SAP & Oracle Berater und Entwickler, IT Manager

Name:                        David Konvalina

Adresse:                     Hannover, Deutschland

                                    Prag, Tschechien

Geburtsjahr:              1970, 2 Kinder (7 & 7 Jahre)

Nationalität:               tschechisch

Kontakt:                      dkonvalina(at)

                                   +49 179 1314047

                                +420 608 227 659



Stundensatz:              Freiberufler stundensatz (bitte um Kontakt!)

Verfügbar seit:           01.01.2011 (40-60%)



GULP ID:                      82065

Andere Profile:           LinkedIn Profil, XING Profil



Haupttätigkeiten und Skills

SAP zertifizierter SD Berater und Entwickler, SAP XI, EDI, SAP Solution Manager, SAP ByDesign, Oracle Data warehouse Architekt und Entwickler (DB+OWB)





Summary and Objectives

After 20 years of IT experience in different areas and positions, like Project Management, IT Management, System Design, Programming, Business Consulting I feel strong in the Consulting, both business and technical.

I am offering a broad knowledge and experience combined with managing, team working and team leading skills, out-of-the-box view and precise results, a Professional who is not scared of the newest technologies and always finding an effective and quick solution.

I have been working in high management positions, middle management, team leading and team member positions, strictly consulting or developing positions, on provider as well as on customer side, so I know 360 degrees view of the whole situation.

I worked alone as Freelancer, in small (15 people) or big (over 70.000 employees) companies, working as Employee, service provider, internal and external consultant. Been working in Czech companies, international internet companies, in German companies or even alone, as Freelancer.


All those varieties and experiences I would like to incorporate in my next job, which I am searching in the area of Prague, Dresden or similar, to be closer to my Family, which is living in Prague.




Ing.     Czech Technical University in Prague – Mechanical engineering

            Automatization and Engineering Informatics, 1993


SAP SD Certified Business consultant, 2004

Microsoft Certified Professional (MCP), 1998



English – fluent

German – fluent

Czech – mother language

Russian – passive (school Russian)



Driver’s license – passenger car

Permanent working permit in Germany



Badminton, biking, books, IT (computers, media, entertainment), cooking




3/2010 – 12/2010

SAP ABAP Development


Chemie industry (Solvay, Hannover, Germany)


Developing SAP WM mobile data entry application with Dynpros, WebAS for use in inbound and outbound goods processes, mostly WM area, data takover from old system

1/2008 – now

SAP SD/EDI Consulting and Development


Automotive supplier (Johnson Controls, Hannover, Germany)


Rollout projects, 2nd level support, spezial processes design and development, optimization of logistic processes

Main topics: self billing, pricing, ALE, IDoc processing, Mass data updates, LSMW, Printing, Rebate agreements, Rebate evaluation program, Customer hierarchy analysis, design, Change documents analysis, custom authorization objects, sales user exists, BTE, Enhancements, BAPI, BAdI,…



10/2007 – 12/2007

SAP CRM IC WebClient & SAP SD Development


Telecommunication (Dangaard – Danish Telecom, Denmark)


Support of the project team short before go-live in areas of SAP CRM IC WebClient developments enhancements as well as SD activities like EDI developments, BAPIs, custom picking program with bar code reader



07/2007 – 09/2007

Oracle consulting, architecture, optimization and Development

Oracle 10.2, OWB 10g Rel.2

Banking/Finance (Deutsche Apotheker- und Ärztebank s.G., Düsseldorf, Germany)


Importing and conversion of data from production SAP System (and external systems) into Data warehouse via Oracle OWB tools.

