HITEC ZANG | Germany | 52xxx Herzogenrath | Permanent position | Full time | Published since: 28.05.2026 on stepstone.de
IT System Administrator - On-Premise Infrastructure (m/f/d)
IT-System Administrator (m/w/d) – On-Premise Infrastructure You feel more comfortable on the shell than on the web UI? You want to understand systems instead of managing them? Then keep reading.
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Your tasks • Your profile • What we offer
IT-System Administrator (m/w/d) – On-Premise Infrastructure You feel more comfortable on the shell than on the web UI? You want to understand systems instead of managing them? Then keep reading.
Operation, development and security of our on-premise infrastructure Administration of Windows Server and Client environments (no pure click sections) Planning and implementation of automation (e.g. with PowerShell) Operation and maintenance of Active Directory, GPOs, Fileservices and PKI Administration of Linux servers (Debian-based) via CLI Support and further development of the virtualization platform (VMware ESXi / Proxmox) Analysis and sustainable solution of complex disorders (no pure ticket processing) Working with infrastructure projects from idea to operation
Training as a specialist in system integration or comparable qualification Multiannual experience (approx. 5+ years) in operational IT administration Very good knowledge of Windows 10/11 and Windows Server (2016+) Active Directory (On-Prem), GPO, File Systems, Certificate Services PowerShell (Automatization, not only Copy & Paste)
Solid Linux knowledge (Debian/Ubuntu, CLI-based) Virtualization Experience (VMware ESXi or Proxmox) Understanding Networks (Routing, VLANs, Firewalls) You work structured, analyze problems thoroughly and do not trade “blind” You take responsibility for systems and decisions
A growing, predominantly on-premise infrastructure Space to expand and actively shape Linux themes Technical decisions are made by technicians No pure M365/Helpdesk Focus
What we value Technical understanding instead of tool dependence Clean solutions instead of quick workarounds Automation instead of manual click work Sustainability instead of firefighting mode
What we are not looking for Pure “Microsoft 365 Admins” Ticket processors without interest in Cause Analysis “We have always done this” mentality If you don't just want to run systems, you want to understand and improve, you'll fit in here!
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Location
 | HITEC ZANG | |
| 52134 Herzogenrath | ||
| Germany |
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