iOps / Infrastructure / Linux System engineer

Onepoint; Brussel; Sur place; EUR 45 000 - 70 000; Plein temps

Résumé du poste

Onepoint is seeking a skilled Linux Systems Administrator to be responsible for the availability, performance, and security of Linux environments. The role involves administering and enhancing a fleet of Linux servers, monitoring performance metrics, and ensuring core system services function smoothly.

Ideal candidates will have a degree in computer science or a related field, with solid experience as a Linux admin and strong scripting skills. The position emphasizes automation and CI/CD integration.

Qualifications

• 3-5+ years of experience in Linux systems administration in production environments.
• Strong expertise in Linux installation, configuration, troubleshooting, and performance tuning.
• Robust scripting skills are required.

Responsabilités

• Administer and enhance Linux servers in production environments.
• Monitor performance indicators and anticipate capacity needs.
• Plan and execute security patches, updates, and upgrades.

Connaissances

Linux systems administration

Scripting

Monitoring performance

CI/CD integration

Formation

Degree in computer science, systems & networks or equivalent

Outils

Ansible

Jenkins

Git

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.

Responsibilities

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.

Qualifications

• 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…).