To strengthen our IT Infrastructure and Event Services department, we are looking for the next possible date for a IT Administrator (m/f/d) Telecommunications With us, you can expect exciting tasks, creative team spirit and an attractive, future-proof job with a leading international event organizer. As a modern and responsible employer, our entrepreneurial activities are characterized by sustainability. Your main tasks: Maintenance and optimization of telecommunications and radio systems, including market observation with regard to telecommunications development Coordination of user requirements for the systems used (telecommunications and radio systems), also as part of events Data maintenance in the cable management system Collaboration in invoice processing and control, collaboration in the cost allocation of TC services Collaboration in the development of medium and long-term TC strategies for Leipziger Messe GmbH Coordination, monitoring and cooperation with internal and external service providers with regard to the systems used Participation in the internal on-call service Your profile: Completed studies in the field of IT or a corresponding training qualification with further specialist qualification or the willingness to obtain a corresponding further qualification Several years of professional experience in the telecommunications environment, especially in the support of large telephone systems (>500 end devices) and the operation of SIP trunks Sound experience in the support and further development of MDM solutions Preferably expertise in the areas of Unify OSV and the associated applications (UC, Concierge etc.) as well as VMware/Omnissa Workspace One Enjoy working in a team and have a strong analytical mindset Careful and conscientious way of working combined with the ability to maintain an overview even in difficult situations High degree of initiative and independence as well as enjoy developing creative solutions Very good German and good English skills We offer you: 13th salary and a variable remuneration component 39-hour week as well as part-time options and 30 days' vacation Compatibility of career and personal life situation through flexible working hours and mobile working Company pension scheme Individual further training offers Discounted lunch in our "Casino" Very good transport connections and free parking with charging station for electric cars Sustainable mobility thanks to the option of leasing a JobRad and subsidizing the Deutschland Ticket as a job ticket Have we piqued your interest? Then we look forward to receiving your detailed application documents, including your salary expectations and earliest possible starting date, via our online application form. Ms. Lisa Hunger (Tel.: 49 341 678-8422) will be happy to be your contact person. We look forward to getting to know you!