About Grégory
- Data analysis, exploration
- Business process modeling
- Data visualization, reporting
- Functional design, user stories, use cases, testing, user support
- Data quality
- Data Warehouse, Data Lake, Data Mesh
- API
- Migration project
- Data integration
- EDI
- Cross-functional coordination
- Regulatory projects
- Reverse engineering
- 15 years of experience in various data-related topics
- Pragmatism
- Developer background
French
Native or bilingual
Experience
- Keobiz ServicesBusiness Analyst - Data Analyst | Power BI - SQLCONSULTING AND AUDITSApril 2025 - Today (1 year and 2 months)Paris, FranceVerify the integrity and consistency of financial data following the migration of billing, accounting, and cash collection systems to a new platform.🔖Tasks:
- Verification of data completeness and quality between the master system and receiving systems (customers, invoices, payments, cash collections)
- Validation of the proper functioning of inter-application flows (API)
- Analysis usingSQL, Excel, andPower BIreports from different data sources to identify anomalies (discrepancies, inconsistencies, etc.)
- Support for the financial department in defining the cash collection process (invoice workflow, dunning policy, KPIs for monitoring overdue payments)
- Complete documentation of analyses (methods, results, recommendations, summary)
Environment: MySQL, Power BI, SQL, Python, Excel, Salesforce, Chargebee, Gocardless, Stripe - Veolia Eau d'Ile-de-FranceBusiness Analyst - Data Analyst | Looker Studio - BigQuery - GCPENERGY AND UTILITIESSeptember 2024 - February 2025 (5 months)Nanterre, FranceDefine the processes to be implemented to ensure monitoring of data quality related to water consumption in the Île-de-France region.🔖Tasks:
- Implementation of a project methodology (prioritization, identification of referents by domain, data tracking and recovery method)
- Definition of KPIs for data quality monitoring with the relevant departments
- Analysis of source systems, identification of data anomalies
- Writing user stories inJira
- Development of pipelines to collect data (BigQuery,SQL, Control-M)
- Creation ofLooker Studioreports for quality monitoring
- Impact study during data recovery
- Support and assistance for business acceptance testing
Environment: Looker Studio, Google Cloud Platform (GCP), BigQuery, SQL, Jira, SAFe, Control-M - EiffageData Application Manager | Power BI - SAP BICIVIL ENGINEERINGJanuary 2019 - January 2023 (4 years)Vélizy-Villacoublay, FranceEnsure and coordinate the implementation of new projects, as well as corrective/evolutionary maintenance, of the SAP Hana platform.Projects: financial monitoring of projects with SAP BI, employee training management (Power BI), absenteeism impact, ticketing,data visualization of highway traffic (Power BI),mobile reporting🔖Tasks:
- Ensure platform consistency and compliance with standards and methods
- Gathering and analysis of business needs, writing detailed specifications
- Identification of reference data, updating the data dictionary
- Management of functional support requests: data extraction (SQL), support
- Coordination of actions (corrective maintenance, preventive maintenance, deployment, environment management/preparation) with the various stakeholders in the scope
- Creation - Maintenance ofPower BI,SAP BIreports
- Authorization management
- Support and progress monitoring of development teams
- User training onPower BI/SAP BI
Environment: SQL, Power BI, SAP Business Objects 4.2, SAP Hana, Kanban, EasyVista, Mantis, HP ALM
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Education
- Information Systems Architect DesignerCNAM Versailles2009