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OT-System Specialist (w/m/d)

Essen, Nordrhein-Westfalen💼 Full-time🗓 2026-09-26

Core

Ensuring reliable, secure, and compliant operation of OT systems (video protection, emergency calls, telecommunication, digital radio) and managing system integration for infrastructure projects.

Role type

OT System Specialist (Technical Operations)

Builds

OT system infrastructure and maintenance for public transport mobility

Domain

Public Transport / Critical Infrastructure (KRITIS)

Required skills

OT system administration, system integration, role and access management, incident coordination, technical documentation, project planning, audit participation

Preferred skills

KRITIS requirements knowledge, information security, revision-proof documentation, ITSM/Asset management systems, SharePoint

Technologies

OT systems, MS Office, SharePoint, ITSM systems, Asset management systems

Responsibilities

Ensure reliable and secure operation of OT systems; Maintain system, plant, and inventory data; Develop and review access concepts; Coordinate incidents and escalations; Plan and execute OT system integration for construction projects; Create technical concepts and tender documents; Support system implementations from planning to handover; Maintain technical and organizational documentation.

Seniority

Mid-level, hands-on IC

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