Field of activity

The Clearstream IT Operations department is operating for the Deutsche Börse AG the IT-infrastructure of the order routing procedures for the trading floor exchanges (Xontro) and providing the connected systems with real-time stock data for further processing.   

The IT-infrastructure is based on the IBM mainframe processors, which are also the platform for clearing and settlements, vault management and corporation-wide SWIFT message traffic. The Production Support unit is also operating the mainframe applications for the Clearstream Banking Frankfurt AG, Clearstream Banking Luxembourg and the Brain Trade.

Tasks/responsibilities

• Infrastructure Support CPU, Disk, Tape, Mainframe
• 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, zVM systems software components
• OpenShift on z support, python, Jenkins
• z/OS - SMP/E Installation / System Exits
• Mainframe z/OS REXX scripts

Qualifications/required skills

• University degree in the IT-area or comparable education
• Profound Experience with z/OS, zVM systems
• Experience with Broadcom Mainframe Products
• Knowledge of cloud technology, such has OpenShift, Jenkins Pipelines would be an asset
• JCL knowledge and experience with CA7 or comparable scheduling tools
• Good skills in TSO, ISPF, CMS, JES2, VTAM, TCP/IP
• Knowledge of the following mainframe tools

TSO/ISPF, REXX, CA1, CA11, Beta92, RMS, LDMS

• Team player with good communication skills, highly motivated and flexible
• Outlook and Microsoft Office skills
• Proficiency in written and spoken English. German would be desirable