Senior IT-Administrator (m/w/d)
Core
Administration, operation, and optimization of complex Windows Server and client landscapes, including Active Directory, DNS, DHCP, Exchange, Microsoft 365, Azure, and hybrid cloud solutions.
Role type
Senior IT Administrator (Infrastructure)
Builds
IT infrastructure, virtualization platforms, and cloud environments for enterprise clients
Domain
IT Infrastructure / Enterprise Services
Required skills
Windows Server administration, Active Directory, Microsoft 365, Azure, Hybrid Cloud, VMware, Hyper-V, Backup, Storage, Monitoring, IT Security, PowerShell scripting
Preferred skills
Microsoft/Azure/VMware certifications, Network and Firewall technologies, Infrastructure as Code, Automation
Responsibilities
Administer and develop complex Windows Server and client landscapes; Plan, implement, and optimize modern IT infrastructures; Manage Active Directory, Group Policy, DNS, DHCP, and Exchange environments; Administer Microsoft 365, Azure, and hybrid cloud solutions; Manage and optimize virtualization platforms (VMware, Hyper-V); Ensure system availability, performance, and IT security; Analyze and resolve complex 2nd and 3rd-level support issues; Plan and execute migration, rollout, and infrastructure projects; Create and maintain technical documentation; Support development of IT standards, processes, and best practices; Provide technical consulting to customers and support junior administrators