IT-Systemadministrator (m/w/d) Applikationsvirtualisierung, Mail & Windows Server
Core
Ensures security, availability, and lifecycle management of IT infrastructure including application virtualization, email systems, and Windows Server environments for a family-owned company with 40 locations.
Role type
Senior IT System Administrator (Infrastructure & Virtualization)
Builds
Application virtualization environments (Citrix/Xen/Proxmox), Exchange Online mail solutions, and centralized Windows Server/Active Directory services.
Domain
Enterprise IT Infrastructure, Application Virtualization, Identity Management
Required skills
Application virtualization (Citrix, Xen, Proxmox, Parallels RAS), Exchange Online & Microsoft 365, Windows Server (2019/2025) & Active Directory, ITIL Service Management, IT Security & Compliance, Vendor Management & Budgeting
Preferred skills
Experience with Microsoft Defender, Barracuda MailArchiv, CodeTwo, Entra ID
Technologies
Citrix, Xen, Proxmox, Parallels RAS, Exchange Online, Microsoft Defender, Barracuda, CodeTwo, Windows Server 2019/2025, Active Directory, Entra ID, ITIL
Responsibilities
Manage and evolve application virtualization environments; Operate and optimize Exchange Online and security tools; Administer Windows Server and Active Directory landscapes; Handle IT service incidents, requests, and changes; Participate in security risk analyses and audit documentation; Plan procurement and manage service lifecycles and budgets; Lead technical improvement projects.
Seniority
Mid-level to Senior, hands-on IC