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Projects and Experience in 20 years as a freelance consultant


Since 10/11
(still current)
Commerzbank AG, Frankfurt
Development of a new application for the collection and preparation of data for the Bundesbank Regulatory Reporting modules SolvV und GroMiKV (Solvency Regulations and Large Exposure Reports). The data to be formatted and delivered as XML-Files in Ascii to the server-based reporting software ABACUS/DaVinci (Bearing Point), with the intent of replacing the mainframe-based reporting software SAMBAplus.
- Design and development of a new database-partition management application including an automatic historization concept
- Database design
- SQL-Optimization
- MVS (z/OS), COBOL, DB2, XML, XBRL
Since 10/11
(still current)
Commerzbank Ag, Frankfurt
Mentoring younger, less experienced Commerzbank employees, in particular in the areas of programme structure, programme design and SQL.
Since 10/11
(still current)
Commerzbank AG, Frankfurt
Development and subsequent maintenance, enhancement and production-support of a new application for the collection and preparation of data for the Bundesbank Regulatory Reporting modules SolvV und GroMiKV (Solvency Regulations and Large Exposure Reports). The data to be formatted and delivered as sequential files to the standard reporting software SAMBAplus (Logica) within the framework of the project to implement BASEL II.
- Conception and implementation of new standards regarding programme structuring
- Design and development of the principal main programmes
- Database optimization (also in SAMBAplus itself)
- MVS (z/OS), COBOL, DB2, SAMBAplus
01/97 - 12/09
Deutsche Landwirtschafts-Gesellschaft e.V., Frankfurt
(German Agricultural Society) Ongoing support as needed.
- Technical support in the areas of Unix and Oracle database administration
- Maintenance and enhancement of various batch- and online-applications in AcuCobol (now Micro Focus Extend)
- Porting of a batch- und online-application from HP-UX to WindowsXP
- HP-UX, Oracle, AcuCobol, Acu4GL
03/08 - 06/08
Commerzbank AG, Frankfurt
Redesign und optimization of the processing of the feedback files from the Bundesbank.
- Replacement of a Unix-based Java application with a new COBOL application running on the mainframe
- Reading, processing and writing various XML data files direct in Ascii
- MVS (z/OS), COBOL, XML
08/05 - 04/07
Commerzbank AG, Frankfurt
Redesign und optimization of the central programme for the daily valuation of the bank's own securities portfolio.
- MVS (z/OS), COBOL, DB2, IMS/DB
06/02 - 07/05
Commerzbank AG, Frankfurt & Hamburg
Maintenance and enhancement of the central credit limit system.
- 2nd Level Support, analysis and repair of errors in the production environment, database analysis, consistency checks and correction
- Development and implementation of a concept for the technical optimization of the credit- and overdraft-limit calculations (reworking of the algorithms, database design and SQL optimization
- Quality assurance (code review & acceptance tests)
- MVS(OS/390, z/OS), COBOL, DB2, IMS/DC
06/03 - 06/04
Landschaftsverband Rheinland (LVR), Köln
Local government organisation.
Completion of a feasibility study for a system migration from MVS (OS/390) to Windows 2000 and technical support of the subsequent migration project.
- Selection of the software components
- Conception of the technical solution process
- Migration from DB2 to Oracle
- MVS, COBOL, DB2, Oracle, PL/1, JCL, Windows
05/01 - 05/02
BHF-Bank AG, Frankfurt
Supervision and maintenance of an interface between the mainframe and a portfolio analysis system running on Unix, including the changeover to the use of ISIN.
- Analysis and correction of errors in the production environment
- Development of online DB maintenance programmes, SQL optimization
- Programme and interface extensions for the WKN/ISIN migration
- MVS(OS/390), COBOL, DB2, IMS/DB, IMS/DC
01/98 - 04/01
Commerzbank AG, Frankfurt
Maintenance, enhancement and optimization of the central credit limit system, including Year 2000 changes and the introduction of the euro.
- MVS, COBOL, DB2, IMS/DB, IMS/DC
06/97 - 12/97
Commerzbank AG, Frankfurt
Conversion and reorganization of the cost centre database.
- MVS, COBOL, DB2, IMS/DC
01/97 - 05/97
Commerzbank AG, Frankfurt
Design and implementation of a central credit limit system.
- MVS, COBOL, DB2

 

 



earlier experience as a permanently employed consultant


1985 - 1996
Commerzbank AG, Frankfurt
Design and implementation of a central credit limit system.
- MVS, COBOL, DB2


Deutsche Landwirtschafts-Gesellschaft e.V., Frankfurt
Migration from a Unisys mainframe to a HP-UX computer, including the conversion from the hierarchical Unisys database DMS II to Oracle 7.
- HP-UX, Oracle, AcuCobol Acu4GL Oracle, selbstentwickeltes Migrationswerkzeug


Leybold AG, Köln
AOK, Frankfurt am Main
Stadtwerke Frankfurt am Main
Energieversorgung Offenbach AG
Deutsche Bundesbahn AG, Köln & Karlsruhe
Sparkassenversicherung, Wiesbaden
Landeshauptstadt Saarbrücken
SAARLAND Versicherungen, Saarbrücken

Technical project leader in several DOS/VSE to MVS migration projects using the conversion tool BranschData-Converter. The projects involved the complete programme and JCL inventory of the installations, with a 'Big Bang' cutover to production on a single weekend.
- Creation of both rough and detailed project plans using MS-Project, alternatively Harvard Project Manager
- Problem analysis and development of the technical solution process
- Development of customer specific conversion routines
- MVS, VSE, CICS, DL/1, DB2, COBOL, Assembler, REXX, PL/1


Kirchliche Zusatzversorgungskasse, Köln
Development of an administration system for both partners and insured parties.
- MVS, COBOL, NATURAL, CICS, DB2


ZDF - Zweites Deutsches Fernsehen, Mainz
Conversion of an application from von COBOL to VS-COBOL2.
- COBOL, REXX


IBM Deutschland, Sindelfingen
Consultancy and development work in the area of IBM-COPICS.
- VSE, ASM, COBOL, DL/1


Deutsche Bank AG, Eschborn
Data extraction for the creation of a new data dictionary.
- MVS, ASM, DB2


Wegmann GmbH, Kassel
Consultancy and development work in the area of IBM-COPICS, as well as technical support in the area of DL/1 Tuning.
- VSE, MVS, ASM, COBOL, CICS, DL/1

 

 

 

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