CareerPlan

Senior IT-Systemadministrator (m/w/d) Schwerpunkt IT-Security, Manderscheidtstr. 27, 45141 Essen

Essen, Ruhr, NORDRHEIN_WESTFALENFull-time2026-10-22 → 2026-11-11
Based in Germany

Core

Responsible for the administration and evolution of the central security infrastructure, proactive vulnerability management, security alert analysis, and incident response.

Role type

Senior IT System Administrator (IT Security)

Builds

Secure hybrid IT environment (Windows Server, Active Directory, Microsoft 365, Azure/Entra ID)

Domain

Energy technology / IT Security

Required skills

Network administration, Windows Server, Active Directory, Microsoft 365, Azure/Entra ID, IT Security standards (BSI IT-Grundschutz, NIS/NIS2), SIEM, IT automation tools, Security solutions (Defender)

Preferred skills

English language skills

Responsibilities

Administer and optimize hybrid system environment, manage proactive vulnerability management, analyze security alerts, lead incident response measures, support internal audits and regulatory compliance, create security reports for management, collaborate on security and infrastructure projects, provide 2nd & 3rd-level support

Seniority

Senior, hands-on IC