Guido Jacobs

Berufserfahrung von Guido Jacobs

• Bis heute 29 Jahre und 1 Monat, seit Juni 1995

  Systems Engineer DB2 Z/OS

  IT

  Automatisierte Bereitstellung von Testsystemen, Datenstaging, Performanceoptimierung, Consulting, klassische Datenbankadminitration, Datenbankmigrationen, ISV Migrationen, Toolprogrammierung

• 2 Jahre und 9 Monate, Apr. 2009 - Dez. 2011

  Database Engineer

  Commerzbank AG

  Bankintegration: ETL of specific accounts in the accounting system runtime estimation of batch/online processes, optimization suggestions, e.g. process parallelisation, partitioning, SQL tuning

• 3 Jahre und 3 Monate, Jan. 2006 - März 2009

  Systems Engineer Mainframe

  Citicorp Operations & Consulting GmbH

  DB2 Z/OS: Rollout DB2 V8 and related systemsoftware Implementation Datasharing Problem Analysis and Solution Change Management Performancetuning on System- and Applicationlevel Performancetrainer in Singapore location Systemcloning Systemrecovery Systemautomation DB2 Connect Websphere Securityconcepts Housekeepingautomation Consultingservices

• 1 Jahr und 7 Monate, Juni 2004 - Dez. 2005

  DB2 Z/OS Expert

  Commerzbank

  Bankintegration, Generation of DB2 Testenvironments, Batchtimeestimation and Tuningpotential, Advising of Developmentstaff on all DB2 related queries Conversion of DDL and Data for Kordoba to DB2

• 1 Jahr und 9 Monate, Sep. 2002 - Mai 2004

  Systemsprogrammer DB2 Z/OS

  Sparkassen Informatik

  Rollout DB2 V7.1 and related systemsoftware SMP/E DB2 Datasharing Problem analysis and solving Performancetuning on system- and application level DB2 RACF-exit

• 8 Monate, Feb. 2002 - Sep. 2002

  DB2 Systemsprogrammer

  T-Systems

  Coaching of DB2 sysprogs Maintenance rollout DB2, BMC tools Recovery strategies Online systemcopy (Flashcopy)

• 3 Jahre und 10 Monate, Mai 1998 - Feb. 2002

  DB2 Systemsprogrammer and DBA

  Sparkassen Informatik Services West

  Releasemanagement Problemmanagement Changemanagement SAP R/3 database server Datasharing Performancetuning Systemautomation Offline systemcopy Housekeeping automation

• 3 Monate, Feb. 1998 - Apr. 1998

  Applicationdeveloper

  Dresdner Bank

  Maintenance of REXX procs for software delivery to cater for Y2K and multi LPARs

• 2 Monate, Dez. 1997 - Jan. 1998

  DB2 OS/390 Systemsprogrammer

  Deutsche Bundesbank

  Setup of new DB2 V4.1 subsystems Connectivity to IMS Systemdocumentation SMP/E Handover

• 3 Monate, Aug. 1997 - Okt. 1997

  DB2 DBA

  Barmer Ersatzkasse

  DB2 Databaseadministration DDL Housekeeping Performancemonitoring

• 2 Jahre und 3 Monate, Apr. 1995 - Juni 1997

  Systemsprogrammer and DBA

  Kaufhof

  Systemsprogramming and DBA DB2 OS/390 Systemsprogramming and DBA Sybase / MS SQL server Stored procedures for DB Reorganization DBA Oracle

• 3 Jahre und 8 Monate, Aug. 1991 - März 1995

  Systemsprogrammer and DBA

  Kaufhof

  Systemsprogramming and DBA DB2 MVS SMP/E Housekeeping procedures Development of DBA tools Plan to package conversion Performancetuning Systemsprogramming and DBA Sybase / MS SQL Server