Administrateur Système Linux/DevOps, expert en sécurité H/F

Job summary

You will maintain and evolve secure Linux administration systems within a team supporting the operation of network, IT, cloud, and security solutions. The role includes gathering user requirements, designing and integrating open-source solutions, automating deployments with Ansible, maintaining CI/CD tools such as GitLab and Jenkins, and developing containerization with Kubernetes and Docker. You will also document solutions, troubleshoot issues, and apply ANSSI security recommendations.

Qualifications

• Initial training in IT administration.
• Solid understanding of Linux fundamentals.
• Technical knowledge of Linux, Ansible, Git, Jenkins, and scripting tools such as Bash, Python, or Perl.
• Knowledge of virtualization with Proxmox and containerization is an advantage.
• Demonstrated autonomy and rigor in following processes, instructions, and security rules.
• Ability to work with a strong culture of confidentiality and contribute to a collaborative team.

Responsibilities

• Gather and clarify business stakeholders' requirements.
• Create technical prototypes tailored to requirements.
• Design and integrate technical solutions, prioritizing open-source tools.
• Present proposed solutions to teams defining the requirements.
• Test tools in preproduction, including automated deployments with Ansible.
• Maintain and improve deployment tools and CI/CD pipelines, including Ansible, GitLab, and Jenkins.
• Develop containerization practices using Kubernetes and Docker.
• Write technical documentation for deployed solutions.
• Identify, analyze, and resolve issues in developed and deployed tools.
• Apply security best practices, including system hardening, ANSSI recommendations, and privileged access management.

Skills

Industry

Security clearance

Relocation