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About Van Long

Expert Infrastructure Senior with over 20 years of experience.
Specialist in the design, modernization, and optimization of critical infrastructures (AWS/Azure Cloud, Citrix, Storage, Big Data, and Micro-services).
I am recognized for my ability to lead complex migration projects (AVS → Azure, AIX → Linux, Oracle → MongoDB), to significantly reduce costs (example: reduction of outsourcing costs from €2.7M to €1M at Foncia), and to industrialize environments through automation (Ansible, Terraform, OpenShift, Kubernetes) and advanced use of Artificial Intelligence.
  • French

    Native or bilingual

  • English

    Fluent

  • Vietnamese

    Conversational

Can work on-site
Paris (up to 30km)

Experience

  • INGENICO,
    Infra Expert
    BANKING AND INSURANCE
    January 2025 - May 2026 (1 year and 4 months)
    Suresnes, France
    Advanced use of Artificial Intelligence and AI agents:
    • - Updating Ansible playbooks with AI
    • - Automated generation of audit reports, intelligent collection and analysis of technical information via AI agents, significantly accelerating deliverable production and improving their quality.

    Migration of AVS machines to Azure
    • - Complete management of the migration of AVS environments to Azure: planning, coordination, and execution of technical operations.
    • - Migration of Windows 2016 servers to Windows 2025 and Linux (all versions) to RedHat and Ubuntu 24.04.
    • - Reconstruction of business applications with or without existing documentation, limiting business team involvement to functional validation only.
    • - Automation and industrialization of migration processes to reduce risks and downtime. Support for Wallix (Bastion) implementation
    • - Training and upskilling of technical teams on the Wallix tool (after initial training by the provider), focusing on profiles responsible for the tool.
    • - Automation of Wallix integration into existing virtual machine deployment processes.
    • - Optimization of the adoption and operational use of the bastion solution by the teams.
    Expert Infrastructure Cloud (AWS & Azure) Citrix & Windows Virtualization (XenApp, AVD) Ansible Linux
  • FONCIA,
    Infrastructure Architect / Infra Expert
    REAL ESTATE
    January 2015 - December 2024 (9 years and 11 months)
    Paris, France
    • - Design and evolution of services: Redesign of architecture reducing outsourcing costs from €2.7M to €1M.
    - Reverse engineering of all scripts and code (shell, PHP, Java, C) of Foncia's flagship application on AIX because the publisher claimed it was impossible to port, to ensure the switch from AIX to Linux. So I managed this switch with software support and all +15 satellites were managed by myself.
    • - Cost analysis: Benchmark of cloud vs on-premise solutions: POC on Citrix Cloud solution, Citrix on Azure vs AVD, VMWare on-premise on HP SAN, Nutanix, and Simplivity (HPE). Optimization of ROI for storage and compute services.
    • - SLA Management: Implementation of ELK to analyze performance (session opening times), ensuring SLA compliance.
    • - Micro-services and Big Data: Deployment of OpenShift and Ansible for micro-services architectures, migration from Oracle to MongoDB.
    • - Continuous Improvement: Development of monitoring tools (React/Java) and AWS APIs for backup, integration into LeanIX for centralized service management.
    • - Tools: Documentation via SharePoint, Excel/PowerPoint reports to present developments to stakeholders. Environment: AWS, Azure, Linux, Windows, VMware, NetApp, MongoDB, ELK.
    Architecture Redesign and Cost Reduction (€2.7M → €1M) Reverse Engineering & AIX to Linux Migration Cloud / On-premise Benchmark and ROI Optimization Micro-services Deployment (OpenShift, Ansible) & Big Data (MongoDB) SLA Management with ELK + Monitoring & Governance Tools (LeanIX)
  • GTS – Société Générale
    / Infra Expert
    BANKING AND INSURANCE
    March 2013 - December 2015 (2 years and 9 months)
    Paris, France
    • - Service Creation: Implementation of Citrix XenApp/XenDesktop farms, automated via SCCM/SCOM, for virtualized services.
    • - POC VMware VD Solution: from the creation of the web interface to the engine connected to VMware AD for SG account synchronization, including VM management for Virtual Desktop provision for training.
    • - Big Data and Monitoring: Development of a Big Data solution (ElasticSearch, Kibana, Logstash) to monitor the infrastructure, integrated into an internal service catalog.
    • - Methodological Improvement: Creation of the Citadel tool, standardizing monitoring and reducing incidents through optimized processes.
    • - Collaboration: Work with teams to document services (RACI, descriptive sheets) via SharePoint and Word. Environment: Windows, VMware, Citrix, PHP, SQL Server.
    Virtualized Services Creation Virtual Desktop Solution Design (VDI) Big Data & Infrastructure Monitoring Continuous Improvement & Internal Tools Service Documentation & Governance

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Education

  • EPITA, BAC+5
    EPITA, BAC+5
  • BAC+5
    CNAM
    BAC+5

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