IT-Systemadministrator - Cloud & Infrastructure (m/w/d)

We are looking for an experienced system engineer to operate, design, and build critical IT infrastructure and modern cloud environments. The ideal candidate will take responsibility for the design and operation of complex IT infrastructures, have in-depth practice in Microsoft and cloud technologies, and have excellent understanding of network, security, and identity management.

Requirements

• Operation, development, and hardening of Microsoft 365-, Azure-, and Windows-Infrastructures
• Administration of classical Windows server environments (AD, GPO, DNS, DHCP, file services)
• Planning and operation of network and security infrastructures (VLAN, VPN, firewalls, PKI)
• Ensuring backup, virtualization, and VDI solutions (Veeam, ESXi/Proxmox, Citrix)
• Active participation in security measures, audits, and hardening concepts
• Documentation, automation, and structured operation with modern tools
• Multiple years of experience in operating complex IT infrastructures
• In-depth practice in Microsoft and cloud technologies
• Excellent understanding of network, security, and identity management
• Solid Linux knowledge in server administration
• Hands-on mentality, self-initiative, and quality consciousness