Your mission Setting up and maintaining new installations for our customers Design and Administration of the Costumer new digital solutions Testing of UI/UE environment for customers Administration and Monitoring of API Connectivity Administration and monitoring of datacenter and client system Administration of MDM system Support for issues in the environment Correct administration of incidents in ticketing system Autonomous and fast learner for complex infrastructure Participating in the standby Your profile MCSA, better MCSE certificated Linux certification would be an advantage More than 5 years of experience as Windows system engineer More than 3 years of experience in an international team and as system engineer Extensive experience in managing mobile devices, migrating to hybrid cloud environments, and managing API connectivity. Experience with Grafana Experience with Monitoring Systems Good knowledge of Linux Good interpersonal, written, and oral communication skills in German and English Technical documentation skills Why us? Modern, centrally located office: Just a 5-minute walk from Bahrenfeld station - easy access guaranteed Open corporate culture: Immerse yourself in an international working environment where ideas and diversity are encouraged. Collegial working atmosphere: Enjoy a working atmosphere characterized by collaboration and a hands-on mentality Hybrid working model: Flexibility - combine on-site and home office work. 30 days holiday: More time for relaxation and leisure. Additional days off on 24 December, 31 December and half a day on your birthday. Attractive remuneration package: We reward your performance appropriately. Sodexo vouchers: For carefree catering while you work. HVV season ticket or underground car park subsidy: Support for your convenient journey. JobRad: Take advantage of the opportunity to lease a JobRad after your probationary period. Company pension scheme: With a generous 25% employer contribution of up to €75. About us Telio is a medium-sized, internationally active, rapidly growing company in the field of telecommunications and IT services in the prison sector. As the European market leader, we have been providing communications solutions for prisons and their inmates worldwide for 25 years. With more than 270 employees, we are active in 25 countries and develop, install and operate communication and media systems that make an important contribution to resocialization in prisons as well as in correctional facilities.