
System Administrator – Windows Server, Networks, Virtualization
Green Secure GmbH
full-time
Posted on:
Location Type: Office
Location: Bremerhaven • Germany
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Salary
💰 €48,000 - €60,000 per year
About the role
- Analyze and resolve complex IT incidents
- Manage and administer Windows Server environments
- Maintain Active Directory and user structures
- Operate Terminal Server and Remote Desktop Services (RDS) environments
- Administer Microsoft 365 / Entra ID / Exchange Online
- Support networks, firewalls, and VPN connections
- Implement backup and security concepts
- Analyze existing IT infrastructures at customer sites
- Execute technical aspects of IT projects and system migrations
- Document systems and actions taken
Requirements
- Experience in Windows Server administration
- Experience with Active Directory
- Experience with Microsoft 365 / Entra ID
- Experience with Terminal Server / Remote Desktop Services
- Knowledge of networking (routing, VLANs, VPN)
- Experience in virtualization (e.g., Hyper-V or VMware)
- Knowledge of backup systems
- Understanding of IT security fundamentals
- Strong troubleshooting and problem‑analysis skills
- Vocational training as an IT Specialist for System Integration (Fachinformatiker Systemintegration) or equivalent experience
- Several years of experience in system administration or in an IT systems house
- Good knowledge of Windows Server environments
- Experience with Microsoft 365 and modern cloud services
- Understanding of networks and IT infrastructure
- Structured and independent working style
- Clear and professional communication with customers
- Driver's license class B
Benefits
- Work in a small, experienced team
- Short decision-making paths without corporate hierarchies
- Varied customer environments
- Significant technical responsibility and room for design
- Hands-on projects rather than pure ticket handling
- Long-term prospects in a stable IT systems house
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
Windows Server administrationActive DirectoryMicrosoft 365Entra IDTerminal ServerRemote Desktop Servicesnetworkingvirtualizationbackup systemsIT security fundamentals
Soft Skills
troubleshootingproblem analysisstructured working styleindependent working styleclear communicationprofessional communication
Certifications
IT Specialist for System Integration