Responsible for value-oriented maintenance and optimization of plants and apparatus in the acetylene plant area at the Marl site, Ensuring compliance with legal regulations and operational occupational safety requirements, as well as the required technical availability of production and auxiliary plants in the area of responsibility through needs-based maintenance, with special consideration of process safety, legal requirements, and economic efficiency. Development of a system for preventive maintenance, Performing tasks and duties within the scope of operator responsibility and the delegation matrix, including as a qualified person for explosion protection according to Betr.SichV §14 (6), Ongoing review and maintenance (state of the art) of the proper technical condition of the plants, Responsible for planning, timely initiation, and monitoring of all inspections based on relevant laws and regulations, necessary inspections, and acceptance tests; adequate documentation of these processes (including execution drawings, work plans, schedules), Ensuring requirements according to EnEfG (Energy Efficiency Act), Improving plant availability by analyzing damage cases ('Root Cause Analyses') and developing optimal solutions, Performing Criticality Rankings and Failure Mode Effect Analyses as a basis for a condition-based and predictive maintenance strategy and defining maintenance concepts, including spare parts strategy, Conducting safety reviews/discussions and participating in Hazops, Initiating and actively processing plant changes in the Management of Change process; responsibility for ensuring up-to-date technical plant documentation, Active support of the alarm management of the own area (evaluating monthly frequency and taking measures to reduce it) and defining KPIs, Representing the interests of the Asset Owner as a continuously participating engineer in investment projects