David Duenas Email & Phone Number

Spain

Caracas - Venezuela

As Senior Oracle Consultant support companies to assessment, design, install, configure, migrate, tuning and troubleshooting Oracle database and Oracle Fusion Middleware Forms & Reports on differents oracle product versions running over different Operating System and with the value-add of write in real-time the documentation with the step by step of each phase of projects to facilitate share know-how and also generate Key Performance Indicators (KPI) charts to better understanding of database behavior for decision makers and managers. The Oracle products used:Oracle Database versions 19.7, 12.2, 11.2, 10.2, 9.2, 8.x, 7.x & 6.0 Oracle Fusion Middleware Forms & Reports 12.2, 11.1 & 10.1Components configured: OCI, RAC, ASM, DataGuard, RMAN, Oracle Secure Backup, APEX, ORDS, EM GC, Oracle Pro*C. Over the following Operating Systems:Oracle Linux 7.x & 6.xRedHat Linux 5.6 & 4.0 Suse Linux 10 AIX 7.1, 6.1 & 5.3 Sun Solaris 9, 7 & 5Companies where these projects were developed:Insurance industry:Mapfre - VenezuelaIsalud - Chile La Venezolana de Seguros y Vida - Venezuela - PanamaPraforca Consultores/PFCevolution - Venezuela - PanamaMercantil Seguros - VenezuelaSeguros Avila - VenezuelaEstar Seguros - VenezuelaSeguros Horizonte - VenezuelaSeguros Carabobo - VenezuelaSeguros Federal - VenezuelaSeguros Provincial - VenezuelaHumanitas - VenezuelaTV Broadcaster industry:Directv - VenezuelaInter - VenezuelaBanking industry:BOD - VenezuelaRapidPago - VenezuelaFood industry:Sodexo - VenezuelaParmalat - VenezuelaCloud Services industry:DaycoHost - VenezuelaOthersCabel - Venezuela

Caracas - Venezuela

As external Oracle consultant from Mega Soft Computación, I was assigned to Mercantil Seguros (one of the major Insurance Company at Venezuela) to create, organize and maintain the database unit with 4 database administrators.Lead team and build the administration day to day policy to maximize the availability of oracle products at production and development environments.Design, planning, execute and lead the upgrade process of Oracle database servers and Oracle Application Servers. Worked with Oracle Database versions 8i, 9i & 10gR2 and Oracle Application Server Forms, Reports, Java, Discoverer, web cache versions 9i, 10g & 10gR2

Caracas, Federal District, Venezuela

As external Oracle consultant from Mega Soft Computación, I was assigned to Movilnet (one of the major telecommunication services Company at Venezuela) to Design and programming in Java and TCP/IP sockets the Online Internet Banking component for online payment from a Movilnet telco account to Mercantil Bank Account.

Caracas - Venezuela

At EMSCA - IBM Business Partner, I lead the database server unit for the project OTAC (Oficina Técnica de Administración Cambiaria) located at principal petroleum company of Venezuela - PDVSA, installing, migrating, tuning and troubleshooting of IBM Power/AIX servers, IBM storage and Oracle databases.

Caracas - Venezuela

As part of the Database Administrators team at the principal insurance company of Venezuela - Seguros La Seguridad (actual Mapfre), build the policy to day to day database administration at production and development environments. Installing, migrating and administering Oracle Database 6.0 & 7.0, on HP-UX 9.0 and HP-3000 MPE/IX

Associate'S Degree, Computer Programming

High School, Sciences