Ruhrbahn GmbH | Germany | 45xxx Essen | Permanent position | Full time | Published since: 22.09.2026 on stepstone.de ♿️
OT System Specialist (m/f/d)
With us you will not only find varied and future-proof jobs in Essen and Mülheim an der Ruhr. In a family working environment characterised by respect, mutual support and appreciation, around 2,500 employees from 42 nations work in a wide range of professional fields. We are shaping the mobility of tomorrow. The Ruhrbahn is colorful. We employ people – regardless of religion, worldview, age, social origin, sexual orientation, ethnicity, nationality, gender or gender identity. We welcome all applicants. The Ruhrbahn is committed to equal opportunities and promotes the professional development of women. We expressly welcome applications from people with migration background and history. Highly disabled persons are particularly taken into account in the case of the same suitability and qualification. .
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Your tasks • Your profile • What we offer
We are looking for reinforcement for two technical priorities: In the field of news technology, the focus is on the maintenance, plant responsibility, as well as the monitoring of reconstructions and the operational operation of our systems. Take into account the applicable KRITIS framework conditions. In the field of OT system management, you perform tasks in the administration, system integration and further development of OT systems. Here, too, you ensure compliance with the relevant KRITIS framework conditions. Ensuring reliable, secure and law-compliant operation of OT systems, in particular in the areas of video protection, emergency call, telecommunications and digital radio Technical support, continuous development and maintenance of system, plant and inventory data Development, implementation and regular review of the role and authorization concepts for the OT systems Processing and coordination of disorders and escalations within defined responsibilities and participation in call readiness Recording, evaluation and tracking of technical and technical requirements in coordination with internal and external stakeholders Planning the professional, secure and KRITIS-compliant integration of OT systems in re- and new construction measures Creation of technical concepts, performance descriptions and tender documents as well as professional participation in award procedures Technical and technical support of system introductions and projects – from planning to implementation and acceptance to handover to operation Creation, maintenance and quality assurance of technical, organisational and KRITIS-compliant documentation and participation in audits and audits
Complete study of a technical field, such as news, information, communication or electrical engineering, or computer science, or a completed further education for the tested technician (w/m/d) of the technical field of electrical engineering or comparable to the relevant professional experience Professional experience in handling technical systems, documentation and administrative processes as well as a good understanding of IT/OT operating and system relationships Ideally knowledge of KRITIS requirements, information security and audit-proof documentation Secure handling of MS Office and digital documentation and storage systems; Experiences with SharePoint as well as ITSM, asset or document management systems are advantageous Impressive analytical thinking and the ability to prepare complex technical facts in a comprehensible, structured and resilient manner Self-employed, careful and quality-oriented work and a high level of responsibility Good communication and coordination capability in dealing with specialist areas, internal interfaces and external service providers Participation in the readiness and driving licence of class B
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Location
![]() | Ruhrbahn GmbH | |
| 45130 Essen | ||
| Germany |
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