IT Systems Integration Specialist (Network & IT/OT)

Quick Facts

• Focus: Network operations and IT/OT production network integration

• Contract: Permanent (unbefristet)

Description

You will operate, expand, and monitor LAN/WAN infrastructure (including HPE Aruba-based switching and WLAN with 802.1X) and securely connect production networks by segmenting systems and creating protected IT-to-production transitions. In addition, you support the broader IT operation, including Windows Server, Active Directory/Entra ID, Microsoft 365, VMware/VDI, and endpoint management with Microsoft Intune. You provide solution- and service-oriented First-/Second-Level support and network Third-Level support, and you work on cross-site infrastructure projects.

Requirements

• Completed training as IT specialist for systems integration or comparable qualification

• Several years of hands-on experience in operating and troubleshooting enterprise networks

• Strong knowledge of Switching/Routing, VLAN, Spanning Tree/MLAG, DNS/DHCP, and TCP/IP analysis

• Experience with at least one enterprise vendor (HPE Aruba, Cisco, or Dell)

• Experience operating/troubleshooting Windows Server, Active Directory/Entra ID, Microsoft 365, and VMware virtualization

• Experience with client management: Intune/MDM, software distribution, and patch management

• Preferred: experience with industrial/production networks (Industrial Ethernet/PROFINET, OPC UA, PLC/SPS connectivity, remote maintenance, segmentation per IEC 62443)

• German proficiency at least C1

• Driver’s license class B and willingness for occasional travel to production sites

• Independent, structured work style with strong communication and teamwork

Benefits

• Permanent contract

• Continuous development with manufacturer certifications (e.g., HPE Aruba, VMware, Microsoft)

• Varied tasks, flat hierarchies, and a supportive environment

• Flexible working hours model (Gleitzeit)

• Health management and employee benefits

• Fair compensation including on-call duty participation