CareerPlan

Microsoft 365 Client-Systemadministrator:in (w/m/d) - Security

Berlin, BERLINFull-time2026-11-10

Core

Administration of Microsoft 365 tenants (User and Group Security), implementation of security strategies and Zero Trust models, and second-level support in the client environment.

Role type

Senior Microsoft 365 Security Administrator

Builds

Secure Microsoft 365 environments and client/server infrastructure for the Berlin Waterworks

Domain

Utilities / Water Management / IT Security

Required skills

Microsoft 365 tenant administration, Microsoft Defender, Advanced Threat Protection, Threat Intelligence, Information Protection, Zero Trust implementation, Windows 11/Server administration, Azure knowledge for Windows clients, threat vector identification, IT security policy creation

Preferred skills

ISO 27001, ITIL V4, OpenText ZENworks, Microsoft Configuration Manager

Technologies

Microsoft 365, Defender, Advanced Threat Protection, Threat Intelligence, Information Protection, Windows 11, Windows Server, Microsoft Azure, OpenText ZENworks, Microsoft Configuration Manager

Responsibilities

Administer M365 tenants (User and Group Security), Implement security strategies and Zero Trust models, Provide second-level support in the client environment, Distribute software centrally, Identify threat vectors and data breaches, Create and implement IT security policies

Seniority

Senior, hands-on IC