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Arnaud DeshayesAD

Arnaud Deshayes

Infrastructure Architect | Systems Engineer

€580/day
Lille, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Arnaud

Rigorous, methodical, and with good interpersonal skills facilitating dialogue and leadership, I have over 14 years of experience in IT.

My background allows me today to bring my expertise to structuring projects, helping IT departments find a technical direction while ensuring compliance with market standards.

I have a project reference to my credit which is the renewal of the On-premise infrastructure with Cloud hybridization, beyond a technical project there is a philosophy to this project:
- Renovate the platform by bringing security to it.
- Rationalize usage by bringing maximum automation.
- Reform technical components defined as a burden for the IT department.
- Technically de-risk IT and bring added value to it.

I am passionate about technology!
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Saint-Maclou
    SYSTEMS ENGINEER / TECHNICAL LEAD (Production Team)
    April 2025 - Today (1 year and 2 months)
    • Migration of the WMS to a SaaS solution hosted on AWS with responsibility for technical project management and target architecture design. Adaptation of the information system, including the integration of the mat cutting machine and SFTP flow management. Configuration and security of RF terminals, implementation of IPsec tunnels and network segmentation via VLAN. Cross-functional project management, in close coordination with the Supply Chain and Data teams. Client and integrator relations.
    • Relocation of the headquarters to the Lille metropolis, including the deployment of the Meraki Wi-Fi infrastructure, transfer of technical equipment such as ESX, ordering and installation of FTTH links, as well as supplier management and coordination.
    • Deployment of an OpenStreetMap backend mapping application on GCP/Kubernetes (replacement for Google Maps).
    • Active Directory remediation following a security audit.
    Run
    • Ticket management under GLPI and JIRA, monitoring under Centreon. Configuration management of store POS systems with Puppet and Gitlab.
  • Majorel
    SECURITY ARCHITECT (DocManagement Team)
    February 2024 - March 2025 (1 year and 2 months)
    Build
    • Creation of technical diagrams for cloud and on-premise environments.
    • Ensure the consistency and sustainability of technological choices, advise internal and business clients, and IT.
    • Securing technical environments, segmentation, and limiting privileged accounts.
    • Assistance in implementing security tools in a DEVSECOPS context (DAST/SAST).
    • Redesign of an obsolete architecture in the mobile banking sector in a private cloud environment, cft, kafka/activeMQ, docker swarm.
    Run
    • Implementation of a change management policy via the group's ITSM ServiceNow.
    • Ensure monitoring of recommendations in compliance with set standards.
    • Analysis of Azure/Intune logs and audit of activities from CyberArk.
  • Bonduelle
    Sysops N3
    AGRICULTURE
    July 2022 - January 2024 (1 year and 6 months)
    Villeneuve-d'Ascq, France
    Build:
    • Participate in the transformation of On-Prem or legacy IT to AWS Cloud.
    • Handling of Windows and Linux system obsolescence, building golden images via Packer.
    • Collaborate on projects as a technical referent, advise functional users.
    • Participate in the implementation of automation, integration, and continuous deployment, CI under Gitlab.
    Run:
    • Management of the WEB part on AWS in a high availability context, ASG, ELB, EC2, RDS via Terraform and Ansible.
    • Support operational teams in implementing IT security policies.
    • Ensure the continuity of Bonduelle's IT service in EMEA.
    • Ensure a minimum level of skills for the rest of the team in their areas of expertise, Citrix, VMware, Veeam.
    • Monitoring via Splunk and Dynatrace.
    • Write and update technical documentation.

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Education

  • IT Project Manager.
    Efficom groupe sciences-U Lille.
    2005
    Chef de projet informatique.

Skill set (20)

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