Ruhrbahn GmbH | Germany | 45xxx Essen | Permanent position | Full time | Published since: 03.08.2026 on stepstone.de ♿️
IT/OT System Documentation and System Administration 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
Creation, maintenance and development of technical and organizational documentation for IT/OT systems Ensuring a complete, comprehensible and revision-proof document and proof deposit Independently responsible creation of KRITIS, governance and security documentation as well as preparation of audits and audits Care of role, task and authorization concepts Administrative responsibility in ongoing system operation, changes and inventory data management Recording, coordination and follow-up of technical requirements and coordination with internal and external stakeholders Co-responsible for system implementations, projects and the transfer of documentation to regular operation Takeover of selected organizational and administrative tasks, e.g. ordering requirements, tender documents and meeting organization
Complete studies in a technical field, e.g. news technology, information and communication technology, IT, OT or electrical engineering, or comparable technical training with corresponding additional qualification or Education Experience in handling technical systems, documentation and administrative processes as well as understanding of IT/OT operating and system relationships Ideally knowledge of KRITIS requirements, security documentation, governance and audit-proof documentation A particularly structured, careful and quality-oriented approach Analytical thinkability and the ability to prepare complex information in a comprehensible and resilient manner Willingness to participate in readiness driving licence class B
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Location
 | Ruhrbahn GmbH | |
| 45130 Essen | ||
| Germany |
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