Tobias Schlattmann

Diagnosing issues reported for the Solaris OS Kernel - Debugging the Kernel crash dumps - Investigating memory corruptions and memory leaks - Dynamically tracing issues within the Solaris kernel with dtrace - Developing dtrace scripts for performance analysis and specific trouble shooting Analysing filesystem issues with ZFS and UFS/SVM Reporting bugs for the Solaris Operating System Providing support on security issues Training and coaching

Providing 3rd level support for the Solaris Operating System. Additional events: • Elected for the SEED talent program (Sun Engineering Enrichment & Development): participating in the Refactoring project of the TCP/IP stack implementation in the Solaris OS • Presenting "DTrace class" at a Sun Microsystems conference and “DTrace – Concepts and Usage” to the German Sun User Group

Specialisation on the Solaris OS Kernel, providing 3rd level support: • Providing 24x7 standby support on a rotation basis • Presenting at a Sun-internal world wide conference about application and OS Performance Analysis; providing training and coaching about Performance Analysis and Crash Dump Analysis

Providing 2nd level support for the Solaris Operating System: • Analysis and solution of system and OS software defects • Installation, configuration and tuning of complex client/server systems in heterogeneous networks • Analytical methods: tracing processes, analysing userland core dumps, snooping network traffic, assisting with administrative tasks

Providing Customer Services and Support for the Sybase SQL Server, Adaptive Server Enterprise, Adaptive Server Anywhere and the IDE PowerBuilder: • Supporting all technical post-sales issues reported by the customers • Identifying the root cause and providing efficient solutions • Providing on-site support in critical situations • Assisting HR by interviewing job applicants regarding technical skills

Administrator (Student assistant) for systems and networks of the departments for Mathematics and Computer Science • Installation, test and administration of Sun hardware, Operating Systems (SunOS and Solaris) and network components • Analysis and fixing of hard- and software errors • Advising users • Installation and testing of RDBMS (Sybase and Oracle) • Assistance with the development of a GUI as a RDBMS frontend in Motif, Tcl/TK and C for the user administration

Computer Networks, Operating Systems, Databases Thesis of diploma: Bandwidth regulation for the transport layer in local area computer networks