Andreas E. - IT Consulting / Entrepreneur

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Nortrup, Germany

Experience

Feb 2025 - Present

8 months

Hamburg, Germany

IT Consultant | Schilderdienst Schadhauser

IT-Dienstleistung- Beratung- und Integration

Implementation & optimization of Microsoft 365 DNS configurations for a stable & secure environment
Strategic consulting on Microsoft 365 solutions and their value for the company
Analysis & optimization of internal business processes through targeted use of Microsoft 365 tools
Development of a customized implementation plan for Microsoft 365 for process automation & efficiency improvement
Consulting & execution of migration from Google Workspace to Microsoft 365, including data transfer & user management
Advising on best practices for data migration to ensure a smooth & secure transition
Consulting & planning of a backup strategy to ensure data integrity & recoverability
Management of Entra ID (Azure AD), including user/group management, conditional access & MFA for Microsoft 365

Nov 2024 - Apr 2025

6 months

Bochum, Germany

External - Deputy Head of IT

Procivitate gGmbH

Coordination & management of IT projects in close collaboration with external stakeholders & internal teams
Regular reporting & communication with decision-makers, including progress & risk analyses
Advising executives on IT strategies & governance policies, as well as their implementation in company processes
Compliance management for GDPR & GoBD, including policy development & audit preparation
Continuous security assessments & optimizations to adapt to current threat scenarios
Project leadership & coordination of IT security measures to secure IT infrastructure & cloud services
Overall project management of the Microsoft 365 suite, including implementation, security & governance

Oct 2024 - Jun 2025

9 months

Wiesbaden, Germany

CI / CD Engineer | ITZBund

IT-Dienstleistung- und Integration

Orchestration & job management for efficient control of IT processes & workflows
Source code management using version control systems to ensure code integrity & traceability
Task, project & knowledge management to optimize team collaboration & documentation
Automation & configuration management for a standardized & scalable IT infrastructure
IT process automation through integration & optimization of CI/CD pipelines & script-based solutions
Creation & maintenance of technical documentation to ensure best practices & knowledge management
Python scripting for module development, including automation & extension of existing systems

Jun 2024 - Present

1 year 4 months

Bochum, Germany

Systems Engineer | Procivitate gGmbH

IT-Dienstleistung- und Integration

Development & implementation of security strategies in Microsoft 365 to secure cloud infrastructure
Consultation, consolidation & implementation of endpoints & IT components for a robust & scalable IT environment
PowerShell scripting for automation & fulfillment of custom requirements in Microsoft 365 & Windows environments
Specialist consulting for Exchange Online & SharePoint Online, including migration, administration & optimization
Compliance management in Microsoft 365 according to GDPR & GoBD, including security policies & audit concepts
Continuous security assessments & optimizations to adapt to current threat scenarios
Hardening of Office 365 according to established IT security frameworks (e.g., NIST, CIS, BSI IT-Grundschutz)
Planning, configuration, and management of UniFi networks (Ubiquiti), including Wi-Fi controllers and switches to implement stable and scalable network environments

Apr 2024 - Present

1 year 6 months

Cologne, Germany

Systems Engineer, Consulting | Euratraders GmbH

IT-Dienstleistung- und Integration

Consulting, consolidation & implementation of IT solutions to optimize the system landscape
Planning & implementation of NAS solutions for scalable & secure storage infrastructures
Development & introduction of new web platforms, including system architecture & deployment
Execution of domain & email migrations, including data transfer & configuration management
Integration & migration of Linux operating systems, including optimization & security concepts
IT troubleshooting & error analysis to ensure a stable system environment
Implementation & configuration of 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 a focus on building and delivering infrastructure according to BSI IT-Grundschutz
Analyzing, planning, and implementing infrastructure requirements for application operations as part of project-based integrations
Setting up, configuring, and running web services and application servers, including Apache2, Wildfly, Tomcat, and JBoss
Scripting and automation with Bash to meet individual 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, troubleshooting, and sustainable problem resolution

Jul 2021 - Present

4 years 3 months

Wiesbaden, Germany

Systems Engineer | System Vertrieb Alexander GmbH

IT-Dienstleistung- und Integration

Analysis, design, and implementation of product suite requirements to optimize the IT environment
Consulting, coordination, and consolidation of IT systems and components in the areas of infrastructure, organization, and management
Integration and migration of infrastructure components and network services, including Exchange, file, and domain migrations
Development and implementation of custom software for process automation and efficiency improvement
Creation and maintenance of technical documentation for sustainable IT administration
IT project management and oversight of end-to-end migration projects
Integration and migration of Linux operating systems and solutions, including optimization and hardening
2nd- and 3rd-level support for Linux environments, troubleshooting, and problem solving
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 troubleshooting
Project control and 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

