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C. ArnaultCA

C. Arnault

Generative AI & Cloud Architect · Platforms

€800/day
Toulouse, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About C.

Cloud, Data & AI Architect with 15 years of experience, I design and manage hybrid and multi-cloud infrastructures (AWS, Azure, VMware) for critical and regulated environments: mid-sized companies, banking, healthcare, industry, and aerospace.
Currently Technical Manager of the IS for a mid-sized company, I work as a freelancer on short, remote missions:
→ Enterprise Generative AI Consulting & Architecture (data sovereignty, multi-model)

→ Cloud & Infrastructure Architecture Audit

→ Cloud Scoping and Consulting (AWS, Azure, hybrid)

→ Data / IoT Platforms Architecture and Design

→ DevSecOps Review (IaC, CI/CD, security)
Some concrete achievements:

Sovereign Generative AI Platform in production — multi-cloud, multi-model, GDPR governance and compliance, 100% EU data.
Industrial IoT Platform on AWS delivered under budget (€50K), ROI x2 from the 1st year — €100K recurring revenue, 10 buildings connected for energy monitoring and control.
VMware Foundation for 4,000+ critical servers, hot migration without service interruption (La Banque Postale) — healthcare environments with up to 11,000 simultaneous users.
Certified AWS Solutions Architect and Microsoft Azure Architect Design.
Based in Toulouse.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Toulouse (up to 50km), Paris (up to 10km)

Experience

  • GA Smart Building
    Technical Manager - Architect & Expertise
    CIVIL ENGINEERING
    July 2022 - Today (4 years and 1 month)
    Toulouse, France
    Sole Technical Manager of the Information System for a mid-sized company of 800 people (construction sector, 150 years of existence).
    Cloud, Data, and AI architecture and expertise on a complex multi-cloud ecosystem (AWS, Azure, VMware, Hyper-V, industrial IoT).

    Key projects delivered:

    • AWS Industrial IoT Platform (Building Datawarehouse) —
    Budget €50K, 10 buildings in production, €100K recurring revenue
    generated, ROI x2 from the 1st year

    • GAIA Enterprise Generative AI Platform (LibreChat + AWS
    Bedrock + Claude, EU Paris GDPR compliance) — 100 users,
    €1,800/month, M365 integration via MCP, presented to the
    Executive Committee

    • Self-hosted Supabase Backend for GA Pro mobile app (IoT
    Bluetooth) — AWS ECS Fargate, 11 Docker containers, IaC
    Terraform + CDK, DevSecOps pipeline (Trivy)

    • BIM Prefabin API — Tekla / Trimble Connect interface,
    deployed on AWS ECS Fargate, in production

    • Complete Disaster Recovery Plan (DRP) via Azure Site
    Recovery — factory sites + industrial automation

    • AWS Multi-cloud Landing Zone, cloud-first migration,
    Exchange 2013 decommissioning
    AWS S3 AWS EC2 AWS ECS Generative AI Amazon Bedrock
  • MIPIH
    Citrix & Infrastructure Architect
    MEDICAL
    June 2020 - July 2022 (2 years and 1 month)
    Toulouse, France
    Critical infrastructure for 11,000 simultaneous users
    (healthcare staff). Mission started during the 1st lockdown.

    • 99.7% availability across 11,000 users (Citrix Director)
    • IT Recovery Plan (ITRP) Toulouse ↔ Amiens
    • Netscaler GSLB deployment — 3,000 simultaneous users
    • Secure remote work via Netscaler OTP (lockdown)
    • Automation of VDA updates via Ansible
    Citrix Citrix XenApp Citrix Netscaler Windows Server VMWARE
  • Airbus Defense & Space
    Citrix Architect — INFINITY Project
    DEFENSE AND MILITARY
    October 2019 - July 2020 (9 months)
    Toulouse, France
    INFINITY Project: Zero Touch infrastructure to provision
    and automate complex VDI environments as a service.

    • Design and implementation of an automated VDI architecture
    (Azure Stack + Ansible Tower + Citrix)
    • Integration into the Citrix Architect Squad — France corner
    • MCO management of Dev, Lab, QA, and Integration environments
    • Azure Stack Administration
    • Agile / Scrum work mode
    azure stack Microsoft Azure Citrix Netscaler Citrix XenApp Citrix XenDesktop

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Education

  • AWS Solution Architect - C003
    AWS
    2025

Skill set

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