Linux Administrator

Keoni; Paris; Hybrid; EUR 50,000 - 70,000; Full time

Job summary

Keoni in Paris, France, seeks a Linux Administrator with 5+ years of experience to maintain a fleet of about 1000 Linux servers within the System & Storage Infrastructure team. You will handle operation, maintenance, patching, and security remediation in close collaboration with IT Security.

The role emphasizes automation and optimization using Ansible and Terraform, plus scripting in Bash. A strong DevSecOps mindset and ITIL knowledge help drive resilient, secure infrastructure across the

Qualifications

• Extensive experience with large-scale Linux environments (1000+ servers).
• Proficiency in Red Hat or Debian environments.
• Hands-on knowledge of virtualization (VMware, RHV).

Responsibilities

• Operate and maintain Linux environments; manage patching and vulnerability remediation.
• Automate routine tasks using Ansible and Terraform; contribute to DevSecOps practices.

Skills

Linux

Bash/Shell scripting

DevSecOps

ITIL

Tools

Terraform

VMware

Ansible

Red Hat

Debian

Job description

# Linux Administrator* Linux AdministratorCONTEXT Experience: 5 years or more Job Functions: Production, Operations, Infrastructure, Systems Administration Technological Specialties: Middleware, Storage, Infrastructure, VirtualizationMISSIONS Description and deliverables of the service Context: Within the System & Storage Infrastructure team of 10 people, you will contribute to maintaining the operational readiness of a fleet of approximately 1000 Linux servers. You will be involved in both operational activities and projects with a strong security focus, working closely with the IT Security/SOC teams.Main responsibilities: 1. Operation and maintenance (50%) – Ensure the availability, stability, and performance of Linux environments. – Manage patch management and vulnerability remediation, in coordination with the Information Systems Security (ISS) team. – Participate in level 2 and 3 support, in collaboration with the DBA, Middleware, Network, etc. teams.3. Automation & Optimization – Automate routine administrative tasks and remediation workflows (Ansible, Terraform, scripting). – Optimize existing infrastructures and improve the resilience of environments. – Contribute to the development of best practices (DevSecOps approach).Desired Expertise and Technical Skills: – Excellent command of Linux operating systems. – Proficiency with Red Hat (or Debian). – Solid knowledge of virtualization solutions, ideally VMware and RHV.Desired skills: – Bash/Shell scripting. – Automation via Ansible & Terraform. – DevSecOps culture or experience. – Knowledge of ITIL best practices.Skills , Technologies and Tools: Linux (2 years), Terraform, Debian Unix (2 years), VMware, Ansible, Red Hat (2 years), ITIL Methodologies/Standards**Work location:** Europe