iOps / Infrastructure / Linux System engineer

Onepoint; Zele; Sur place; EUR 60 000 - 78 000; Plein temps

Résumé du poste

Onepoint is seeking a Linux systems engineer to own availability, performance and security of Linux environments and to accelerate automation across operations. You will stabilize services, reduce manual workload and support infra evolution in production.

Responsibilities include administering Linux fleets, maintaining core services, monitoring system metrics, applying security patches and automating scripts within CI/CD tooling such as Ansible, Jenkins and GitLab CI.

Qualifications

• Degree in computer science, systems & networks or equivalent.
• 3–5+ years of Linux systems administration/engineering in production.
• Strong Linux installation, configuration, troubleshooting and perf tuning.
• Robust scripting skills and automation mindset.
• Experience with Ansible and CI/CD pipelines.

Responsabilités

• Administer and enhance a fleet of Linux servers in production.
• Ensure core services functioning: users, groups, permissions, partitions, quotas, cron.
• Monitor CPU, memory, disk IO, network; anticipate capacity needs.
• Plan and execute security patches, updates, upgrades with minimal prod impact.
• Design, develop and maintain scripts; industrialize scripting with versioning, docs.
• Integrate scripts into CI/CD toolchains like Ansible, Jenkins, GitLab CI.

Connaissances

Linux administration

Scripting

Automation

CI/CD

Ansible

Formation

Bachelor's/Master's in CS or equivalent

Outils

Git

GitLab CI

Jenkins

Puppet/Chef

Description du poste

Contribute to the major transformations of companies and public actors by combining technological innovation and business expertise, serving our society and customers to help them move forward sustainably.

Your responsibilities for this function :

Within the IT organization, you are responsible for the availability, performance and security of Linux environments, while accelerating the industrialization of operations through scripting and automation. You play a key role in stabilizing services, reducing manual workload and supporting the evolution of the infrastructure.

• Administer and enhance a fleet of Linux servers (e.g. Red Hat, CentOS, Ubuntu or similar) in production environments.
• Ensure proper functioning of core system services: user and group management, permissions, partitions, quotas, scheduled jobs (cron), etc.
• Monitor performance indicators (CPU, memory, disk I/O, network) and anticipate capacity needs.
• Plan and execute security patches, updates and upgrades, minimizing impact on production services.
• Design, develop and maintain scripts
• Industrialize the scripting ecosystem: version control (Git), coding standards, documentation and reuse of scripts.
• Integrate scripts into automation and CI/CD toolchains such as Ansible, Jenkins, GitLab CI or equivalent.

Your skills:

• Degree in computer science, systems & networks or equivalent (Bachelor’s/Master’s level)
• Solid professional experience (typically 3–5+ years) as a Linux systems administrator/engineer in production environments
• Strong expertise in Linux systems: installation, configuration, troubleshooting and performance tuning.
• Robust scripting skills
• Automation frameworks (Ansible, Puppet, Chef, etc.) and/or CI/CD pipelines (Jenkins, GitLab CI…).

Onepoint in a few words:

In just over 20 years, Onepoint has become one of the major players in consulting and tech. Indeed, our collective has now more than 3,500 people around the world (France, Australia, Belgium, Canada, Malaysia, Morocco and Singapore). Our turnover has been multiplied by 10 in only 10 years, reaching more than 500 million euros, and aims to reach a billion euros within 4 years.