CareerPlan

OT-System Specialist (m/w/d)*

Mainz am Rhein, RHEINLAND_PFALZFull-time2026-10-08 → 2026-10-21
On-site

Core

Design, standardize, and implement network infrastructures for production operations, ensuring secure and stable OT infrastructure operation.

Role type

OT-System Specialist (Network Infrastructure & Security)

Builds

Network infrastructures for production sites, OT security standards, and digitalization projects.

Domain

Industrial Automation / OT Security / Network Engineering

Required skills

Routing, Switching, Industrial Ethernet, ProfiNet, Modbus TCP, OPC UA, Siemens S7, Siemens PCS7, WinCC, OT Security (IEC62443, NIS-2, CRA, TRBS1115), Change Management, Incident Management

Preferred skills

LAN infrastructure conception, IT/OT digitalization project experience

Technologies

Siemens SCADA, Siemens S7, Siemens PCS7, WinCC, Industrial Ethernet, ProfiNet, Modbus TCP, OPC UA

Responsibilities

Conceptualize and implement network infrastructures for production sites, Optimize network infrastructure for security and efficiency, Support IT/OT digitalization projects, Troubleshoot production systems (SCADA, S7, PCS7), Evaluate IT technologies for production environments, Install and mount servers and edge devices, Analyze network and security risks, Perform maintenance, migrations, and retrofits, Execute change and incident management per ITIL, Manage OT asset components

Seniority

Mid-level, hands-on IC