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Nathan GrimaultNG

Nathan Grimault

Data Engineer x Data Governance 🤝🧠

€750/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Nathan

👨‍💻 Data Engineer x Data Governance

Responsible for the design, governance, and strategic direction related to data, I act as a technical referent for the company's entire data ecosystem.

My role is to ensure the reliability, performance, and valorization of data to support decision-making and business objectives.

I oversee the design and industrialization of data pipelines, database administration and optimization, as well as the definition of architecture and modeling standards.

I also participate in technological choices and structuring decisions related to data platforms.

📬 Available for freelance data projects
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

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

Experience

  • Ministère de l'intérieur
    Database Administrator
    January 2026 - Today (7 months)
    Paris, France
    Expertise in managing, securing, and optimizing data environments, with an approach focused on reliability, performance, and risk reduction.

    Ensures system availability, controls data access, and continuously improves infrastructure performance.

    🔐 Securing data systems: access management (IAM), anomaly detection, vulnerability treatment

    📊 Performance and availability monitoring of data environments

    🧭 Data governance and definition of strategic directions

    📡 SI and database supervision (monitoring, alerting, environment health)

    🚨 Incident management and continuous improvement (diagnosis, resolution, reliability)
    Data Governance Data Engineer Performance Management Data Science Cybersecurity Incident Management
  • MKG Group
    Data Engineer
    HOSPITALITY
    September 2024 - November 2025 (1 year and 2 months)
    Paris, France
    Modernization of a company's Data infrastructure – a 15-year-old system redesigned from scratch. Automation of data flows: design of robust pipelines to automate the ingestion, processing, and delivery of data from multiple sources. Supervision of freelancers: management of tasks, tracking of deliverables, and coordination of workflows. Advanced Data Mining: collection and exploitation of large volumes of data, bringing real strategic value to our clients in the hotel and tourism sectors.
    Python, SQL, Azure, SSRS, Project Management, Data Governance, Data Mining, Web Scraping
    Data Engineer Data Science Web Scraping Python SQL
  • KEYRUS
    Data Engineer / Data Consultant
    CONSULTING AND AUDITS
    March 2024 - September 2024 (6 months)
    Lyon, France
    BI migration from Talend + Qlik to Snowflake + Streamlit. Development of a Talend parser in Python to automatically generate Snowflake SQL (DDL/DML). Implementation and orchestration of data pipelines in Snowflake. Clustering of Qlik indicators to assess migration complexity and workload.
    Snowflake, Python, SQL, Qlik, Streamlit, Talend
    Python Machine Learning Clustering Streamlit Qlik

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Education

  • Master SISE - Statistics and Computer Science for Data Science
    Université Lumière Lyon
    2024
    Lauréat du 1er prix de promotion au concours de Machine Learning Machine Learning, Statistiques, Data Mining, Web Scrapping, Data Visualization, Python, SQL, Spark, Hadoop, Elasticsearch, MLOps, Big Data, Projets réalisés en collaboration avec des entreprises partenaires telles que le CNAM, le Crédit Agricole, etc.
  • Computer Science Bachelor's Degree
    Université de Caen Normandie
    2022
    1ère place au concours inter-départements de projets applicatifs et entrepreneuriaux GitHub · MySQL · Java · Python · Design Patterns · Linux · PHP · Développement Web · JavaScript · Traitement d’Image Numérique

Skill set

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