Freelancer profile translated to English.
Back to original languageAbout Christophe
With over 20 years of experience as a DBA, I have solid expertise in all database issues and related topics such as OS (former Linux system administrator), storage/SAN, networking, scalability, DR... SQL Server Expert (on-premise & AWS Cloud).
I master daily administration and architecture of complex environments, consolidation, as well as migration projects to the Cloud and Level II+ support for production DBAs or managed service providers. Passionate about exchanges and information sharing, I was the DBA "Technical Lead" for Europe within Expedia Group, addressing new issues and production incidents requiring a multi-skill task force.
I have worked in various structures, including an international and multicultural DBA team where all interactions were conducted in English
Certifications :
AWS Certified: Solutions Architect - Associate Level
Microsoft Certified: Azure Administrator - Associate Level
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- Retail, e-commerce, Asset Management ...SQL Server Expertise Missions / Tech Lead Role (Retail, E-commerce, Asset Management...)October 2025 - Today (10 months)Paris, FranceIndependent since 2025
SQL Server Expertise Missions / Tech Lead Role (Retail, E-commerce, Asset Management ...)
- Architecture & Health Audit: In-depth analysis of instances and infrastructure (Failover Cluster Instances, Always On, DAG). Assessment of licensing compliance, patching level, and resilience (DR/BCP).
- Strategic Consulting: Drafting detailed audit reports including recommendations, production norms, and standards with prioritized action plans (Quick Wins).
- Industrialization & Automation: Reduction of manual administration tasks through scripting and community tools (Ola Hallengren Maintenance Solution, dbatools, First Responder Kit ...)
- Optimization & Query Tuning
- Expedia GroupSenior SQL Server DBA (Clustered, AAG, DAG...), AWS & Technical LeaderTRAVEL AND TOURISMApril 2014 - September 2025 (11 years and 5 months)Paris, France
- Level II+ Support for Production DBAs (1500+ databases)
- Point of contact for new issues, production incidents requiring a multi-skill task force
- Implementation of recommendations and technical documentation for all global DBAs
- Egencia Corporate TravelOracle Architect and DBATRAVEL AND TOURISMMay 2007 - April 2014 (6 years and 11 months)Nanterre, France
- Consolidation of a 3-node RAC cluster under Linux/NetApp/OCFS/ASM Security of Oracle databases under RMAN and Datapump and data (encryption, management, and access control)
- Supervision platform via OEM and Quest software
- Drafting of recommendations, production norms, and standards.
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Education
- Master's in Distributed ComputingCERICS1997Mastère en Informatique Distribué
- General Engineering Degree / Computer Science OptionESME Sudria (School of Mechanical and Electrical Engineering)1992Ingénieur généraliste / Option informatique
Certifications
- Microsoft Certified: Azure Administrator - Associate LevelMicrosoft
- AWS Certified: Solutions Architect - Associate LevelAWS2007