Linux Technical Lead

Île-de-France  ‐ Hybrid
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Keywords

Linux Infrastructure Management Automation Ansible Safety Principles IBM AIX Ubuntu (Operating System) OpenShift Red Hat Enterprise Linux Terraform Innovation Apache HTTP Server Apache Tomcat Technical Support CentOS System Configuration Debian Linux Elasticsearch Middleware Scalability HP Data Protector WildFly (JBoss AS) PostgreSQL MariaDB MongoDB MySQL NetApp Applications Nginx Open Source Technology OpenStack Storage Systems Technical Reference Technology Research VMware Virtualization Zabbix Testing Docker Swarm System Availability Git Electromagnetic Compatibility System Administration Pure Storage Kubernetes Centreon Organisational Policies Veeam Commvault Fedora Database Administration Docker Vmware

Description

Job Title: Linux Technical Lead
Location: Aix-en-Provence or Paris
Remote work policy: 2-3 days on-site per week
Industry: IT / System Infrastructure
Project Duration: 6 months

About the Company:
Our client is a leading provider of digital trust services, offering secure and innovative IT solutions. They
specialize in building and maintaining complex infrastructures, ensuring high availability, scalability, and security
across multiple platforms. The company fosters a dynamic work environment, with a focus on continuous
learning and technological advancement.

Job Description:
We are looking for a Linux System Infrastructure Engineer - Tech Lead to join our client's team for a 6-month
project based in either Paris or Aix-en-Provence, France. This freelance role involves overseeing and managing
Linux system infrastructures within a diverse and evolving technical environment. The candidate will act as a
technical lead, ensuring system stability, security, and efficiency while also contributing to automation and cloud-based initiatives..

Key Responsibilities:
  • Provide Level 3 technical support and serve as a key technical reference within the team.
  • Deploy and manage high-value infrastructure projects.
  • Define standards and maintain internal policies related to system administration.
  • Implement operational procedures to enhance efficiency.
  • Act as an interface between architects and external vendors.
  • Conduct technology research and homologation to assess new solutions.
  • Develop and enhance automation tools using Ansible, Terraform, or similar technologies.
  • Lead internal projects, including system migrations, upgrades, and large-scale deployments.


Required Skills & Qualifications:
  • Minimum 10 years of experience as a Linux System Administrator (Ubuntu/Debian or RedHat/Fedora).
  • Homologation & Validation: Experience testing and validating new infrastructure versions (e.g., VMware 8) for compatibility.
  • Strong expertise in automation tools like Ansible, Terraform, or Packer for system configuration and VM management.
  • Experience in hardening Linux systems for security and compliance.
  • Deep understanding of open-source technologies and Linux-based IT environments.
  • Familiarity with container management (Docker, Kubernetes, or OpenShift) is a plus.
  • Proven ability to lead internal IT projects such as migrations, upgrades, and mass deployments.
  • Strong analytical skills with the ability to troubleshoot complex technical issues.
  • Excellent organizational and communication skills, with the ability to work both independently and within a team.


Technical Environment:
  • 15,000 physical and virtual servers primarily on Linux (RHEL, CentOS, Ubuntu)
  • VMware virtualization including large-volume VMs
  • Automation with Ansible, OpenShift, OpenNebula, ManageIQ, GIT
  • Orchestration using OpenStack, Docker Swarm
  • Infrastructure management with Katello Foreman, Lansweeper, vRealize
  • Storage solutions including NetApp, Pure Storage, Huawei, EMC
  • Backup technologies like Veeam, HP Data Protector, Commvault, DataDomain
  • Middleware expertise in Tomcat, JBoss, Apache, Nginx, DRBD, HA, Keepalive
  • Database management with MySQL, MariaDB, PostgreSQL, MongoDB, ElasticSearch
  • Monitoring and supervision using Centreon, Zabbix
Start date
4.2025
Duration
6 months
From
Phaidon International
Published at
01.04.2025
Contact person:
Jowayne James
Project ID:
2865163
Industry
Plant and Mechanical Engineering
Contract type
Freelance
Workplace
50 % remote
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