Jean-marie Renouard
Cassandra & MongoDB DBA Expert at BNP (BP2I)
Greater Rennes Metropolitan Area France
Summary
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Rockstar🎓
Top SchoolJean-marie Renouard is a seasoned database and DevDataOps engineer with 12 years of experience specializing in large-scale open-source and NoSQL systems, currently serving as a Cassandra & MongoDB DBA expert at BNP where he manages dozens of clusters and hundreds of databases across international teams. He automates deployments and maintenance with Ansible, Python and Kubernetes, and leverages internal AI tooling to continuously audit and improve operational scripts and processes. A longtime contributor to notable open-source tooling (including enhancements to the widely used MySQLTuner-perl and the Rex automation framework), he brings practical experience across Cassandra, MongoDB, PostgreSQL, MySQL/MariaDB, Redis and Neo4j. He pairs hands-on scripting and systems work with training and documentation, having delivered technical training and led cross-functional DBA teams in cloud and on-prem environments. An eclectic polyglot coder and open-source enthusiast, he blends pragmatic engineering with an eye for security and operational resilience.
12 years of coding experience
14 years of employment as a software developer
Bachelor of science Industrial computer science, Bachelor of science Industrial computer science at Lycée Felix Le Dantec - BTSBS Physics Maths, BS Physics Maths at Lycée Blaise pascal - Prep SchoolISTQB/CFTL Fundation Educational Assessment Testing and Measurement, ISTQB/CFTL Fundation Educational Assessment Testing and Measurement at ISTQB/CFTL Fundation2004 Information system and computer science, 2004 Information system and computer science at UVSQ Université de Versailles Saint-Quentin-en-Yvelines
French, English, Spanish
Stackoverflow
104reputation
70kreached
19answers
0questions
Github Skills (24)
admin10
mysql10
mariadb10
configuration-management10
databases10
database-administration10
perl10
security10
automation10
automations10
database10
sql9
database-design9
yaml8
sh6
Programming languages (8)
Github contributions (5)
major/MySQLTuner-perl
Jun 2015 - Jan 2023
MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability.
Role in this project:
Back-end & Database Engineer
Back-end & Database EngineerContributions:11 releases, 1 review, 803 commits in 7 years 8 months
Contributions summary:Jean-marie primarily focused on enhancing the functionality and security of the MySQLTuner-perl script. Their contributions involved cleaning up debug output, adding options like `--passwordfile`, and improving security recommendations, specifically addressing password vulnerabilities. They also implemented features related to MariaDB Galera cluster management and provided various database structure information.
tidbperl5mysqltunerassistperl
RexOps/Rex
Apr 2014 - Apr 2014
Rex, the friendly automation framework
Role in this project:Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:5 commits in 1 day
Contributions summary:Jean-marie implemented a DBI-based group lookup feature within the Rex automation framework, enabling the retrieval of host groups from a database. This involved writing Perl code to connect to databases using DBI, execute SQL queries, and parse the results to define host groups. The user also added support for YAML-based group lookup and made supporting changes to include "all" group support. Additionally, the user removed redundant `Data::Dumper` calls from the code.
infrastructure-automationrexdevopsframeworkautomation
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