Freelancer profile translated to English.
Back to original languageAbout Youness
💡 Expert IT & Data | Cloud & Databases | +15 years of experience
With over 15 years of experience in IT, I have built my career between software publishers (Sopra HR) and a world leader (Oracle), supporting strategic clients in the management, migration, and optimization of critical databases.
🔹 Specialist in Data Management & Cloud Integration, I bring cutting-edge expertise in complex migrations, the design of high-performance architectures, and digital transformation.
🔹 Passionate about AI and Cloud technologies, I combine curiosity, rigor, and a spirit of innovation to tackle the most ambitious technical challenges.
🚀 My goal: to contribute to high-value-added projects, combining performance, innovation, and collaboration.
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Remote only
Primarily works remotely
Experience
- Crédit Agricole-GIP
On Malt
Oracle Exadata & Cloud Architect | ExaCC | RAC, Data Guard | Performance, Migration & FinOpsBANKING AND INSURANCEJanuary 2025 - Today (1 year and 5 months)Guyancourt, FranceI work on critical Exadata Cloud@Customer (OCI) environments for Core Banking systems.Specializing in FinOps, optimization, and automation, I support the design, deployment, and operation of infrastructures, with an approach focused on performance and cost control.Notably, I contributed to a reduction in cloud costs of over 32%, while improving the utilization of Exadata resources (CPU, storage, VM clusters).I implement advanced monitoring, automation, and lifecycle management solutions (patching, upgrades), ensuring performance, reliability, and operational efficiency. - OracleSenior Oracle Database AdministratorOctober 2021 - October 2024 (3 years)Colombes, FranceInterventions for several clients and projects: GRDF, ENEDIS, Total, France TV, La Banque Postale…• Database Design and Architecture: Design and architecture of databases and Exadata infrastructures.• Exadata and Database Migration: Migration of databases to Exadata environments, including upgrades to 19c/23AI, and migration from SuperCluster to Exadata X9M.• Technical Assistance and Support: Assistance and support for DBAs on Exadata/Database environments, including incident reporting, root cause analysis, and crisis meeting support.• Performance Optimization: Performance tuning, query optimization (Baselines, SQL Profiles, SQL Patches), and implementation of Exadata best practices (Resource Manager, IORM, Flash Cache).• Database and Application Management: Setup and management of multitenant databases under version 19c, preparation for application upgrades, and backup/restore with ZDLRA and OKV.• Implementation and Configuration: Implementation and qualification of technical procedures for installation, configuration of Oracle Enterprise Manager Cloud Control, and setup of ASR Manager.• Security and Compliance: Performance, configuration, and security reviews (DBSAT) to ensure database compliance.• Workshops and Presentations: Delivery of workshops and presentations on new Database/Exadata features and best practices.
- SOPRA HR SOFTWAREOracle Database AdministratorOctober 2015 - October 2021 (6 years)Île-de-France, France• RAC administration and Red Hat Linux cluster for high availability and performance.• EMC SAN migration to SAN PureStorage.• Participation in the tendering process until the delivery, installation and configuration of the new platform.• Establishment of procedures to migrate more than 400 databases to Oracle 19C multitenant.• Writing of technical documentation.• Work with R&D to improve the design of data models.• Performance optimization Oracle and MySQL, SQL and PL / SQL.• Database security administration.• Optimization of the backup in terms of space and duration.• Design of on-demand metrics extensions with Cloud Control 12c and Migration to 13c• Monitoring of infrastructure subcontractors.• Management of backups and restores via RMAN.• Training and management of junior DBAs.• Assurances of the availability of applications 24 hours a day, 7 days a week. Technical environment:• More than 120 client companies, 800,000 end employees• Over 550 Oracle databases 10g, 1 1g, 12c EE / SE / RAC, 19C EE / SE / RAC.• 15 MySQL 5 databases• 70 Linux database servers, 4 AIX servers• 60 Linux application servers, 4 AIX Servers• 15 Linux web servers• SAN EMC VNX / VMAX (30 TB databases)• Two data centers, 4 km away• HR Access, Pléiades E5, Pléiades NG, Pléaides CS, BusinessObjects, Oracle APEX, Dollar Universe Scheduler, JIRA, OpenR Scheduler, Cloud Control 12c/13c,
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Education
- Engineering degreeEFREI Paris2013Diplôme d'ingénieur
- Bachelor's degree, ELECTRONICS, Electric and Automatic EnergyUniversité Paris-Est Marne-la-Vallée2010Bachelor's degree, ELECTRONICS, Electric and Automatic Energy