Learn. Develop. Grow. But always: Share value Join our international team that drives positive change, united by a spirit of openness and curiosity. We empower you to have an impact and to grow - personally and professionally. With us, you work at the heart of financial systems and evolve the way markets operate. We're excited about the future because we are the ones shaping it. Let´s do this together by sharing value! Who we are Tracing its origins to 1585, Deutsche Börse Group has become one of the world's leading exchange organisations and an innovative market infrastructure provider. In this role, we provide investors, financial institutions and companies access to global capital markets. What's your part in all this? With your commitment you contribute to the success of our unique business model: offering a wide range of products, services and technologies for security, transparency and integrity on the markets. By creating trust in the markets of today and tomorrow we foster growth and contribute to the prosperity of future generations. Prague Your career at Deutsche Börse Group Your area of work: The Deutsche Börse Group, Mainframe IT Operations department is operating for the Deutsche Börse AG the IT-infrastructure of the order routing procedures for the trading floor exchanges and providing the connected systems with real-time stock data for further processing. The IT-infrastructure is based on mainframe processors, which are also the platform for clearing, settlements, and vault management. Group Mainframe Operations are supporting a Hybrid container orchestration platform by managing hybrid Red Hat OpenShift Clusters on-prem on System z as well in the Cloud. Your responsibilities: Infrastructure Support CPU, Disk, Tape, Mainframe and operating systems; Independently recognizing mainframe z/OS, zLinux, OpenShift on z problems; Common mainframe system programmer tasks z/OS, zVM, Hardware, zLinux; Planning and installing z/OS or zVM systems software components; z/OS - SMP/E Installation / System Exits; Mainframe z/OS REXX scripts. Your profile: Experience with z/OS or zVM systems; Experience with Broadcom Mainframe Products; JCL knowledge and experience with CA7 or comparable scheduling tools; Skills in TSO, ISPF, CMS, JES2, VTAM, TCP/IP; Knowledge of cloud technology, such has OpenShift, Jenkins Pipelines would be an asset; Team player with good communication skills, highly motivated and flexible; Proficiency in written and spoken English.