Linux Administrator (M/F)

NEXTGEN RHGirondeEURESpublished 07/21/2026
Must-have:DockerKubernetesSecurityLead
Machine translation — original language: French.Show original

Job Description:

Our client is a leading player in innovation, specializing in cybersecurity, software publishing, and the securing of mobile and connected applications. The company positions itself as a key player in protecting data and systems against cyber threats, offering innovative solutions for industrial players, major accounts, and institutions.

As part of its business development, our client is looking for a LINUX and NETWORK ADMINISTRATOR (M/F) CDI - BORDEAUX (33) - FROM €30K ACCORDING TO PROFILE

Reporting to the Head of IT, you will be the operational guarantor of the site's infrastructure, in a highly automated technical environment focused on Open Source and SecOps.

Your main missions will be Administration & Automation (IaC): Manage configurations and automated deployments via Ansible and SaltStack on the Dell server and PC fleet.Operational Security & Supervision: Supervise the infrastructure on a daily basis (Zabbix, Wazuh), analyze alerts, apply security policies, and ensure the performance and resilience of the local network (OPNsense, TP-Link, UniFi). Infrastructure & Storage: Ensure the operational maintenance and evolution of the Proxmox virtualization cluster and Ceph distributed storage.Containerization: Participate in the management and monitoring of Docker environments and Kubernetes clusters (Talos). Support & Proximity: Be the trusted point of contact for employees to resolve their incidents (Hardware/Software). You will manage a fleet consisting mainly of Lenovo laptops under Linux and Apple macOS.***AI Projects: Actively participate in the integration and maintenance of AI solutions to optimize processes.

Profile Description:

We are looking for a profile with a Bachelor's or Master's degree (Bac+3 to Bac+5) in computer science (Licence Pro, Master, Engineering School) with a strong Linux culture (Debian, Ubuntu, Archlinux, NixOS) and a good mastery of Docker and network concepts (routing, firewall). A first significant experience or apprenticeship would be an asset. The key soft skills for this position are: autonomy, resourcefulness, rigor, and interpersonal ease to communicate with pedagogical skills. Mastery of technical English is indispensable for international exchanges. Technical Stack OS & Hardware: Linux (Debian 12/13, Ubuntu, Archlinux, NixOS) on Dell servers and Lenovo Laptops, Apple macOS (Only 2 Windows computers in the entire company). Automation & Storage: Ansible, SaltStack, CephVirtualization & Containers: Proxmox, Docker, Kubernetes (Talos)Network & Security: OPNsense, TP-Link, UniFi, Wazuh, Zabbix***AI: Claude, Gemini, local LLMs

Contractual Framework and Benefits: CDI employment contractHealth insurance, restaurant vouchers, partial teleworking.Dynamic and collaborative environment, with training opportunities.

Recruitment Process:

NEXTGEN RH also accompanies you throughout the recruitment process through a fundamentally human approach.

1/ Telephone exchange with your recruitment officer

2/ In-person or video interview with your recruitment officer

3/ Interviews at our client's premises.