Freelancer profile translated to English.

Description

You have data. Not always the tools to draw clear decisions from it.

Data & BI Consultant for 3 years - I work with large companies (energy, insurance, luxury) to structure their repositories, ensure data reliability, and design reporting that truly serves decision-makers.

Stack: BigQuery · Power BI · Looker · SQL · Advanced Excel

Paris - on-site Île-de-France or remote.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

Veolia
Data Consultant – Software Asset Management & Cloud
ENERGY AND UTILITIES
June 2025 - Today (1 year and 2 months)
Aubervilliers, France
Structuring group data governance covering over 300 legal entities: defining the operating model, normalizing repositories, and steering the data maturity of the SAM function.
• Steering the data migration from Salesforce to BigQuery to industrialize IT cost management at group level (digital transformation of the SAM function).

Designing and deploying a data product (analytical model + Looker dashboard) delivering real-time business value for purchasing teams and IT management.

Identifying contractual optimization opportunities (CSP/EAS license rationalization) generating up to 8% savings on a portfolio of tens of millions of euros.
BigQuery Project Management Reporting SAM Data Steward
Wavestone
IT Consultant – Infrastructure Modernization & Project Management
BANKING AND INSURANCE
June 2024 - May 2025 (11 months)
Paris, France
Structuring a technical repository (OS, middleware, databases) covering over 200 applications: data management and IT governance in a multi-IT department environment.

Modeling obsolescence indicators and designing a Power BI reporting oriented towards decision support for the IT department.

Steering the roadmap over 18 months: leading governance committees, coordinating business and technical stakeholders, organizational change management.

Reducing the application obsolescence rate from 40% to 20%: direct contribution to reducing cyber risk and technical debt.
Power BI DAX Microsoft Excel Data Modeling Steering Committee IT Governance
CHANEL SAS - GDS Chanel.com
IT Consultant – Incident Management & VIP Support
LUXURY GOODS
March 2024 - June 2024 (3 months)
Paris, France
Complete overhaul of the Incident Management system for a high-criticality VIP scope (General Management, C-suite): defining SLAs, processes, and escalations.

Implementing a steering dashboard and leading weekly reviews; direct client relationship with management teams.

Results: -35% resolution time, +25% incidents handled in less than 4 months.
Steering Committee Project Management Microsoft Sharepoint IT Governance VIP Support

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Business Foundation Certificate – Academic MBA
INSEAD
2022
Business Foundation Certificate – Academic MBA
Master of Innovation Management / Engineering Degree
UPMC
2023
Master Management de l'Innovation / Licence d'ingénierie

Check out Walid's education

Data Analyst

Walid Dahmani

Data Consultant | Steering & Decision Support

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