CareerPlan

Windows Administrator (m/w/d)

Köln, NORDRHEIN_WESTFALENFull-time2026-11-06 → 2026-11-11
Hybrid

Core

Administration, maintenance, and optimization of Windows server landscapes, Active Directory, DNS, DHCP, and Microsoft 365/Exchange environments.

Role type

Windows Administrator

Builds

IT infrastructure stability and security for internal users

Domain

Enterprise IT Infrastructure

Deliverable

infrastructure

Required skills

Windows Server administration, Active Directory, Group Policies, DNS, DHCP, Microsoft 365, Exchange, Virtualization (VMware, Hyper-V), IT Security, Backup and Recovery

Preferred skills

Analytical problem solving, structured approach, reliability

Technologies

Windows Server, Active Directory, DNS, DHCP, Microsoft 365, Exchange, VMware, Hyper-V

Responsibilities

Administration, maintenance, and development of Windows server landscape; Management and optimization of Active Directory, DNS, and DHCP; Administration of Microsoft 365 and Exchange environments; Execution of error analysis and support in 2nd and 3rd-level support; Monitoring of system availability and performance using monitoring tools; Planning and implementation of updates, patches, and security measures; Participation in IT infrastructure projects and technical rollouts; Creation and maintenance of system documentation; Management of user accounts, group policies, and access rights.

Seniority

Mid-level to Senior, hands-on IC