César Aguilar Vásquez

Oracle Cloud Database Architect | MAA Certified Expert | ExaCS, DBCS, Autonomous | OCI Architect-Associate

Málaga, Andalusia, Spain

About

18 years of experience as IT Professional. During last 10 years I´ve been specializing in Oracle Database, worked with versions: 9i/10g/11g/12c/18c/19c. Senior Oracle Cloud Database (OCP Database Cloud Admin, OCE Maximum Availability & OCP12c/11g) over 10 years of experience in supporting a wide range of Oracle database projects in many countries of LATAM, Migrations Oracle database on-prem to OCI, Highly skilled in Oracle DBA - Installation, Administration, creating Backup & Recovery Strategy, Performance Monitoring/Tuning design and implement solutions Oracle Database: High Availability, Disaster Recovery, Manage Databases on Exadata Cloud Infrastructure ExaCS, patching and updating ExaCS. As a contributor to the OTN community I have written different articles about the Oracle Database and participated as a speaker in the Oracle OTN Tour.

Experience

  • Senior Database Manager at Santander Digital Services
    Oct 2024 - Present · 1 yr 10 mos

  • Kyndryl ()
    • Team Lead Database Cloud
      Apr 2023 - Jan 2025 · 1 yr 10 mos

      • Technical Leader as an Oracle Database Cloud Architect/Administrator for sector Banking, providing Oracle Database solutions for the customers. Design and implementation of Oracle Database Cloud architecture projects, migrations, continuous improvement activities. • Working with customers to improve their business through the use of Oracle’s Cloud Database Services. • Ensure optimization of resource usage to increase throughput and minimize contention in Oracle Cloud Databases Services, ExaCS, Autonomous Database, DB System. • Presentations Technical of Oracle Cloud Database reports to the different customers of sector Banking. • Definition of annual objectives and monthly maintenance tasks for Oracle N2 Database Consultants. • Risk detection and design of work plans for their mitigation in the Oracle Database platform for different customers. • Supervision and follow-up of the objectives of the DBA N2, for the fulfillment of the area indicators. • Performed troubleshooting, backup and recovery, proactive database and system maintenance, monitoring, security implementation. All levels of performance tuning, architecture, design and support.

    • Senior Cloud Database Administrator
      Jul 2022 - Jul 2023 · 1 yr 1 mo

  • Senior Database Oracle Consultant at TIVIT LATAM
    Sep 2019 - Jul 2022 · 2 yrs 11 mos

    • Working as an Oracle Senior Database Administrator/Architect, providing Oracle Database solutions for the customers. Design and implementation of Oracle database architecture projects, migrations, continuous improvement activities. • Migrations Oracle Database on-prem to solutions built GCP – Bare Metal Solutions for different customers. • Presentations of Oracle database reports to the different customers of TIVIT LATAM. • Definition of annual objectives and monthly maintenance tasks for Oracle N2 Database Consultants. • Risk detection and design of work plans for their mitigation in the Oracle Database platform for different customers. • Supervision and follow-up of the objectives of the DBA N2, for the fulfillment of the area indicators. • Administering Oracle Database 9i, 10G, 11g, 12C, 18c, 19c on Windows as well as Linux environment and EXADATAS Systems for different customers in LATAM. • Install, maintain, monitor, tune and recover RAC databases, Clusterware and ASM environments, knowledge of Clusterware, ASM and Oracle RAC Database architectures as well as installation, configuration, backup and recovery, monitoring and tuning of these components for different customers. • Creating physicals and a logicals standby database, managing Oracle Net Services in a data guard environment, using Oracle active data guard, and creating and monitoring a data guard broker configuration. Fluency in and a understanding of Oracle Data Guard concepts, configuration, management, optimization and monitoring, data protection, HA and disaster recovery. • Performed troubleshooting, backup and recovery, proactive database and system maintenance, monitoring, security implementation. All levels of performance tuning, architecture, design and support.

  • Consultant DBA Oracle at Refundation Consulting Group
    Jul 2015 - Oct 2019 · 4 yrs 4 mos

    Implanted a quantity of Oracle High Availability projects with Oracle Data Guard and Dbvisit Standby in all its versions. Manage backups, standby instances, and disaster recovery plan. Implanting RMAN policies & Backup/Recovery Strategy for critical databases. Implanting Oracle Enterprise Manager Cloud Control 12C. Migration of heterogeneous environments ( Linux, AIX, Windows). Implanting, Patch’s, maintenance, improving, , tuning, optimizing and more configurations of Oracle Databases. Monitoring emails / alerts and act on / troubleshoot issues, memory usage/performance/response times. Performing general technical trouble shooting and giving consultation to development teams. Complete planning and documentation prior to new integration or implementation

  • Ingeniero de Sistemas at PDVSA ECUADOR
    Sep 2011 - Sep 2014 · 3 yrs 1 mo

    Análisis y diseño de la ingeniería básica e ingeniería de detalle de la infraestructura tecnológica en el Proyecto Refinería del Pacifico. Administración de Bases de Datos Oracle 11g. Desarrollo de proyectos y selección de proveedores para la adquisición de nuevos recursos tecnológicos.