Freelancer profile translated to English.
Back to original languageAbout Margaux
Freelance Management Controller, specializing in financial reporting, performance analysis, and data reliability (SAP FI-CO, Power BI, EPM). I support financial departments and executives toensuretheir reporting is reliable,structuretheir management, andsecuretheir ERP and finance projects.
After nearly 10 years of experience in management control and finance transformation, I work with companies that needreliable datato manage and make decisions.
What sets me apart:I am as comfortable with numbers as I am with the tools that produce them. My clients call on me when issues span finance, data, and IT systems: ERP deployment, reporting migration, data reliability, structuring closing processes, Excel / VBA / Power Query automation.
What my clients say about me:
“She quickly understands the context, even on complex subjects”
“We are regularly surprised by the speed of her deliverables”
“Autonomous, rigorous, and always action-oriented”
My areas of intervention:
- Operational Management Control: budget, forecast, closings, performance analysis
- Financial Reporting & Dashboards: Power BI, Advanced Excel, VBA
- Data Administration & Reliability: SAP FI-CO, FDMEE, HFM, Tagetik, BFC
- Reconciliation and financial data analysis
- ERP & Reporting Tool Deployment Projects: AMOA, UAT, testing, user training
- SOX compliance and contribution to IFRS topics
I particularly appreciate assignments where the goal is to quickly understand the logic of a financial system, identify friction points, and transform complex data into reliable management tools that aid decision-making.
More information on my expertise, achievements, and methods: margauxdubois.fr
Available immediately
Let's discuss your needs, I will respond **promptly**!
French
Native or bilingual
English
Fluent
Italian
Conversational
Spanish
Conversational
Can work on-site
Saint-Étienne (up to 50km), Lyon (up to 50km), Paris (up to 50km)
Experience
- ConstelliumFinance & Reporting Systems Consultant — SAP FI-CO / FDMEERAW MATERIALS INDUSTRYMay 2024 - December 2025 (1 year and 7 months)Paris, FranceCONTEXTListed international industrial group · SOX environmentLong-term assignment within the finance department of a listed international industrial group, focusing on reporting systems administration, data reliability, and SOX compliance. Scope: SAP master data, finance master files, FDMEE mappings, closing support, compliance documentation, IFRS contributions.MAIN MISSIONS• SAP FI-CO master data administration: chart of accounts, master data, CO data• FDMEE mapping maintenance and consolidation package administration• Monitoring SAP automated operations and anomaly resolution• Support for accounting teams during monthly, quarterly, and annual closings• Financial reporting reliability in a SAP FI-CO / FDMEE environment• Participation in SOX compliance and IFRS implementation topics• Documentation of finance processes and procedures
- SODEXOPMO International Power BI Deployment — Multi-country UAT PhaseRESTAURANTS AND FOOD SERVICEJune 2023 - April 2024 (10 months)Issy-les-Moulineaux, FranceCONTEXTLarge service group · Central / local cross-functional coordinationPMO assignment for the international deployment of a Power BI solution, during a key User Acceptance Testing phase involving a large number of testers across several countries. Pivotal role between central and local teams, with a strong focus on progress reporting, data quality, user support, and test management.MAIN MISSIONS• Interface with key project stakeholders at central and local levels• Facilitation and orchestration of deployment initiatives by country• Monitoring and creation of reports to ensure progress reliability• Preparation of upstream testing phases: scenarios, test data sets, planning• Ongoing support for users responsible for testing• Support for teams during UAT campaigns• Consistency checks to prevent regressions• Tracking of anomalies and securing the deployment up to go-live
- Saint-Etienne MétropoleFinancial Analyst / AuditorPUBLIC SAFETYDecember 2022 - June 2023 (6 months)Saint-Étienne, FranceAssignment within the Finance Department for audit, financial analysis, and performance management missions. Support for operational departments in results analysis, financial information reliability, and improvement of decision-making tools.Key contributions:
- Analysis of the financial and operational performance of departments and satellite entities
- Development of dashboards and management tools for decision-makers
- Analysis of costs, activities, and results to identify optimization areas and financial risks
- Conducting financial studies and decision support memos for governance bodies
- Control and financial evaluation of public service concessions (DSP) and subsidized associations
- Financial data reliability and improvement of financial reporting processes
- Contribution to structuring decision support information systems and improving data quality
- Production of analyses to inform budget and strategic decisions
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Education
- Master's Degree in Corporate Finance — Management Control & AuditINSEEC Business School - Lyon2018Master 2 en alternance à l'INSEEC Business School (Lyon), avec une spécialisation en contrôle de gestion et audit. Formation orientée pratique professionnelle grâce à l'alternance chez Solvay (groupe industriel international), permettant d'aborder le contrôle de gestion sur un périmètre international concret (US, EMEA, Asie). PROGRAMME ET COMPÉTENCES ACQUISES • Contrôle de gestion stratégique et opérationnel • Analyse financière et diagnostic de la performance • Comptabilité approfondie et consolidation • Audit interne et externe • Pilotage budgétaire (budget, forecast, reporting) • Normes IFRS et reporting groupe • Systèmes d'information financiers et ERP • Fiscalité d'entreprise • Finance d'entreprise et corporate finance ALTERNANCE 2 ans en alternance puis intérim chez Solvay (siège Lyon) sur des sujets de contrôle de gestion international, reporting groupe, clôtures, forecasts et automatisation via VBA.
- Professional Bachelor's Degree in Management Control AssistantIUT Jean Monnet — Saint-Étienne2016Licence professionnelle en alternance à l'IUT Jean Monnet (Saint-Étienne), spécialisée en assistance au contrôle de gestion. Formation pensée pour donner une opérationnalité immédiate sur les fondamentaux du contrôle de gestion en entreprise. PROGRAMME ET COMPÉTENCES ACQUISES • Fondamentaux du contrôle de gestion • Analyse des coûts et comptabilité analytique • Élaboration et suivi des budgets • Tableaux de bord et indicateurs de performance (KPI) • Outils bureautiques avancés (Excel, bases de données) • Comptabilité générale et financière • Fiscalité des entreprises • Communication financière • Anglais professionnel des affaires ALTERNANCE Année passée en alternance, permettant une première mise en pratique des outils de pilotage et des méthodes de contrôle de gestion en environnement professionnel.