CareerPlan

Senior IT Security & Infrastructure Administrator (m/w/d)

Linsengericht, HESSENFull-time2026-10-03 → 2026-10-07

Core

Operating, administering, and securing Active Directory, Entra ID, and Azure infrastructure while managing network and security systems.

Role type

Senior IT Security & Infrastructure Administrator

Builds

Secure and stable network, server, and security infrastructure for engineering clients in Automotive, Aerospace, Defence, and Machinery.

Domain

IT Security & Infrastructure

Required skills

Active Directory, Entra ID, Azure, Microsoft 365, Firewall management, Network routing and segmentation, Security incident analysis, Technical documentation, Change management

Preferred skills

Fortinet, SOTI, HPE Aruba & Central, ClearPass

Technologies

Active Directory, Entra ID, Azure, Microsoft 365, Fortinet, SOTI, HPE Aruba, ClearPass

Responsibilities

Operate and secure Active Directory, Entra ID, and Azure; Manage network and security infrastructure (LAN/WLAN, segmentation, MDM); Operate firewalls, switches, and security systems; Implement changes, patches, and updates; Analyze and document security incidents; Create and maintain technical documentation and emergency plans; Provide second-level support; Ensure compliance with local and global IT security standards.

Seniority

Senior, hands-on IC