Implementing Digital Workplace tools (Office 365) to increase efficiency and improve collaboration.
Preparing and securely migrating data for SharePoint Online and file servers.
Creating and designing SharePoint sites to optimize user experience and information management.
Participating in daily meetings with C-level managers to improve 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.
Advising on integrating Microsoft Books into SharePoint and websites for using digital resources.
Developing concepts for using Microsoft Streams to enhance internal communication.
Administering and supporting Cisco Meraki network infrastructures, including setting up access points, switches, and firewalls via the cloud-based dashboard, and implementing security policies and site connections
Setting up Microsoft Intune for mobile device management to improve data security.
Providing first- and second-level support for quick issue resolution for IT users
Managing Entra ID (Azure AD), including user/group management, conditional access, and MFA for Microsoft 365

Jan 2021 - Mar 2021

3 months

Erkrath, Germany

Systems Engineer | BiolytiQs GmbH

IT-Dienstleistung- und Integration

Successfully migrated an SBS 2008 server to Windows Server 2019, implementing network services like DNS, DHCP, and file services.
Implemented AD Connect for domain synchronization to enable single sign-on (SSO) between on-premises and Office 365.
Optimized workflows by advising on automation with Microsoft Flow.
Installed and configured Veeam Backup & Replication; regularly validated backup jobs and recovery processes to ensure data integrity.
Integrated a Synology NAS server to enhance storage solutions and simplify data access.
Trained staff in Microsoft Teams to boost collaboration and communication.
Managed Entra ID (Azure AD), including user/group management, conditional access, and MFA for Microsoft 365
Provided, managed, and administered 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, and implementation of product suite requirements to optimize IT processes
Consulting, coordination, and consolidation of IT systems and components (IT infrastructure, organization, and management)
Integration and migration of infrastructure components and network services, including Exchange, file, and domain migrations
Creating technical documentation and developing training and presentation materials for knowledge transfer
Migrating and integrating on-premises solutions into Microsoft 365, including strategic planning
Building intranet and team sites and integrating them into Microsoft Teams to create a digital workplace
2nd- and 3rd-level support for Windows and Linux environments, including troubleshooting and issue resolution
Migrating from Arcserve to Veeam Backup to improve data protection and recovery processes
Project management and 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

Development and integration of product suite requirements.
Purchasing, management and provisioning of IT systems and components
Installation, maintenance, automation and deployment of heterogeneous IT systems
Creation of technical documentation
Integration and administration of collaboration and developer services (GitLab, Mattermost, Jira, Confluence)
Support for MS Active Directory, DHCP and DNS
Implementation and management of Veeam Backup
Management and configuration of pfSense firewalls

Feb 2018 - Jan 2019

1 year

Cologne, Germany

IT System Administrator

Another Monday

Planning, design and integration of end-to-end IT infrastructures to optimize business processes
Procurement, management and provisioning of IT systems and components for an efficient IT environment
Installation, maintenance and administration of heterogeneous IT systems and cloud services (on-premise and hybrid environments)
Creation and maintenance of technical documentation to ensure transparency and traceability
Integration and administration of collaboration and development platforms as well as cloud services
Provision of in-house support and technical assistance for smooth IT usage
Hands-on experience in migrations, transitions and operation of Sophos firewall systems, and administration of the security endpoint solution

Aug 2017 - Jan 2018

6 months

Bad Homburg, Germany

System Integrator

UHER Electronic GmbH

Planning, provisioning and integration of custom software components for tailor-made IT solutions
Installation, configuration and management of Microsoft products as well as Linux distributions (Red Hat, Ubuntu and other derivatives)
Implementation and operation of Nagios monitoring systems for proactive system monitoring
Integration and optimization of search engine solutions (ELK stack, Solr) for efficient data analysis and indexing
Creation and maintenance of technical documentation to ensure transparency and maintainability
Version control with Git and SVN for efficient management of development processes
Package creation for Linux derivatives, including customization and deployment
Firewall integration and management 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
Consulting and design of network infrastructures, including security and performance optimization
Installation, configuration and management of Microsoft products and Linux distributions
Implementation and operation of in-house monitoring solutions for system monitoring
Data center support and maintenance for a reliable IT environment
Creation and maintenance of technical documentation for smooth processes and knowledge management
Management and handling of support requests via the OTRS ticket system
Execution and management of Office 365 migrations, including user administration and security settings

Summary

More than 8 years of experience in designing, administering, and automating secure Linux environments (RHEL, SUSE, Ubuntu, Debian). Strong focus on infrastructure hardening, compliance (BSI IT-Grundschutz), CI/CD processes, backup strategies as well as security and monitoring solutions. Efficient in heterogeneous environments with experience in critical infrastructure (KRITIS).