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Christophe BuiCB

Christophe Bui

Supermalter

BI Consultant / BI4 Expert

€758/day
5 projects
Bougival, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Christophe

With nearly 10 years of professional experience, I specialize in the technical management and administration of Business Intelligence solutions. My goal is to contribute to the optimization of decision-making processes through my expertise in migration and administration of complex systems. With my adaptability and motivation, I am determined to bring diverse perspectives and varied experiences to your team.

My roles as Tech Lead, administrator, and reference for decision-making reporting tools have allowed me to manage complex repositories, while ensuring the management of authorizations, maintenance, and security of environments. I apply an agile methodology for build, but I am capable of working in V-model, waterfall, or even hybrid models, while providing support from levels N1 to N3, which strengthens my ability to work effectively under pressure and deliver quality solutions continuously.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Basic

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

Experience

  • BPIFRANCE
    Tech lead and BO administrator (XI R3 / BI 4.x) / Migration Expert - QlikSense Admin at Bpifrance
    December 2020 - December 2024 (4 years)
    Maisons-Alfort, France
    Administration / development: over 20,000 reports, 500 universes
    - Authorization management
    - Upgrade of all environments
    - Delivery management
    - Run (incident resolution / enhancements / N1-N2-N3 support)
    - Agile methodology
    - Stabilization and optimization of all environments
    - Documentation and retro-documentation (Technical architecture document, repositories, security matrices, universe documentation, installations...)
    - Occasional Qliksense administration tasks (authorizations, incident resolution, support) 2021: Migration XI3 and BI 4.2 SP3 to BI 4.2 SP7
    - Audit of installed BO platforms (BO XI 3.1 SP7, BO BI 4.2 SP3 AND SP7) and licenses
    - Reinstallation of BO XI3.1 SP7
    - Reinstallation of 360 modules on all platforms
    - Installation of the audit database and universe
    - Technical support in English for outsourced teams (India) and project manager on the migration from BO XI 3.1 SP7 to BO BI 4.2 SP7 (daily meetings in English)
    - Management of outsourced teams (agile methodology and in English)
    - Update of BO/Control-M jobs 2022: Architecture review, rights automation
    - Implementation of SSO/SSL
    - Decommissioning of physical machines
    - Architecture review for RTO/RPO < 2h
    - Implementation of clusters and load balancing
    - Preparation of triggers for decommissioning Control-M jobs and report automation
    - Server monitoring (Cyberwatch, Datadog) 2023: Preparation for BI 4.3
    - Migration strategy to BI 4.3 and CAP transition
    - Installation and preparation of infrastructure similar to BI 4.2
    - Decommissioning of the decision-making portal (application overlay) incompatible with BI 4.3 2024:
    - Migration BI 4.2 to BI 4.3 (30,000 reports, + 200 universes)
    - Change management
  • Radio France
    Senior BI Consultant - Business Objects (BI 4.3) and Power BI Expert and Referent
    November 2024 - Today (1 year and 9 months)
    Paris, France
    Business Objects Referent:
    - BO report development (audit, provisioning)
    - Creation of the security matrix
    - Rights redesign
    - Support (N1 to N3) Power BI Referent:
    - Study and analysis of SSRS decommissioning and migration to PowerBI
    - First, migration of SSRS reports to Power BI Report builder (rdl) and transition of shared datasets to embedded datasets
    - Security management via AD directories and RLS (Row Level Security)
    - Second, creation of semantic models to replace shared datasets
  • EIFFAGE SYSTEMES D INFORMATION
    Freelance BI Consultant (SAP BI4 / SAP HANA / PowerBI Expert)
    May 2019 - April 2020 (11 months)
    Vélizy-Villacoublay, France
    BI Consultant for the Eiffage group in Vélizy-Villacoublay (78), financial and management control decision-making reporting:
    - Analysis and studies of different reporting tools
    - Creation / modification of existing universes (UDT/IDT)
    - Design, development of SAP BI4 Reporting
    - Design, development of PowerBI / PowerBI mobile Reporting
    - SAP HANA modeling, rights / authorization management
    - Gathering business needs, Project Owner Assistance
    - Writing specifications

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Education

  • Master in Computer Science, Computer Science
    University of Cergy Pontoise
    2016
    Master en informatique, Informatique

Skill set (36)

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