migration of data for SharePoint Online and file servers
Creation and design of SharePoint sites to optimize user experience and information management
Participation in daily meetings with C-level managers to optimize business processes
Training end users in SharePoint, Microsoft Teams, and OneDrive Business to promote technology adoption
Leading the migration from Exchange on-premises to Exchange Online to modernize the email infrastructure
Consulting on integrating Microsoft Books into SharePoint and websites for using digital resources
Developing concepts for using Microsoft Streams 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 implementing security policies and site connections
Setting up Microsoft Intune for mobile device management to enhance data security
Providing first- and second-level support for quick problem resolution for IT users
Managing Entra ID (Azure AD), including user/group management, conditional access & MFA for Microsoft 365

Jan 2021 - Mar 2021

3 months

Erkrath, Germany

Systems Engineer | BiolytiQs GmbH

IT-Dienstleistung- und Integration

Successful migration of an SBS 2008 server to Windows Server 2019, including implementing network services like DNS, DHCP, and file services
Implementing AD Connect for domain synchronization to enable single sign-on (SSO) between on-premises and Office 365
Optimizing workflows by advising on automation with Microsoft Flow
Installing and configuring Veeam Backup & Replication; regularly validating backup jobs and recovery processes to ensure data integrity
Integrating a Synology NAS server to improve storage solutions and simplify data access
Training staff in Microsoft Teams to enhance collaboration and communication
Managing Entra ID (Azure AD), including user/group management, conditional access & MFA for Microsoft 365
Deploying, managing, and administering Sophos Firewall, Managed Detection and Response (MDR), and endpoint security solutions

Jul 2020 - Aug 2021

1 year 2 months

Mettmann, Germany

Senior Systems Engineer | IT Pre-Sales | Project Manager | MAIT Germany GmbH

IT-Dienstleistung- und Integration

Analysis, planning & implementation of product suite requirements to optimize IT processes
Consulting, coordination & consolidation of IT systems & components (IT infrastructure, organization & control)
Integration & migration of infrastructure components & network services, including Exchange, file & domain migrations
Creating technical documentation & developing training & presentation materials for knowledge transfer
Migration & integration of on-premises solutions into Microsoft 365, including strategic rollout
Building intranet & team sites and integrating them 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 protection and recovery processes
Project management & coordination of IT infrastructure projects in close collaboration with clients

Feb 2019 - Jun 2020

1 year 5 months

Cologne, Germany

Junior IT System Administrator

Greenpocket GmbH

Developing and integrating product suite requirements.
Procuring, managing and providing IT systems and components
Installing, maintaining, automating and deploying heterogeneous IT systems
Creating technical documentation
Integrating and administering collaboration and developer services (GitLab, Mattermost, Jira, Confluence)
Supporting MS Active Directory, DHCP and DNS
Implementing and managing Veeam Backup
Managing and configuring PFSense firewalls

Feb 2018 - Jan 2019

1 year

Cologne, Germany

IT System Administrator

Another Monday

Planning, designing and integrating comprehensive IT infrastructures to optimize business processes
Procuring, managing and providing IT systems and components for an efficient IT environment
Installing, maintaining and administering heterogeneous IT systems and cloud services (on-premise & hybrid environments)
Creating and maintaining technical documentation to ensure transparency and traceability
Integrating and administering collaboration and development platforms as well as cloud services
Providing in-house support and technical assistance for smooth IT operations
Hands-on experience with migrations, transitions and operation of Sophos firewall systems, and administration of security endpoint solutions

Aug 2017 - Jan 2018

6 months

Bad Homburg, Germany

System Integrator

UHER Electronic GmbH

Planning, provisioning and integrating custom software components for tailored IT solutions
Installing, configuring and managing Microsoft products as well as Linux distributions (Red Hat, Ubuntu & other derivatives)
Implementing and operating Nagios monitoring systems for proactive system monitoring
Integrating and optimizing search engine solutions (ELK-Stack, Solr) for efficient data analysis and indexing
Creating and maintaining technical documentation to ensure transparency and maintainability
Version control with Git & SVN for efficient management of development processes
Packaging for Linux distributions, including customization and deployment
Integrating and managing firewalls to secure the IT infrastructure

Aug 2014 - Jul 2017

3 years

Cologne, Germany

IT Specialist in System Integration (Vocational Training)

UTS innovative Softwaresysteme GmbH

Planning and provisioning of server and client systems for a stable and high-performance IT infrastructure
Advising and designing network infrastructures, including security and performance optimization
Installing, configuring and managing Microsoft products and Linux distributions
Implementing and operating in-house monitoring solutions for system monitoring
Data center support and maintenance for a reliable IT environment
Creating and maintaining technical documentation for smooth processes and knowledge management
Managing and handling support requests via the OTRS ticket system
Conducting and overseeing Office 365 migrations, including user management and security settings

Summary

More than 8 years of experience in planning, managing, and automating secure Linux environments (RHEL, SUSE, Ubuntu, Debian). Strong focus on infrastructure hardening, compliance (BSI IT baseline protection), CI/CD processes, backup strategies, as well as security and monitoring solutions. Effective in mixed environments with critical infrastructure experience.