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Kader KHALDI

Bruxelles

En résumé

20+ years’ of design, development and Tuning of databases achieved as a Consultant for major multinational corporations.


Domains of Expertise:
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- Database Design, Development and Administration
- Database Audit, Setup and Performance Tuning
- Database high availability Setup Administration and Tuning
- Technical Project Management
- Production Team Management
- Oracle and Microsoft SQL Server

Mes compétences :
Developer
Oracle Performance tuning
Oracle architect
Administration de bases de données Oracle
Administration de bases de données SQL Server
Management

Entreprises

  • Kompass - Senior Database Administrator / Architect

    Bruxelles 2012 - maintenant Kompass.com
    ---------------------
    - Migration of the Development, Test and Production databases from the head office datacenter to the local servers.
    - Administration (upgrade/patching, backup/recovery, performance watch/tuning…) of the migrated Oracle databases.
    - Data model changes, production releases and support to the developers’ community through queries and procedures rewrite/tuning.

    Environment : Oracle 11g, Linux, Oracle Enterprise manager, Oracle rman, Toad, Oracle RAC


    New Kompass.com
    ----------------------------
    - Migration of the Development, Test and Production databases from the local servers (Oracle/Linux) to SQL Server 2012 on the Microsoft Cloud environment AZURE.
    - Administration of the windows server virtual machines and the SQL Server databases on the Azure Cloud.
    - Data model changes, production releases and support to the developers’ community through queries and procedures rewrite/tuning.

    Environment : The Microsoft AZURE Cloud, Microsoft SQL Server 2012, Windows Server 2012, Microsoft SQL Server Management Studio, AllwaysON High Availability and disaster recovery solution.
  • Lapeyre - Senior Database Administrator / Architect

    Courbevoie 2011 - 2012 Project: P2
    Migration of the 40+ business applications to the central group datacenter, the size of the databases involved varied from for few gigabytes to several terabytes.

    Database Migration:
    - Migration planning and organization of the different application databases
    - Database setup and configuration on the target datacentre servers
    - Database migration from the current RAC servers to the target datacentre servers

    Qualification:
    - Data preparation for the applications qualifications on the target datacentre servers
    - Database and applications performance tuning on the target servers

    Administration:
    - Day to day database administration of the current and the datacentre databases.
    - Support to the different applications development teams

    Environment : Oracle 10g/11g, RMAN, Oracle Datapump, Oracle Enterprise Manager, Linux, AIX, Toad.
  • Marsh - Senior Database Administrator / Architect

    Puteaux 2011 - 2011 - Design of an insurance data warehouse to feed a Hyperion environment for the Business Intelligence and the production reporting.
    - Design and development of interfaces between CLEVA (an insurance ERP running on an Oracle database) and the core financial system EUROSYS (running on a main frame).
    - Day to day administration and support of the CLEVA interfaces

    Environment : Oracle 10g/11g, PL/SQL, CLEVA, Linux, Windows 2003, Toad.
  • Quod Financial - Database Team Manager / Architect

    Puteaux 2009 - 2011 Manager of the Database Team Responsible for

    - Design of the Application’s multi-vendor Databases architecture (Oracle and SQL Server)
    - Production Databases administration and performance tuning (internal and on client sites)
    - Databases maintenance and evolutions design and developments (Oracle and SQL Server)
    - Implementation of RAC for client’s Oracle database platform
    - Implementation of Dataguard for client’s Oracle database platform
    - Implementation of Transactional peer-to-peer replication for client’s SQL Server platform
    - Clients and developers third line support

    Environment: Oracle 10g/11g, SQL Server 2005/2008, RAC, Dataguard, PL/SQL, Unix, Linux, Windows 2003, Case Studio, Toad,.
  • Pitney Bowes - Senior Database Administrator / Architect

    Saint Denis 2008 - 2008 - Administration of the development, test and production databases
    - Oracle Setup and patching of existing and new servers (Linux, Solaris and AIX)
    - Design, creation and deployment of the databases
    - Deployment of an Oracle Enterprise grid control to monitor the different databases
    - Databases monitoring and optimisation (both server side and application side)

    - Design and development of production control and business intelligence applications and Reports

    Environment: Oracle 9i/10g, PL/SQL, AIX, Solaris, Linux, Toad, Insider
  • IBM France - Database Team Manager / Architect

    Bois-Colombes 2008 - 2008 Project: Laratransfo
    Re-design of the invoicing system in order to facilitate the maintainability and to meet the new client’s performance requirements. In fact the number of users of the new invoicing module will grow from 2500 to 10000+ in a short period (1 year) due to the client’s exceptional growth.