Main topics: architecture and build-up of Quality system and processes, Process standardization, automatization and concepts for transport of metadata, master data etc., analysis and design of ETL processes incl. Worklflows, OWB Experts (OMB+ scritpting), archiving of flatfiles on Unix level, DB optimization for Data warehouseing and ETL based on best practices



06/2006 – 06/2007

Oracle consulting and development

Oracle 10g, OWB 10g Rel.1

Automotive (Continental AG, Hannover, Germany)


Sales information data warehouse on Oracle basis with sources from SAP 4.6c and external systems

Main topics: Analysis, design and development of ETL Processes with OWB 10g Rel.1, PL/SQL, DB jobs, workflow developments, monitoring tools, portal reports, development of APEX/HTMLDB application for “ErrorPot” and “Transport and Management Application”, OMB+ scripting
Creation of support concept, integration into support tools, support activities
Transformation of user requirements into IT specifications



07/2006 – 06/2007

Oracle- and Webdesign and Project coordination

SAP R/3 3.1I, 4.6c, Oracle 10g

Automotive (Continental AG, Hannover, Germany)


Fleet management system on Web platform incl. data warehouse

Main topics: replacement of existing SAP 3.1I solution with custom web-based application (from 3rd party), project coordination, design and architecture of interface from SAP to Web app via SAP XI and Oracle, old data migration processes and logic, DWH design, structures, Model, Tables
Transormation of user requirements into IT Specifications
Tender for provider of the web app


10/2005 – 10/2006

Oracle subproject leader, implementation of interfaces

Automotive (Continental AG, Hannover, Germany)


Sales information data warehouse on Oracle with data from SAP
Main topics: subproject lead for interfaces of the DWH (multiple source interfaces, 8 foreign systems, 140 Objects, more than 300 Tables, different formats, periods, time zones,…), interface design, architecture and development using SAP XI



03/2004 – 12/2005

Project leader, consulting and development

SAP Solution Manager 3.1, 3.2 and 4.0 (CRM)

Automotive (Continental AG, Hannover)


Rollout and implementation of Service Desk module of SAP Solution Manager, SAP Solution Manager Upgrade and Change Management processes introduction
Creation and implementation of ITIL based international support processes incl. organization changes

Customizing and development of SAP Solution Manager, workflows, email agents, Smartforms, custom specific reporting
Upgrade of Solution Manager 3.2 to 4.0 (incl. basis activities)



07/2004 – 03/2006

SAP R/3 4.6c

Automotive (Continental AG, Hannover, Germany)


SAP R/3 & Support SD Module and Rollout to Hungary and Poland

Main topics: SD development, support, customizing, printing programs and SAP Script forms, barcode printing via HP, Lexmark, Zebra, custom specific print control and internationalization,…



04/2003 – 06/2004

SAP Consulting and Project sublead and coordination of local IT Managers

Release change from SAP R/2 to SAP R/3 4.6c

Automotive (Continental AG, Hannover, Germany)


Migration and release change of heterogenous R/2 system landscape to SAP R/3 system (USA & Europe) into one integrated system landscape, 25 company codes, 6000 users

Main topics: Design, Architecture, new definition, standardization of print processes, print devices, GUI Rollout, printer request processes and automatization



01/2002 – 06/2004

IT Manager with Budget responsibility

 for SAP R/2 RV, from 1/2003 for SAP R/3 3.1I SD, SM, FI, CO/PA

Automotive (Continental AG, Hannover, Germany)


SAP R/2 Project management, product management, support management

Main topics: management of support organization, new projects selections and financing, ROI analysis, Budget maintenance (several millions of Euro per year)
Coordination of local key users, time planning, maintenance planning, regular europewide key user conferences, know-how transfer, steering and coordination of external suppliers



01/2001 – 12/2001

System architect, Interface development

Automotive (Continental AG, Hannover, Germany)


Internet portal B2B2C for selling of tires over internet via 3rd parties in USA, Sweden and Germany.

Main topics: System architecture of the portal, HW environment, Connectivity, hosting, interfaces, definition of standards for portal web application

Concepts and organization of User Acceptance testing, web design and usability testing, development of interfaces, coordination of external provider




(Rest of the projects on request)

08/1999 – 01/2001

Benefide Innovation International, Production Manager, later General Manager (CZ)

IT service provider


Implementaion and rollout of IT eBusiness solutions for Telco- and Financial organisations, leading of developer teams, graphic designers, production management of 2 main flagship products, Pre-sales at customer premises


08/1994 – 08/1999

Czech Saving Bank, System analytic, Developer


1992 – 08/1994

Postbank, Telecommunication consultant and developer

                                Suche für Projekte in Großraum Dresden, Hannover oder Prag!