Senior IT System Administrator | Senior IT-Systemadministrator (m/w/d)

Spruck IT Service GmbH

Mannheim, Baden-Württemberg, Deutschland
Published Apr 27, 2026
Full-time
Permanent

Job Summary

As a Senior IT System Administrator, you will manage and maintain robust IT infrastructures, focusing on Microsoft 365, Exchange, and Entra ID hybrid environments. Your day-to-day responsibilities include administering Windows Servers, Active Directory, and GPOs, alongside deploying and managing endpoints via Microsoft Intune. You will oversee server virtualization (Hyper-V, Proxmox, ESXi), manage network security including firewalls (Sophos, pfSense, Fortinet) and networking hardware (Aruba, UniFi, Meraki), and handle VoIP solutions. A key part of your role is leveraging PowerShell to automate routine tasks. You will provide on-site support to clients, primarily in the Rhine-Neckar region with occasional travel. The ideal candidate brings extensive experience in IT service provider environments, possesses strong communication skills to explain technical concepts to management, and is proficient in both German and English. This role offers a dynamic, collaborative environment with a focus on modern technology and professional growth.

Required Skills

Education

Not specified

Experience

  • Several years of professional experience as an IT System Administrator
  • Experience in an IT system house or Managed Service Provider environment is highly preferred
  • Practical experience with firewall management and enterprise networking
  • Proven ability to write PowerShell scripts for automation
  • Experience in client-facing roles and on-site technical support

Languages

German (Fluent)English (Basic)

Additional

  • Valid driver's license (Class B), willingness to travel for on-site client visits (predominantly regional, occasionally national).