CareerPlan

IT-System Engineer (m/w/d)

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

Core

Operating, optimizing, and expanding modern IT infrastructure including servers, directories, and cloud environments.

Role type

Senior System Engineer (Infrastructure)

Builds

Stable IT operations, security standards, and modernized infrastructure projects.

Domain

IT Infrastructure & Operations

Required skills

Windows Server administration, Active Directory, Microsoft 365, Entra ID, Virtualization, Backup & Recovery, Networking (Routing, DNS, DHCP, Firewalling), IT Security, PowerShell automation

Preferred skills

Linux environments, Infrastructure modernization projects

Responsibilities

Administration and optimization of Windows Server, Active Directory, and Microsoft 365 environments; Managing virtualization, backup, and monitoring solutions; Analyzing complex system failures and providing 2nd/3rd-level support; Planning and executing infrastructure projects (modernization, migration, automation); Developing security standards and supporting IT security measures; Administering and optimizing network components, VPNs, and firewalls.

Seniority

Senior, hands-on IC