iOps / Infrastructure / Linux System engineer

Onepoint; Brussel Hoofdstad; Sur place; EUR 45 000 - 65 000; Plein temps

Résumé du poste

Onepoint is seeking a Linux Systems Administrator/Engineer to own the availability, performance, and security of our Linux environments. You will help accelerate the industrialization of operations through scripting and automation, stabilizing services and reducing manual workloads.

You will administer and enhance production Linux servers, monitor key performance indicators, plan security patches, and drive automation across CI/CD toolchains like Ansible, Jenkins, and GitLab CI.

Qualifications

• Degree in computer science, systems & networks or equivalent.
• 3–5+ years of Linux sysadmin/engineer production experience.
• Strong Linux installation, configuration, troubleshooting and performance tuning.
• Robust scripting and automation capability with modern frameworks.

Responsabilités

• Administer and enhance a fleet of Linux servers in production.
• Ensure core services function properly: users/groups, permissions, quotas, cron.
• Monitor CPU, memory, disk I/O, and network performance; plan capacity.
• Plan and execute security patches and upgrades with minimal impact.
• Design, develop and maintain scripts; standardize and reuse code.
• Industrialize scripting: version control, docs, coding standards.
• Integrate scripts into automation/CI/CD toolchains (Ansible, Jenkins, GitLab CI).

Connaissances

Linux systems

Scripting

Automation

CI/CD

Monitoring

Formation

Bachelor’s/Master’s in CS or related

Outils

Ansible

Puppet

Jenkins

GitLab CI

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.