To strengthen our team at the Iserlohn location, we are looking for a full-time, permanent position at the earliest possible date for a IT System Administrator (m/f/d) Your tasks as an IT system administrator in our team: Administration, monitoring and conceptual development / optimization of our IT infrastructure (Microsoft Server). Responsibility for IT security (data backup, firewall). Administration and internal first-level support of the company-wide software landscape (telephone software, etc.). Management of cooperation with external IT service providers. Planning and implementation of IT projects as well as support in the administration of our ERP system (MS Business Central). For us, it's not just the professional qualifications that have to be right. It is also important to us that we have the right people skills. You have successfully completed your training as an IT specialist or have a comparable qualification. You have several years of professional experience in IT system administration in a medium-sized company You have very good knowledge in the following areas Microsoft 365 I Active Directory I Azure I Exchange I desirable ERP, e.g. Flexible working hours (flexitime home office). Individual training opportunities. Company pension scheme. We have short decision-making paths and flat hierarchies. Collaboration with a motivated team in a dynamic environment and a pleasant working atmosphere.