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September 15, 2026
IT Administrator / Systems Administrator
Senior • On-site
54,000 - 78,000 EUR/yr
Herzogenrath, Germany
Apply now
Quick Facts
Role: IT Administrator / Systems Administrator (m/w/d)
Focus: Centralized Windows on-prem infrastructure administration, security monitoring, and IT project delivery
Description
You will manage and administer centralized Windows workplaces and an on-prem server landscape, including centralized software distribution, evaluation of new software, and update management. You will monitor the IT infrastructure, assess CVE events, and implement appropriate measures independently. You will plan, document, and develop IT projects and infrastructure end-to-end, driving improvements in security, stability, and efficiency.
Responsibilities
Administer centralized Windows workstations and the on-prem server environment
Distribute and manage centralized software; evaluate new software; own update management
Monitor IT infrastructure, evaluate CVE events, and implement remediation measures
Plan, document, and develop IT projects and infrastructure from start to ongoing support
Actively improve internal IT security, stability, and efficiency
Requirements
Fachinformatiker for System Integration with more than 5 years of operational IT administration experience
Very good Windows client/server administration skills (Windows 10/11, Server 2016 and newer) and PowerShell automation
Experience with Active Directory On-Prem, GPO, filesystems, and CA
Good CLI administration knowledge for Debian-based servers
Experience with virtualization platforms (VMware ESXi or Proxmox) and network components
Strong security awareness and understanding of the impact of changes in a corporate infrastructure
Thorough troubleshooting approach and accountability for systems and projects (planning through implementation to ongoing support)
Self-driven continuous learning and genuine interest in IT
Benefits
Opportunity to take ownership of a varied IT infrastructure with structured work and documentation
Chance to shape and continuously develop the IT landscape, with potential growth toward IT department lead
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