Andreas E. - IT Consultant | Schilderdienst Schadhauser

Go to Website

Nortrup, Germany

Experience

Feb 2025 - Present

7 months

Hamburg, Germany

IT Consultant | Schilderdienst Schadhauser

IT Service, Consulting and Integration

Implementation & optimization of Microsoft 365 DNS configurations for a stable & secure environment
Strategic consulting on Microsoft 365 solutions and their benefits for the company
Analysis & optimization of internal business processes through targeted use of Microsoft 365 tools
Development of a tailored deployment concept 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 control, 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, and their implementation into business processes
Compliance management for GDPR & GoBD, including policy development & audit preparation
Continuous security assessments & optimizations to adapt to current threat scenarios
Project management & coordination of IT security measures to secure the IT infrastructure & cloud services
End-to-end project control of the Microsoft 365 suite, including implementation, security & governance

Oct 2024 - Jun 2025

9 months

Wiesbaden, Germany

CI/CD Engineer | ITZBund

IT Service, Consulting and 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 3 months

Bochum, Germany

Systems Engineer | Procivitate gGmbH

IT Service, Consulting and Integration

Development & implementation of security strategies in Microsoft 365 to secure the cloud infrastructure
Consulting, consolidation & implementation of endpoints & IT components for a robust & scalable IT environment
PowerShell scripting for automation & fulfillment of individual requirements in Microsoft 365 & Windows environments
Expert 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 based on proven IT security frameworks (e.g., NIST, CIS, BSI basic protection)
Planning, configuration, and management of UniFi networks (Ubiquiti), including WLAN controllers and switches to implement stable & scalable network environments

Apr 2024 - Present

1 year 5 months

Cologne, Germany

Systems Engineer, Consulting | Euratraders GmbH

IT Service, Consulting and Integration

Consulting, consolidation & implementation of IT solutions to optimize the system landscape
Planning & implementation of NAS solutions for scalable & secure storage infrastructures
Development & rollout 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 Service, Consulting and Integration

Project support in new IT initiatives with a focus on infrastructure setup and provisioning according to BSI IT basic protection
Analysis, planning, and implementation of infrastructure requirements for application operations within project-based integrations
Setup, configuration, and operation of web services and application servers, including Apache2, Wildfly, Tomcat, and JBoss
Bash scripting & automation to meet individual requirements and support system operations
Ensuring security-compliant system configurations according to internal IT security policies 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 handling, error analysis, and sustainable problem solving

Jul 2021 - Present

4 years 2 months

Wiesbaden, Germany

Systems Engineer | System Vertrieb Alexander GmbH

IT Service, Consulting and 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 & management
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 & hardening
2nd & 3rd level support for Linux environments, error analysis & troubleshooting
Installation & administration of Proxmox Backup Server
Successful implementation & management of Isilon storage systems to optimize data management & storage
Management & optimization of virtualization environments with Linux and KVM
Providing remote support & error analysis
Project control & 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 Service, Consulting and 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 the integration of Microsoft Books into SharePoint and websites for digital resource utilization
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 implementation of security policies and site networking
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
Management of Entra ID (Azure AD), including user/group control, Conditional Access & MFA for Microsoft 365

Jan 2021 - Mar 2021

3 months

Erkrath, Germany

Systems Engineer | BiolytiQs GmbH

IT Service, Consulting and Integration

Successful migration of an SBS 2008 server to Windows Server 2019 with implementation of network services such as DNS, DHCP, and file services
Implementation of AD Connect for domain synchronization for single sign-on (SSO) between on-premises and Office 365
Optimization of workflows through consulting on automation with Microsoft Flow
Installation and configuration of Veeam Backup & Replication; regular validation of backup jobs and recovery processes to ensure data integrity
Integration of a Synology NAS server to improve storage solutions and simplify data access
Training employees in Microsoft Teams to enhance collaboration and communication
Management of Entra ID (Azure AD), including user/group control, Conditional Access & MFA for Microsoft 365
Deployment, management and administration of 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 Service, Consulting and Integration

Analysis, planning & implementation of product suite requirements to optimize IT processes
Consulting, coordination & consolidation of IT systems & components (IT infrastructure, organization & governance)
Integration & migration of infrastructure components & network services, including Exchange, file & domain migrations
Creation of technical documentation & development of training & presentation materials for knowledge transfer
Migration & integration of on-premises solutions into Microsoft 365, including strategic implementation
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

Development and integration of product suite requirements
Procurement, management, and provisioning of IT systems and IT 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 with MS Active Directory, DHCP and DNS
Introduction 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 & integration of holistic IT infrastructures to optimize business processes
Procurement, management & provisioning of IT systems & components for an efficient IT environment
Installation, maintenance & administration of heterogeneous IT systems & cloud services (on-premise & hybrid environments)
Creation & maintenance of technical documentation to ensure transparency & traceability
Integration & administration of collaboration & development platforms as well as cloud services
Providing in-house support & technical assistance for smooth IT usage
Hands-on experience with migrations, transitions, and operation of Sophos firewall systems, administration of endpoint security solutions

Aug 2017 - Jan 2018

6 months

Bad Homburg, Germany

System integrator

UHER Electronic GmbH

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

Summary

More than 4 years of experience planning, administering and automating secure Linux environments (RHEL, SUSE, Ubuntu, Debian). Strong focus on infrastructure hardening, compliance (BSI basic protection), CI/CD processes, backup strategies as well as security and monitoring solutions. Efficient in heterogeneous environments with KRITIS experience.