CareerPlan

IT-Systemadministrator (m/w/d)

Köln, NORDRHEIN_WESTFALENFull-time2026-10-05 → 2026-10-08
Hybrid

Core

Managing and evolving a modern IT infrastructure including servers, virtualization, security, and 2nd/3rd level support.

Role type

Senior IT System Administrator

Builds

Stable and reliable IT operations, network environments, and security concepts.

Domain

Enterprise IT Infrastructure

Deliverable

infrastructure

Required skills

Windows Server administration, Active Directory, Microsoft 365, Virtualization (VMware, Hyper-V), Network infrastructure (Routing, Switching, VPN), Backup solutions, PowerShell/Shell scripting

Preferred skills

IT-Security concepts, Migration and Rollout projects

Responsibilities

Administration and monitoring of Windows/Linux servers and virtualization environments, Managing Active Directory and Microsoft 365, Troubleshooting in 2nd and 3rd level support, Implementing backup, monitoring, and patch management, Maintaining permission and security concepts, Collaborating with internal departments and external IT service providers

Seniority

Senior, hands-on IC