Similar position as before -- now as a kind of player-coach, trying to keep my hands on technology while having more involvement into the strategical decisions in the area of SAP operations at PUMA.

Responsible for a heterogeneous ERP environment, ranging from on-premise to externally hosted SAP systems, but including non-SAP ERP solutions as well, with focus on project work and quality of service.

Main responsible for the entire SAP basis support of one of the company's customers as a member of an international team of experts in the area of SAP basis. Earlier positions include work as a junior SAP basis specialist as a member of continuous services. •• Administrator for SAP Basis ••- Upgrades of SAP systems- Application of Support Package Stacks- Installation of new SAP systems- SAP system copies and system refreshes- Implementation of Single-Sign On- SAP user management- Administration of SAP authorizations (roles and profiles)- SAP Transport Management and Software Logistics- SAP printer management (SAPSprint, CUPS, front end printing)- Performance analysis and tuning- System monitoring- Installation and maintenance of SAP GUI•• Administrator for Database Management systems (Oracle, IBM DB2, and others) ••- Installation of Oracle and DB2 databases- Version upgrade and patching of Oracle databases- Version upgrade and fix pack application of IBM DB2 databases- Administration of IBM DB2 High-Availibility Disaster Recovery (HADR)- Performance analysis and tuning•• Operating systems and storage technology ••- Administration of Linux (Red Hat) and UNIX (AIX, HP-UX, Solaris) systems- Usage of AIX High Availability Cluster Multiprocessing (HACMP)- Usage of NetApp storage technology (snapshots, clones)•• Internal trainer for SAP and database technology ••- Development of training concepts- Creation of training material (presentations, instructional videos)- Holding trainings with personal attendance- Providing remote trainings

Teaching courses of Mathematics and Physics to skilled professionals (mainly in constructional and industrial trades) who wanted to achieve the status of a State-certified technical engineer.- preparing teaching sessions (duration 4 to 6 hours with short intermissions)- teaching in Saturday classes (class size approx. 30 persons)- individual counseling of students

Scientific assistant at the Department of Mathematics in the field of Algebraic Geometry.•• Teaching ••- Organizing of classes for students of mathematics and physics- Instruction and supervision of tutors (senior students)- Organizing exams, registration and archiving of exam results- Scientific guidance of seminars•• Technical support ••- Creation of computer graphics of algebraic surfaces- Production of animated 3D graphics for public display- Technical preparation and supervision of presentations adressed to the public

Member of a team of assistants of the UNIX system administrator at the Department of Mathematics.- support of end users- hardware maintenance- software maintenance (updates, patches, compiling)- printer management (CUPS, lpd)- development of tools for internal use (shell scripts, interactive programs)