CareerPlan

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

Köln, NORDRHEIN_WESTFALENRemoteFull-time2026-11-12 → 2026-11-13

Core

Administering the IT security environment and developing modern security architecture concepts.

Role type

Senior System Administrator (IT Security)

Builds

Firewall and Endpoint Security concepts, Windows Server systems, Active Directory and Entra ID environments, Microsoft Cloud services.

Domain

IT Security / Enterprise Infrastructure

Required skills

IT security administration, Windows Server administration, Active Directory management, Entra ID management, Microsoft Cloud services operation, VLAN configuration, Firewall management, Switch management, FortiGate environment experience, Intune experience, M365 experience.

Preferred skills

Communication skills, Teamwork, German language proficiency.

Responsibilities

Administering the IT security environment, Developing firewall and endpoint security concepts, Managing Windows Server systems, Managing Active Directory and Entra ID, Operating Microsoft Cloud services, Supporting security projects.

Seniority

Senior, hands-on IC