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Rachid Ben HocineRB

Rachid Ben Hocine

DBA Oracle, PostgreSQL, MySQL, Couchbase

€700/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Rachid

Database Architect / Multi-DBMS Expert with over 18 years of experience, specializing in data architecture design, database platform migration and modernization, and the development of automation solutions around DBMS. Strong expertise in relational and NoSQL environments (Oracle, PostgreSQL, MySQL, Couchbase, MongoDB, Elasticsearch), acquired on large-scale critical systems. I undertake both short and long missions: database audits, ad-hoc expertise, migration projects, industrialization, and technical team support.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Groupe La Poste
    Senior Database Administrator / DB Architect
    PUBLIC SECTOR
    November 2022 - Today (3 years and 7 months)
    Issy-les-Moulineaux, France
    • Multi-DBMS expertise on critical environments: Oracle, PostgreSQL, MySQL/MariaDB, Couchbase, Elasticsearch
    • Oracle / Exadata Expert (12c–19c): migration of Oracle 12.1 AIX to Oracle 19c on Exadata
    • Migration of Oracle 12.1 databases to PostgreSQL 15
    • Major Upgrades: MySQL 5.7 to 8.x, Couchbase and Elasticsearch to recent versions
    • Performance optimization for Oracle, PostgreSQL, MySQL, and Couchbase
    • HA / DR architecture studies and platform modernization
    • L3 Support and administration task automation

    Environments: Oracle RAC, Data Guard, RMAN, Exadata, PostgreSQL 15-17, MySQL 5.7–8, Couchbase, Elasticsearch, Red Hat Linux, SQL, Shell
    Oracle Database Exadata Couchbase PostgreSQL MySQL
  • Effisoft
    Senior Database Administrator
    SOFTWARE PUBLISHING
    June 2022 - October 2022 (4 months)
    Levallois-Perret, France
    • Oracle and MySQL/MariaDB administration in on-premise and AWS environments
    • Migration of on-premise Oracle databases to AWS cloud
    • Automation of Oracle cloning processes using Ansible and Python
    • Performance optimization and L3 support for development teams

    Environments: Oracle 11g–19c, OEM 13c, MySQL 5.7, MariaDB, AWS, Linux, Ansible, Python, Shell
    Oracle Database MySQL Amazon Web Services Python Ansible
  • Société Générale
    Senior Oracle DBA / Database Architect
    BANKING AND INSURANCE
    January 2018 - June 2022 (4 years and 5 months)
    Suresnes, France
    • Oracle administration in ultra-critical environments (RAC, Exadata, Standalone)
    • Advanced performance optimization and L3 incident management
    • Migrations of Oracle RAC/Exadata databases to private cloud
    • Upgrade of Grid Infrastructure 12.2 to 19c and SunOS to Linux migrations
    • Mass patching automation and cloud migration industrialization
    • PostgreSQL and MongoDB administration
    • Cloud and DBPaaS environment support

    Environments: Oracle 11g–19c, Grid 12c/19c, RAC, Exadata, Data Guard, ASM, OEM 12c/13c, PostgreSQL, MongoDB, Linux, SunOS
    Oracle Database Oracle RAC Exadata PostgreSQL MongoDB

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Education

  • Information Systems Engineer
    Institut National d'Informatique
    2006

Skill set

Categories