    - Design and validation of the different solutions with the Validity Design team, the clients database administration team and infrastructure team.
    - Edition of the Design Architecture documents and the detailed Specifications document used by the development team.
    - Lead of the development (performed in a client subsidiary company in DUBAI).
    - Code review and performance tuning.

    Environment: Oracle 10g, PL/SQL, Forms, Reports, AIX, Toad, UML,
  • ESSEC Business School - Senior Database Administrator / Architect

    CERGY 2006 - 2007 Project: Banner STC / Alumni
    An Oracle based ERP used for the management of the university’s different resources (students, Alumni, fund raising, contributors etc.)

    - Design and lead development of interfaces between STC Banner and third party applications. Including:
    - Data loading of online payments (students subscriptions and fund raising)
    - Data loading of students information from newly acquired institutes
    - Generation of the students and Alumni paper directory information
    - Generation of the subscription lists used by the mass mailing department.
    - Performance tuning of the database and the applications.
    - Administration of the Banner databases and lead of the technical support to the development community.

    Environment: Oracle 9i/10g, SQL, PL/SQL, Toad, UNIX (Linux)
  • Accenture - Database Team Manager / Architect

    Paris 2004 - 2006 End Client : CARREFOUR

    Project: Mandala
    Multi-terabytes datawarehouse of the core business data (sales, stocks, receptions.) used by the business intelligence tools Microstrategy and Business Objects

    - Administration of the development and acceptance databases.
    - Migration from a hash 8 to a hash 16 Oracle 10R2 database on HP Itanium and deployment of a parallel run between the old and new databases model in order to evaluate the performance improvements.
    - Design and development of interfaces to load the data warehouse from the daily received countries flat files.

    Project: RSR
    A datawarehouse centralizing the general expenses data of the business units of 25 countries, the data is extracted from the different PeopleSoft modules (PO, AP, AR and AM). The RSR datawarehouse is used by the business intelligence platforms (Microstrategy, Business Objects and SQR) for analytical reporting

    - Lead development of the ETL modules
    - Performance tuning of the RSR architecture including:
    - Partitioning and summery materialized views
    - Redesign of the extractions modules to improve the data loading.
    - Administration of the RSR development and acceptance databases.

    Project: PAT (Analytical Procurement Tool)
    A star datawarehouse used by Hyperion Essbase to provide different reports and dashboards to facilitate the negotiations with the products suppliers worldwide. The data is extracted from the PeopleSoft modules and reorganized into a star model database.

    - Development team leader responsible for:
    - Project planning, team stuffing and the development day to day management
    (Workload estimation and dispatch)
    - Design of the PAT star model to meet the functional specifications.
    - Design and performance tuning of the ETL procedures.
    - Administration of the development and acceptance databases.

    Environment: Oracle 10g, PL/SQL, Toad, AIX, Shell script, PeopleSoft, Precise
  • UNC Finance - Database Team Manager / Architect

    2002 - 2003 - Technical manager of the development team (4 developer/DBA)
    - Design of financial calculators used by the loan/mortgages applications
    - Design of an application to manage the client’s management database.
    - Administration of the client’s and the mortgages databases.

    Environment: Oracle 9i, PL/SQL, Forms, Java, UNIX, Toad
  • Groupe ETAM - Database Team Manager / Architect

    Clichy 2001 - 2002 - Technical manager of the core team (3 developers, 2 DBA). The core team was responsible for the development and the maintenance of the main business database applications including Sales, Pricing, Stock, Suppliers and Shops replenishment.
    - Development of different modules of the core system (pricing and currency conversions)
    - Development of modules of the overnight batch system responsible for the sales and stocks data load from the shops to the central database
    - Database administration and applications support

    Environment: Oracle 8i, PL/SQL, UNIX, Shell Script, Pro*C, Toad
  • Aviva - Senior Oracle Developer

    BOIS COLOMBES 2000 - 2001 Project: medical claim system

    - Development of different modules of the new medical claim system
    - Development of different interfaces between the medical claim system and the clients and suppliers
    modules.

