CareerPlan

IT-System-Engineer Microsoft 365 & Infrastructure (m/w/d)

Köln, NORDRHEIN_WESTFALENFull-time2026-09-14 → 2026-10-30

Core

Planning, provisioning, configuration, and maintenance of Windows domains on Active Directory, including server roles and client support via phone, remote, and on-site.

Role type

Senior IT System Engineer (Microsoft 365 & Infrastructure)

Builds

Hybrid Microsoft 365 and on-premises infrastructure environments

Domain

IT Infrastructure / Microsoft Ecosystem

Required skills

Active Directory administration, Windows Server administration, Microsoft 365 administration, Hyper-V virtualization, TCP/IP, Routing, Switching, DNS, Linux (preferred), Security solutions implementation (Antivirus, MDM, EMS)

Preferred skills

Linux, Migrations project experience, Driver's license (Class B), English language skills

Technologies

Active Directory, Windows Server, Microsoft 365, Hyper-V, Linux, TCP/IP, DNS

Responsibilities

Plan, provision, configure, and maintain Windows domains and server roles; Provide IT support to clients via phone, remote, and on-site; Administer hybrid Microsoft 365 and on-premises environments; Implement security solutions (antivirus, MDM, EMS); Troubleshoot infrastructure issues using OSI model knowledge.

Seniority

Mid-Senior, hands-on IC