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Oussama DechounOD

Oussama Dechoun

System & Cloud Administrator

€220/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Oussama

Freelance System & DevOps Administrator — Linux | Cloud | Automation

With several years of experience in IT infrastructure management, I assist companies (SMEs, startups, agencies) in deploying, optimizing, and monitoring their Linux, cloud, or on-premise server environments.

What I can do for you:

Setup and maintenance of Linux servers (Debian, Ubuntu, CentOS…)

Containerization with Docker & Docker Compose

Deployment automation (CI/CD, Ansible, Bash scripts)

Monitoring & alerting (Zabbix, Grafana, Prometheus…)

System security hardening (firewall, updates, audits)

  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • BEYN
    SYSTEM ADMINISTRATOR
    April 2024 - Today (2 years and 2 months)
    Alger, Algeria
    System Installation and Configuration:
    • Installation, configuration, and maintenance of servers (Linux systems, Debian-based like Ubuntu, Debian, and RedHat-based like RHEL and CentOS) and virtualization platforms via VMware (Vsphere, Vcenter, Esxi)
    • Management of system updates, patches, and ensuring system security.

    System Monitoring and Maintenance:
    • Monitoring system health, performance, and availability using monitoring tools like Zabbix and Grafana for infrastructure monitoring.
    • Ensuring high availability and optimizing system performance for applications and services (HA Proxy; Patroni and Etcd).
    • System troubleshooting and providing rapid solutions to minimize downtime.

    Automation and Scripting:
    • Writing Bash and Python scripts to automate repetitive tasks, system monitoring, and alerts.
    • Implementing configuration management tools like Ansible to automate system provisioning and software deployment.

    Cloud Infrastructure Management:
    • Managing cloud infrastructures on AWS.
    • Migrating infrastructures from Cloud to on-premise and vice-versa.
    • Setting up CI/CD pipelines with GitLab for automated testing, integration, and deployment.
    • Managing Docker containers and orchestrating deployments via Docker Compose.
    VMware ESX AWS Cloud Monitoring Docker Gitlab
  • MLM Conseil
    SYSTEM ADMINISTRATOR
    CONSULTING AND AUDITS
    July 2023 - April 2024 (8 months)
    Noisy-le-Grand, France
    Odoo ERP Infrastructure Management:
    • Deployment, configuration, and maintenance of Odoo ERP instances, including database management and server optimization.
    • Ensuring high availability and performance of Odoo systems through monitoring server health and usage metrics.
    • Managing Odoo updates, module installations, and troubleshooting to meet business needs.
    • Implementing security measures for Odoo environments, including role-based access control and secure backups.

    System Administration and Management:
    • Installation, configuration, and maintenance of servers and operating systems (primarily Linux and Windows) as well as the Proxmox hypervisor.
    • Management of system updates, security patches, and software installations.
    • Deployment of application services and web infrastructures (Nextcloud, GITLAB, Jenkins, Jira)

    Technical Support and Troubleshooting:
    • Providing technical support to users, resolving hardware and software issues via ticketing systems and remote desktop tools.
    • Diagnosing and resolving incidents related to systems, applications, and networks.
    • Managing support tickets, with prompt follow-up and resolution (GLPI / Os-Tickets).
  • LENA PAPIER
    APPRENTICE SYSTEM ADMINISTRATOR
    February 2023 - June 2023 (4 months)
    Bouïra, Algeria
    Assistance in IT Infrastructure Management:
    • Contribution to the management of the company's IT infrastructure, ensuring system stability and performance through regular maintenance and proactive monitoring.

    Support during Network and Server Upgrades:
    • Participation in the implementation of network and server upgrades aimed at improving operational efficiency and meeting business requirements.

    System Maintenance and Troubleshooting:
    • Performing regular maintenance and troubleshooting to minimize downtime and ensure the proper functioning of company systems.

    Collaboration on IT Solution Design:
    • Collaborating with team members to design and implement IT solutions tailored to the specific needs of the company, while ensuring their alignment with business objectives.

    Practical Hardware and Software Configuration:
    • Hands-on experience in configuring and deploying hardware and software systems for a production environment, supporting users and the IT infrastructure.

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Education

  • STATE ENGINEER IN SYSTEMS.
    National School of Advanced Technologies
    2023
    INGÉNIEUR D'ÉTAT EN SYSTÈMES.

Skill set

Categories