CareerPlan

Systemadministrator - IT-Security (m/w/d)

Köln, NORDRHEIN_WESTFALENFull-time2026-10-28 → 2026-11-11
Hybrid

Core

Administration and development of central security infrastructure, including Fortinet landscape, CrowdStrike Falcon, and hybrid Windows Server/Active Directory/M365/Azure environments.

Role type

System Administrator (IT Security)

Builds

Security infrastructure and hybrid IT environments

Domain

IT Security / Enterprise Infrastructure

Deliverable

infrastructure

Required skills

Fortinet (FortiGate, FortiMail), CrowdStrike Falcon, Windows Server, Active Directory, Microsoft 365, Azure/Entra ID, vulnerability management, incident response, security reporting, PowerShell

Preferred skills

CheckMK, SIEM solutions, Veeam, Hyper-V

Responsibilities

Administer and evolve central security infrastructure; manage proactive vulnerability management; analyze security alerts and lead incident response; administer and optimize hybrid system environment; support internal audits and regulatory compliance; create security reports for management; collaborate on security projects and provide 2nd/3rd-level support.