Operational Technology (OT) System Administrator | System Administrator Operational Technology (w/m/d)

Hensoldt Holding Germany GmbH

Ulm, Donau, Baden-Württemberg, Deutschland
Published Mar 3, 2026
Full-time
Permanent

Job Summary

As a System Administrator for Operational Technology (OT) at HENSOLDT, you will join the Industrial Engineering team in Ulm to bridge the gap between production and internal IT management. Your day-to-day responsibilities involve configuring, installing, and maintaining hardware and software within the OT environment, ensuring network security, and resolving complex system malfunctions. You will play a critical role in digitizing production by managing virtualization solutions, physical servers, and networks. This position is unique as it offers the opportunity to work on future-oriented topics like AI-supported monitoring and automated build pipelines within a leading defense industry company. You will act as a vital interface, translating operational requirements into technical specifications while ensuring long-term production stability. This role is ideal for proactive professionals who enjoy hands-on problem-solving and collaborating in a high-tech, international environment dedicated to security and innovation.

Required Skills

Education

Completed vocational training in the IT field (e.g., IT Specialist for System Integration, IT Systems Electronics Technician) or a comparable qualification.

Experience

  • Professional experience in the administration of Windows and Linux server environments
  • Practical experience with network technologies including TCP/IP, VPN, Firewalls, and Switches
  • Proven experience in virtualization technologies such as Proxmox or Hyper-V
  • Experience in creating and maintaining PowerShell and Batch scripts
  • Professional background in technical support and system troubleshooting within an industrial or OT context

Languages

German (Fluent)English (Fluent)

Additional

  • Willingness to undergo an extended security clearance (Ü2); Readiness for occasional business travel; Location: Ulm, Germany.