Project work of an complex b2b-application based on java (servlets, jsp, jdbc) and oracle 8.x. System administration of parallele servers (software distribution, data recovery), administration of web and application servers (tomcat, orion); Project work (programming languages javascript/perl) for an CD-version of an offline shop, installation of an linux based server with Oracle 8.x and embedded-perl-connection; Installation of some Sun Enterprise servers and integration in an server farm, firewall adaption.   System administration of an heterogenous network (Solaris, Linux, Windows 9x); Setup of an domain with three sub domains and establishing central services like Mail and DNS; Setup of WWW servers for two centres and ongoing servicing of the student assistants; Adaption of the library database management systems Allegro-C for the requirements of the local librarys; Adaption of the Perl interface for the web connection for the library database; Setup of multiple Linux workstations for spezial applications (Matlab); Developing programms based on Java-servlets-JDBC for the office; Helpdesk, support for the scientific staff ; Training (Office programs, web browser, mail programms, utilization of the internet for the scientific work); Determination of material requirements, offer collection and ordering of computer technique.   Developing of an data gathering und database programms based on DBase IV for the catalog of magazine articles; Installation and database administration with Oracle 7.1.   Developing of memory moduls for the Apple MacIntosh II FX; Developing on an SCSI controller with memory expansion for the Amiga 500.