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Charles DavantCD

Charles Davant

Expert Linux, System Engineer / Infrastructure Architect

€700/day
Paris, FR
15+ years

Average response time: 4 hours

Freelancer profile translated to English.
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About Charles

My twenty-two years of experience as an "Infra Manager" or "Open Source System Engineer" have allowed me to tackle numerous problems related to the design, security, management, and implementation of information systems. Having also been a trainer, I have acquired pedagogical experience as well as real writing skills.

I have had the opportunity to broaden my professional skills over the last six years as an "Open Source Technical Lead" and "Infrastructure Architect".
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Vevey
    IT Consultant
    CONSULTING AND AUDITS
    June 2023 - Today (3 years)
    Vincennes, France

    - Following several years of experience on large IT projects as an employee, I decided to go back into business by creating the company Vevey, and to try the adventure of entrepreneurship again.

    To date:

    • RH Linux System Engineer (Aspera IBM) - "Safran Aircraft Engine"
    • Founder and Manager of the company - "Vevey"
  • ATOS / Bull SAS
    System Engineer - Infra Architect - Technical Lead
    CONSULTING AND AUDITS
    September 2008 - February 2023 (14 years and 5 months)
    Bezons, France
    (02/2022 to 02/2023):
    - System Engineer (Docker Swarm Infra) - Pierre Fabre
    * Management of Docker workers and RH Linux system for workers (Dev, Test, and Prod)
    * Installation and deployment of workers

    (06/2017 to 07/2021):
    - Transverse Technical Lead for Architects - DGFIP
    * Technical and process support for infrastructure and virtualization architects
    * Deployment of OpenStack IaaS infra (via Ansible Playbook)
    * Technical Architect (Support for deployments for project construction)
    * Study, definition, and creation of FIDD with IT platform development teams
    * Deployment (Cobbler), configuration (Puppet), and production launch of IT projects

    (01/2017 to 06/2017):
    - Linux System Engineer (CentOs, Debian) - SFR
    * Writing operational documents for the COBBLER / ANSIBLE solution
    * Creation, deployment, and production launch of a VM deployment solution via COBBLER / ANSIBLE

    (11/2015 to 12/2016):
    - Redhat Linux Technical Lead - Banque de France
    * Linux Technical Lead for the N3 SYSTEM SUPPORT service (MAPS project)
    * Redhat Linux Technical Lead in the UNIX infra service
    * Validation mission for VCAF for ATOS at the Banque de France

    (05/2010 to 10/2015):
    - Linux System Engineer (Redhat / CentOs, Debian) - Ministry of the Interior
    * IaaS installation and configuration of HP HELION CLOUD via OpenStack
    * Administration of ~2500 VMs under KVM and VMWare 5.x as well as ~1500 physical machines
    * Participation in the implementation of the SPAN project (Remote access for mobile workers)
    * Installation, setup, and administration of Open Source application stacks
    * Study, creation of a PXE system and installation of servers via PXE across 3 data centers

    (09/2009 to 04/2010):
    - WEB Platform Manager - Paris Chamber of Commerce and Industry
    * Creation, installation, and configuration of web projects with "LAMP" services
    * Research and implementation of Open Source solutions
    * Integration of client data on dedicated servers

    (09/2008 to 09/2009):
    - Operations Engineer (Solaris and Redhat) - Financial Markets Authority
    * Definition, creation, and implementation of a backup strategy
    * Management of Solaris servers and creation of maintenance scripts
    * Processing and reporting of stock market declaration information from the previous year

    Summary:
    Over my 14 years at Atos / Bull, I have successfully completed all my missions to the satisfaction of various clients. I had the opportunity to open markets for Bull, such as the AMF, and for Atos, the BNF and Pierre Fabre. I also had to adapt to new technologies like CLOUD for MIOMCT and DGFIP without prior experience, but successfully. In summary, these 14 years have allowed me to tackle numerous problems related to the design, security, management, and implementation of information systems. I have had the opportunity to broaden my professional skills over the last six years as a "Linux Technical Lead" and "Infrastructure Architect".
  • Azerty Solution
    IT Consultant
    CONSULTING AND AUDITS
    March 2006 - July 2008 (2 years and 4 months)
    Paris, France
    - Consultant for the Jean-Cotxet association
    * Installation and configuration of "Dedibox" servers under Debian
    * Creation, installation, and configuration of a WEB project with "LAMP" services
    * Research and implementation of OpenSource solutions (Python) for a software library project

    - Substitute trainer for the "IT Assistant Technician" session at AFPA
    * Planning and organization of the exam for the TAI group
    * Trainer for Linux systems (Mandriva, Debian) and networks
    * Implementation of exam programs for a state diploma and a professional jury

    Summary:
    Following the digital boom at the time, I registered and offered my company for personal services (Borlo Law of 2003). I was able to train and assist individuals with the digital tools of the time.

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Education

  • COMPUTER SYSTEMS AND NETWORKS
    CNAM
    1998
    INFORMATIQUE CYCLE PROBATOIRE (Systèmes et réseaux informatiques) B4 : * Permettre de comprendre les principaux éléments d'environnements comme ceux des systèmes UNIX/INTERNET. Les compétences concernées sont donc : la construction, l'évolution des systèmes informatiques et des réseaux, l'ouverture et l'interfaçage des systèmes et réseaux, la programmation d'applications comportant des processus coopérants, locaux ou distants (applications temps rel, applications réparties...), l'exploitation des systèmes, l'interconnexion des réseaux et l'administration des réseaux.
  • ELECTRONIQUE ET INFORMATIQUE
    INSTITUT DE POLY- INFORMATIQUE
    1994
    Programme : Électronique numérique et analogique, architecture système, systèmes d'exploitation et les réseaux. Formation en alternance

Skill set

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