    Environment: Oracle 8i, PL/SQL, Forms, Reports, UNIX
  • Nestor Healthcare Group PLC - Database Team Manager / Architect

    1998 - 2000 - Management of the interfaces development team (5 Developers, 1 DBA) responsible for the development of different interfaces between the agencies databases, the payroll system and the finance databases.
    - Management of the operational team (1 developer, 2 DBA, 2 operators) responsible for the daily data delivery from the agencies to the head-office central database.
    - Design and development of different reports for the finance department (Accruals, Commissions, missing invoices etc).
    - Design and development of a helpdesk application used to fix the most common agencies databases problems

    Environment: Oracle 7/8i, PL/SQL, Forms, Reports, Agresso, Toad
  • Deutsche bank - Senior Oracle Developer

    Paris 1996 - 1998 Project: Redevelopment of the Reuters Assets data feed interfaces system from a C application on an ICL mainframe to a C/Oracle application on UNIX.

    - Design and development of different interfaces between Reuters Assets data feed and the Morgan Grenfell databases, the row data was processed through a complex set of financial rules and used to populate the different databases of the company core system.

    Environment: UNIX, Windows NT, Oracle 7, Pro*C, SQL, PL/SQL
  • BBC News - Test Manager

    Londres 1995 - 1996 Project: The BBC Payroll System

    - Management of the test team (5 peoples)
    - Design of the test cases and scripts for the system testing and the user acceptance
    - Data preparation for the volume testing.
    - Management of the issues list and bug fixing allocation to developers

    Environment: Windows, Access, Progress, UNIX
  • IFG - Oracle Team Leader / Developer

    Paris 1992 - 1995 - Technical manager of the development team (4 developers)
    - Audit of the IT system with recommendations to improve efficiency and cost-effectiveness.
    - Development of interfaces between the invoicing, the payroll and the financial modules.
    - Design of “PROPAYE” a payroll system for the freelance teachers, in addition to the payroll calculations the system provide automatic interfacing with the financial module on VAX/VMS and the Oracle invoicing module.

    Environment: PC/Windows, VAX/VMS, Oracle, PL/SQL, Turbo C, Windev
  • Aerospatiale - Developer

    1990 - 1992 Project: SET for AUTOCAD (Part of the European space shuttle project ‘Hermes’)
    SET (Standard Exchange and Transfer) consists of an interface between CAD databases. It is a standard set up by AFNOR to normalise CAD database formats to exchange designs and sketches between different platforms.

    - Technical manager of the development team (5 developers and 2 CAD designers)
    - Development of the Artificial Intelligence engine of the SET application.
    - SET application demonstration at major CAD exhibitions.

    Environment: IBM PC/DOS/Windows, LISP, C, AutoCAD Development System
  • Groupe Bull - Developer

    Les Clayes-sous-Bois 1990 - 1990 - Design and development of different of programs to connect cheque readers to electronic cashier used in supermarkets and stores for credit clearance purposes.

    Environment: IBM PC/DOS, C, UNIX
  • Groupe testut - Developer

    1988 - 1990 - Technical Manager of the development team (5 developers and 2 hardware technicians).
    - General design of the architecture of the application.
    - Development of communication drivers to connect a network of electronic scales to PC’s through multi-ports RS 232C (used by the main application)

    Environment: IBM PC/DOS, Turbo Pascal, Assembler, PC SOFT Hyper Pack (development tool)

Formations

  • Koenig-Solutions (New Delhi)

    New Delhi 2013 - 2013 Oracle 11g: Data Guard Administration
  • Koenig-Solutions (New Delhi)

    New Delhi 2013 - 2013 Oracle 11g: RAC and Grid Infrastructure Administration Accelerated 2
  • National Institute Of Electricity And Electronic (Boumerdes)

    Boumerdes 1983 - 1988 1988

Réseau

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