Alban Espié-Guillon

Linux Systems Administrator at OW2
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Contact Information
us****@****om
(386) 825-5501
Location
Lyon, Auvergne-Rhône-Alpes, France, FR
Languages
  • Français Native or bilingual proficiency
  • Anglais Professional working proficiency

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Credentials

  • CCNA R&S: Connecting Network
    Cisco
    Nov, 2018
    - Sep, 2024
  • CCNA R&S: Scaling Network
    Cisco
    Oct, 2018
    - Sep, 2024
  • CCNA R&S: Routing and Switching Essentials
    Cisco
    Nov, 2017
    - Sep, 2024
  • CCNA - Routing and Switching : Présentation des réseaux
    Cisco
    Oct, 2017
    - Sep, 2024
  • CCNA Discovery 1: Networking for Home and Small Business
    Cisco
    Sep, 2016
    - Sep, 2024

Experience

  • OW2
    • France
    • Software Development
    • 1 - 100 Employee
    • Linux Systems Administrator
      • Apr 2022 - Present

      Single-man army in charge of the information services used and provided by OW2. My work consists in: * Managing our virtual machines and network resources * Supervision and maintenance in operational condition of our services * Technical support of both internal OW2 team and OW2 members * Continuous improvement of our infrastructure Some of the stuff i'm working with: * Ansible, Docker * Bind9, Postfix, OpenLDAP * Haproxy, Apache2, Nginx, PHP-FPM * MongoDB, MariaDB, PostgreSQL, Redis * GitLab, Matomo, Nextcloud, RocketChat, SonarQube, XWiki Show less

  • Imperium (Association)
    • United States
    • Software Development
    • 1 - 100 Employee
    • IT Referent
      • Mar 2017 - Present

      IT Referent for Imperium association. Setup, supervision and maintenance in operational conditions of a Nextcloud architecture for administrative needs, with following tools : * Nextcloud on NGINX / PHP-FPM / MariaDB / Redis * Users management with an OpenLDAP Cluster * Deploy with Ansible and Docker * Supervision with Zabbix and TIG stack * Backups with Borg & Borgmatic * Project versioning and CI/CD with Gitlab IT Referent for Imperium association. Setup, supervision and maintenance in operational conditions of a Nextcloud architecture for administrative needs, with following tools : * Nextcloud on NGINX / PHP-FPM / MariaDB / Redis * Users management with an OpenLDAP Cluster * Deploy with Ansible and Docker * Supervision with Zabbix and TIG stack * Backups with Borg & Borgmatic * Project versioning and CI/CD with Gitlab

  • PCI-Info
    • France
    • Software Development
    • 1 - 100 Employee
    • IT Infrastructure and Support Manager
      • Jun 2021 - Mar 2022

      As the IT Infrastructure Manager my goal is to gradually improve the current infrastructure to more modern standards of stability, ergonomy, availability and security. The main challenge being to upgrade the whole architecture with minimal impact on the provided services, while responding to a significant number of urgent issues and sometimes incidents. Having a second responsibility as the Support Manager, my role is also to supervise, improve and manage our support team in contact with our clients and to provide technical escalation if necessary. * Hardware management of a small server room (organization, firmware upgrades, iLO, etc.) * Virtual Machines Management on ESXi vSphere * Management of ZFS/iSCSI datastores on TrueNAS * Firewall / VPN Tunnels and complex network configurations with Pfsense * Infrastructure as Code with Ansible * PKI Management * Monitoring with Zabbix 5.4 * Management of Debian, CentOS and AlmaLinux systems * Logs centralization with GrayLog2 and Rsyslog * GitLab, Haproxy, Postfix, Fail2ban, etc. Show less

  • Alter Way
    • France
    • IT Services and IT Consulting
    • 100 - 200 Employee
    • Linux Systems Administrator
      • May 2018 - May 2021

      Technical referent for one of Hosting teams. As a sysadmin at Alter Way Hosting, our daily job is the supervision and maintenance in operational condition of our clients platforms. I'm also in charge of the team's projects, consisting of deploying new client architectures, or upgrade of old ones. Also working on various subjects like supervision, automation improvements and as a MongoDB referent. * Ansible * AWS (Amazon Web Services) * Terraform * Docker * Proxmox * Zabbix / Munin / Grafana * Apache / NGINX, HAProxy, Varnish, PHP-FPM * MySQL/MariaDB/Percona XtraDB, PostgreSQL, MongoDB * Rsyslog, Logrotate, Postfix, LVM, Iptables, Keepalived, Bareos... Show less

    • System and Network Administrator
      • Dec 2016 - Apr 2018

      Administration of Windows (few FreeBSD and Debian) virtualized architectures, network design, maintenance and troubleshooting. Also support and trainer on SimplyDesk product (HelpDesk/Asset management software). Last project I ended working on was a monitoring solution study and proof of concept implementation. * ESXi vSphere, * Windows Server 2008-16 - SQL Server/ IIS, * GNU/Linux Debian - Apache2/Postfix Administration of Windows (few FreeBSD and Debian) virtualized architectures, network design, maintenance and troubleshooting. Also support and trainer on SimplyDesk product (HelpDesk/Asset management software). Last project I ended working on was a monitoring solution study and proof of concept implementation. * ESXi vSphere, * Windows Server 2008-16 - SQL Server/ IIS, * GNU/Linux Debian - Apache2/Postfix

  • APTECH - Groupe ALTEN
    • France
    • IT Services and IT Consulting
    • Support Technician
      • Nov 2016 - Dec 2016

      HelpDesk support, diagnostic of network issues. HelpDesk support, diagnostic of network issues.

  • Centre de Calcul de l'IN2P3
    • France
    • Information Technology & Services
    • 1 - 100 Employee
    • Hardware Maintenance Technician
      • May 2016 - Aug 2016

      Incidents management and maintenance of servers hardware. Incidents management and maintenance of servers hardware.

  • Artefacts Studio
    • France
    • Computer Games
    • 1 - 100 Employee
    • Junior System and Network Administrator
      • Mar 2015 - Apr 2016

      User support and asset management. Implemented a password policy and an OPNSense router/firewall/VPN. User support and asset management. Implemented a password policy and an OPNSense router/firewall/VPN.

Education

  • Isitech, École d’Ingénierie Informatique
    Master EXPERT EN SYSTEMES D'INFORMATION (E.S.I.) Niveau I, Informatique, Systèmes et Réseaux
    2018 - 2020
  • Isitech, École d’Ingénierie Informatique
    Licence Responsable de Projets Informatiques (R.P.I.), Informatique, Systèmes et Réseaux
    2017 - 2018
  • Isitech, École d’Ingénierie Informatique
    BTS Service Informatique aux Organisations (S.I.O.), Informatique, Systèmes et Réseaux
    2014 - 2016
  • Lycée de L'édit
    Baccalauréat, Scientifique
    2009 - 2013

Community

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