CareerPlan

Senior IT-Systemadministrator (m/w/d) - 2nd & 3rd Level

Köln, NORDRHEIN_WESTFALENFull-time2026-10-09 → 2026-10-12
Hybrid

Core

Managing and optimizing complex Microsoft-based IT infrastructure landscapes, including servers, networks, and cloud services.

Role type

Senior 2nd & 3rd Level IT System Administrator

Builds

Modern IT infrastructure services for internal customers and clients

Domain

IT Infrastructure / Microsoft Ecosystem

Required skills

Microsoft Server Administration, Active Directory, DNS, File Services, RDS, Exchange, Network Engineering (VLAN, Routing, Firewalls), Windows Client OS, Microsoft 365, Azure, PowerShell, Ansible, Virtualization (VMware, Hyper-V)

Preferred skills

Automation of workflows, Internal training and knowledge transfer

Responsibilities

Managing complex IT system landscapes, Implementing service requests and system adjustments, Performing maintenance and updates, Acting as a technical contact for customers, Documenting technical processes, Handling incidents via ticketing system, Supporting sales technical inquiries, Conducting internal training

Seniority

Senior, hands-on IC