William David Alba Herrera

William David Alba Herrera

About

Detail

Middleware Administrator | ETL Developer | DBA | SQL Developer
Departamento de Boyacá, Colombia

Contact William regarding: 

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Full-time jobs
Starting at USD3K/month

Timeline


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Job
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Education

Résumé


Jobs verified_user 0% verified
  • I
    Mddleware administrator
    ITerActiva Group
    Jul 2022 - Current (2 years 11 months)
    • Incidents and requirements support on Oracle Middleware products. • Installation, configuration, and administration of Oracle Fusion Middleware products. • Analyze, solve, and explain possible communication problems between applications or program packages, networks, hardware, and/or operating systems. • Tuning of Oracle Middleware products.
  • I
    SQL Developer
    ITerActiva Group
    Mar 2021 - Jul 2022 (1 year 5 months)
    •Development of complex SQL queries and filters for data manipulation. •Query optimization for better performance. •PL/SQL development for automated tasks. •Migration of legacy files to the database for improved data management. •Integration of information platforms for data manipulation using Oracle Data Integrator. •ETL development to identify incidents in the provision of Claro services and mitigate their losses. •Deployments to production environments and hot fixes. •Development documentation like requirements elicitation, arquitecture definition and others. •Leadership and training of new recruits.
  • D
    Oracle DBA
    Dimensions SAS
    Mar 2020 - Feb 2021 (1 year)
    • Monitoring and troubleshooting Oracle databases on hospitals. Offering uninterrupted support to the services. • Query tuning on ETL developments. • Installation and configuration of databases.
Education verified_user 0% verified
  • Oracle
    Oracle Cloud Infrastructure 2023 Certified Foundations Associate
    Oracle
    Jul 2023
  • CertiProf
    Product Owner
    CertiProf
    Nov 2020
  • Universidad PedagĂłgica y TecnolĂłgica de Colombia
    Postgraduate Degree, Data Base Especialist
    Universidad PedagĂłgica y TecnolĂłgica de Colombia
    Jan 2020 - Dec 2021 (2 years)
  • Universidad PedagĂłgica y TecnolĂłgica de Colombia
    Engineer's degree, Computer Software Engineering
    Universidad PedagĂłgica y TecnolĂłgica de Colombia
    Jan 2014 - Dec 2019 (6 years)