OT Network/Security Administrator (Junior/Senior)

For the BEW Berliner Energie und Wärme GmbH we are looking for you as OT-Network/ Security Administrator:in (Junior/ Senior) at the Berlin site in an indefinite position. Your tasks You are responsible for the design, implementation and operation of all components of a OT operating network with all related services including complete documentation and monitoring and maintenance of the components for several locations in Berlin You participate in the OT security strategy, the development of mechanisms to detect threats at an early stage and to continuously introduce preventive measures against threats You work with the continuous optimization, to increase the safety and efficiency of the OT/IT systems used in the OT operating network You support IT/OT digitalization projects in the company

For the BEW Berliner Energie und Wärme GmbH we are looking for you as OT-Network/ Security Administrator:in (Junior/ Senior) at the Berlin site in an indefinite position. Your tasks You are responsible for the design, implementation and operation of all components of a OT operating network with all related services including complete documentation and monitoring and maintenance of the components for several locations in Berlin You participate in the OT security strategy, the development of mechanisms to detect threats at an early stage and to continuously introduce preventive measures against threats You work with the continuous optimization, to increase the safety and efficiency of the OT/IT systems used in the OT operating network You support IT/OT digitalization projects in the company Your profile You have a degree in the IT field or an equivalent training, you also like to cross-comers: inside with a great affinity for IT/OT You have experience in the integration and configuration of routers, switches and firewalls as well as their design and operation Ideally, you have first experience in the operation in the following thematic fields: attack detection systems (SIEM, IDS, vulnerability scanners), remote access and data diode in the OT environment Ideally, you have practical experience with Ethernet / Layer 2 / Layer 3 services and are well aware of the operation of a modern carrier network and common routing protocols such as (OSPF, EIGRP, BGP, MEF) Experiences with industrial communication protocols (e.g. PROFINET, Modbus, OPC UA) are advantageous You work in a small team, which is why cross-disciplinary skills are needed, or the willingness to acquire the same is required for operation You enjoy developing new solutions and optimizing complex OT landscapes You are characterized by a pronounced solution orientation You have knowledge in the field of KRITIS requirements and standards (IEC 62443, 27001 and 27019) for energy producers You have knowledge of German at least. C1 level You meet about 70 percent of the requirements? Then get involved! Your Benefits Flexible design of working day (37-hour week, part-time, flexible working hours, running time accounts, mobile work) 30 days holiday, work-free days on 24.12. and 31.12. as well as opportunities for free Promoting individual development, including free training and support in continuing vocational training 13 monthly salaries for collective employees and additional remuneration components Occupational pension ÖPNV company ticket or Germany ticket (50% employer grant) and Jobrad offer Employee flow rate after 12 months of service Various offers on health, including Urban Sports Club membership and PME family service You want to meet all our Benefits? Then tell us what we have to offer! Your application We look forward to your application in German – please send us your complete application documents, including a complete resume, by 17.04.2026 at the latest. For more information on this position, please contact the recruiting manager Benjamin Christe at +49 152 54629147. Questions about the application process will be answered by the responsible recruiter Marco Schürer at +49 30 374396765. You are interested in our offer and want to shape the Berlin Heat Exchange together with us? Then we look forward to your application through our website! Notes We are convinced that diversity contributes to making our company more powerful and attractive. Applications for people of any age, gender identity, sexual orientation, ethnic-cultural background are welcome. Disabled people are particularly taken into account with the same professional suitability. The safety of BEW Berliner Energie und Wärme GmbH and its employees is of fundamental importance. For this reason, pre-employment screening is part of the recruitment process. The scope of the review varies depending on the function and range of use. The screening is carried out by a third-party provider, DISA. .