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Valisoa Nirina RabesoninaVN

Valisoa Nirina Rabesonina

SQL Server Database Administrator

€650/day
Paris, FR
15+ years
SQL Server
Microsoft SSIS
Tuning
Troubleshooting
Performance

Average response time: 1 hour

Freelancer profile translated to English.
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About Valisoa Nirina

SQL Server database administrator with over ten years of experience, possessing great expertise in managing, optimizing, and securing SQL Server environments. Ability to implement high availability solutions (Always On, clustering, replication) to ensure service continuity and performance of critical systems. Meticulous, proactive, and results-oriented.

  • Malagasy

    Native or bilingual

  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Paris (up to 50km)

Experience

  • FIRCOSOFT
    SQL Server, Oracle, and PostgreSQL Database Administrator
    BANKING AND INSURANCE
    November 2022 - Today (3 years and 7 months)
    Paris, France
    • Audit and optimization of stored procedures (PL/SQL, T-SQL, and PL/PgSQL)
    • Proposal and implementation of indexing and partitioning.
    • Configuration and management of Azure environments: Azure SQL Database and Azure SQL Managed Instance.
    • Optimization of import times on Azure (bacpac, SqlPackage, az sql db import, sqlcmd).
    • Development of PL/SQL and T-SQL scripts for patches and fixes.
    • Installation, configuration, and upgrade of database instances (Oracle, SQL Server, PostgreSQL) on Windows and Linux.
    • Transcription of T-SQL and PL/SQL scripts to PL/PgSQL.
    • Analysis of deadlocks and proposal of solutions.
  • WEBHELP
    SQL Server & Azure Database Administrator
    March 2021 - November 2022 (1 year and 8 months)
    Tananarive, Madagascar
    • Ensuring the availability of production databases.
    • Updating databases with the latest CUs.
    • Setting up local and Azure backups.
    • Creating a data synchronization system from production to a data exploitation server.
    • Implementing maintenance plans on database servers.
    • Monitoring server operating systems (disk space, RAM, CPU).
    • Auditing resource-consuming queries and proposing improvements.
    • Indexing and partitioning tables to optimize performance.
    • Supporting developers on database projects.
  • TELMA
    CALL CENTER & VAS Project Manager
    TELECOMMUNICATIONS
    October 2019 - March 2021 (1 year and 5 months)
    Madagascar
    • Implementation of IT solutions for the Call Center and Value-Added Services (VAS).
    • Steering upgrades and migrations to new IS.
    • Management of functional evolutions of existing IS.
    • Participation in the strategic coherence of IT projects.
    • Drafting of calls for tender and contract negotiation.
    • Steering, coordination, and monitoring of projects (organization, documentation, acceptance testing, communication, quality, budget, resources).
Check out Valisoa Nirina's experience

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Education

  • Agile Scrum
    Michel DUSSOUCHAUD
    2019
    Agile Scrum
  • Professional Bachelor's Degree in Computer Science
    CNTEMAD
    2012
    Licence Professionnelle en Informatique

Skill set

High Availability
Clustering
Windows Server 2016
Partitioning
SQL
ETL (Extract, Transform, Load) Processes
Data Migration and Backup
Data Integrity and Governance
CI/CD Management
Cloud Administration

Categories