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Hamza El BouayadiHE

Hamza El Bouayadi

Senior DBA Administrator

€700/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Hamza

Senior Database Administrator with over 9 years of experience in managing, optimizing, and migrating databases (Oracle, SQL Server, MySQL, PostgreSQL). Specialist in hybrid cloud migrations (AWS, GCP) and high availability (RAC, Dataguard, Galera). Multi-sector experience (telecom, industry, IT services). Strong track record of delivery on critical projects with Orange, Intelcia, and Capgemini.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Paris (up to 50km)

Experience

  • Orange Caraïbes
    Senior DBA Administrator
    March 2023 - Today (3 years and 3 months)
    • Migration Oracle → PostgreSQL GCP and Oracle → AWS RDS via DMS (25% infrastructure reduction).
    • Operational maintenance (4 RAC, 3 Active Dataguard,
    • Partitioning/Subpartitioning of large materialized views (over 100GB per materialized view
    • with Ansible/Terraform
    • Goldengate management (10 production/non-production streams).
    • SQL and large table performance.
    • Writing technical documentation in Confluence.
    AWS AWS DMS Gitlab CI/CD Terraform Ansible
  • Intelcia IT Solution
    DBA Administrator
    June 2022 - August 2023 (1 year and 2 months)
    • Migration On-Premise Databases → AWS (MySQL, SQL Server).
    • Implementation of replications and backups strengthening BI reliability.
    • SQL Server performance audit and automated maintenance plan (+30% performance).
    • Securing access to MySQL databases with automated audits and processlists.
    • Automation of MySQL replication recovery after restart.
    Technical environment: Oracle Standalone, SqlServer, Mysql, AWS RDS, AWS DMS, AWS S3 Scripting: Shell, Terraform
  • Capgemini
    DBA Administrator
    November 2017 - May 2022 (4 years and 6 months)
    Morocco
    • L2/L3 incident management, audits, DRP, database governance.
    • Creation of Build-to-Run and capacity planning reports.
    • Migration, patching, performance optimization (40% performance gain).
    • Implementation of RMAN and Datapump backups.
    • Logical security and tablespace performance management.
    • Participation in critical projects (Suez R&V, Essilor, Prosodie).
    Technical environment: Oracle 10G, 11G, 12C, SqlServer, Progress, Mysql

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Education

  • Specialized Master
    2021
    Master Spécialisé
  • Professional Bachelor's Degree, Database Administration
    2017
    Licence Pro, Administration BDD

Skill set

Categories