Mission freelance Linux Systems Engineer

Notre client dans le secteur Énergie et ressources naturelles recherche un/une Linux Systems Engineer H/F

Description de la mission :

Context

A European electricity transmission operator is contributing to the development of a sustainable, reliable energy infrastructure in Belgium and Germany. The consultant will work alongside internal staff and other contingent workers in a large-scale, enterprise environment supporting the energy transition.

Mission

Provide advanced operational support for Linux-based IT infrastructure, ensuring system stability, performance, security and compliance. Contribute to continuous improvement through automation, research and development, and collaboration with other teams.

Key responsibilities

• Resolve incidents and service requests in a timely manner, diagnosing and troubleshooting operating-system-level issues.

• Perform routine maintenance and implement system changes according to established processes and standards.

• Contribute to problem management by identifying root causes and proposing long-term corrective actions.

• Maintain secure, compliant and well-monitored environments in collaboration with other teams.

• Improve automation using scripting, Infrastructure as Code and automated workflows to reduce manual effort and increase reliability.

• Participate in R&D initiatives, evaluate new technologies and contribute to solution prototypes.

• Support monitoring-driven operations, diagnostics and forensic analysis.

Technical environment

• Linux platforms: Red Hat Enterprise Linux (or equivalent), Red Hat Satellite 6.x

• Automation and Infrastructure as Code: Ansible Automation Platform, playbooks, roles and automation workflows

• CI/CD and version control: Git-based workflows, GitLab, Azure DevOps

• Containers: Red Hat container ecosystem, Podman, OCI containers

• IT service management: ITIL-aligned incident, problem, change and service request processes

• Preferred infrastructure and platforms: VMware, NetApp, server hardware and firmware lifecycle management

• Preferred databases: Oracle, MySQL, PostgreSQL

• Preferred security and network tools: Trend Micro Deep Security, ClamAV, Palo Alto, Check Point, F5, InfoBlox

• Scripting: Bash, Python

Expected deliverables

• Stable, performant and well-monitored Linux infrastructure.

• Timely resolution of incidents and service requests, with root-cause analysis and proposed long-term corrective actions.

• System changes and routine maintenance completed in line with established processes and standards.

• Automation improvements, automated workflows and solution prototypes that improve reliability and reduce manual effort.

Profile

Experience

• At least 4 years of experience in IT operations managing containerized, virtualized and/or physical Linux-based infrastructure in large-scale enterprise, governmental or supranational environments.

• End-to-end lifecycle management of Red Hat Enterprise Linux or equivalent environments.

• Experience with enterprise tooling, operating-system performance tuning, troubleshooting and diagnostics.

Technical skills

• Strong experience with Ansible Automation Platform, including playbooks, roles and automation workflows.

• Familiarity with Infrastructure-as-Code principles, pipeline integration and automation connected to monitoring and operational workflows.

• Practical experience with Git-based workflows and an understanding of CI/CD pipelines for infrastructure and configuration deployment.

• Experience with Podman or OCI containers, including container monitoring and lifecycle operations.

• Experience working with ITIL-aligned incident, problem, change and service request processes.

• Preferred: exposure to databases and their installation, configuration and troubleshooting; hardware lifecycle management; VMware; NetApp; endpoint detection and protection tools; and network and security platforms.

• Preferred: scripting in Bash and/or Python, automation for monitoring, remediation and reporting, and vendor coordination, support processes and licensing management.

Soft skills

• Collaborative approach and ability to work across teams.

• Focus on operational reliability, security, compliance and continuous improvement.

Languages

• Dutch or French: full professional or native proficiency.

• English: professional working proficiency.

• German: considered a plus.

Location and working arrangements

• Team base: Brussels, Belgium.

• Exceptional travel to Berlin may be required, up to 2 days per month; travel expenses are covered.

• The applicable remote-work policy governs service delivery; no specific number of remote-working days is stated.

• For work in Belgium, non-EU candidates must hold a work permit allowing them to work in Belgium and a valid residence permit confirming their right to reside there.

• Local conditions depend on where the purchase order is created. The location of the purchase order may change, subject to the applicable local tender process.

What makes this mission attractive

• Opportunity to contribute to innovation and the energy transition through work on technologies supporting a more sustainable future.

• Focus on well-being and a positive work culture.

• Opportunity to join a diverse, passionate team that values collaboration and knowledge sharing.

Compétences / Qualités indispensables :

Linux platform engineering and Red Hat Enterprise Linux lifecycle management, Red Hat Satellite 6.x, Ansible Automation Platform and Infrastructure as Code, ITIL-aligned IT operations and incident/problem management, Git-based CI/CD workflows, Linux automation and troubleshooting

Compétences / Qualités qui seraient un + :

Informations concernant le télétravail :

Oui — 3 jours/semaine