Systems Administrator | Systemadministrator (m/w/d)

Gleich GmbH

Aschaffenburg, Bayern, Deutschland
Published Nov 10, 2025
Full-time
No information

Job Summary

This role seeks a Systems Administrator specializing in IT and Operational Technology (OT) security to ensure the reliable and secure operation of critical infrastructure. Day-to-day responsibilities include the management, monitoring, and continuous optimization of IT/OT systems, focusing heavily on implementing robust security standards. The administrator will conduct security-relevant installations, configurations, and updates, actively analyze and resolve security incidents, and deploy security solutions across networks, servers, and cloud environments like AWS, Azure, and M365. Key qualifications include multi-year experience in system administration and securing IT/OT systems, strong knowledge of network security technologies (TCP/IP, Firewalls, IDS), and familiarity with industrial control systems and OT security standards such as IEC 62443. This position offers an exciting opportunity to work in a technically modern, security-oriented environment with excellent possibilities for professional development and certification.

Required Skills

Education

Completed vocational training as an IT Specialist (Fachinformatiker) or comparable qualification

Experience

  • Multi-year professional experience in system administration and securing IT and OT systems
  • Experience administering Windows, Hyper-V, and VMWare
  • Experience implementing and managing security solutions for Cloud services (AWS, Azure, M365)
  • Experience utilizing IT security products (Endpoint Protection, Firewalls, IDS) in OT environments

Languages

Not specified

Additional

  • Not specified