Freelancer profile translated to English.

Description

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.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

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