Steering of recruiting and application management, Organization and support of onboarding and offboarding processes, Support of personnel planning as well as creation and administration of personnel documents, Preparation and coordination of payroll accounting, Contact person for employees on administrative and organizational HR topics, Administration of absences and leaves, Support in the further development of internal HR processes and structures, Representation of the company at selected job fairs and recruiting events, Operational procurement of materials, services and office equipment, Obtaining and comparing offers, Communication and negotiation with suppliers, Maintenance, checking and administration of orders and incoming invoices in the order database, Continuous optimization of purchasing, procurement and release processes, Planning and execution of the annual inventory, Organization and coordination of the entire office routine, Administration and coordination of the company car fleet and operational insurances, Organization of internal events, Administration of contracts, documentation and filing structures, Support with administrative processes and the billing of funding projects