Linux System Engineer - Freelance
Experienced job Brussels (Brussels)
Job description
Context
The mission supports the reliability, sustainability, and security of the electricity supply in Belgium and Germany. The project contributes to sustainable and reliable energy infrastructure and the energy transition.
Missions
Provide advanced operational support for Linux-based IT infrastructure.
Ensure stability and performance.
Resolve incidents and service requests in a timely fashion.
Diagnose and resolve OS-level issues.
Perform routine maintenance.
Implement system changes following established processes and standards.
Contribute to problem management.
Identify root causes.
Propose long-term corrective actions.
Collaborate with other teams to maintain secure, compliant, and well monitored environments.
Participate in R&D initiatives.
Evaluate new technologies.
Contribute to solution prototypes.
Continuously improve automation.
Use scripting.
Use Infrastructure-as-Code.
Use automated workflows to reduce manual effort and increase reliability.
Working Conditions
Exceptional Berlin travel, maximum 2 days per month.
Travel expenses are paid by the client.
End date: 31-12-2027 with possible extension
Desired profile
Minimum 4 years of experience in IT operations
End-to-end lifecycle management of Linux environments
Managing containerized, virtualized, and/or physical Linux-based infrastructure in large-scale environments
System performance tuning, troubleshooting, and OS-level diagnostics
Experience with provisioning, patching, lifecycle management, and Infrastructure-as-Code principles
Understanding of CI/CD pipelines for infrastructure and configuration deployment
Experience with container monitoring and container lifecycle operations
Familiarity with ITIL-aligned processes including incident, problem, and change management
Skills in monitoring-driven operations, diagnostics, and forensics
Installation, configuration, and troubleshooting of databases
Basic operational knowledge of network/security platforms and ability to correlate infrastructure and network events for incident analysis
Ability to develop automation for monitoring, remediation, and reporting
Experience with vendor coordination, support processes, and licensing management
Proficiency with tools such as Red Hat Enterprise Linux, Ansible Automation Platform, GitLab, Azure DevOps, Podman, OCI containers, Oracle, MySQL, PostgreSQL, VMware, and security tools like Trend Micro Deep Security, ClamAV, Palo Alto, Check Point, F5, InfoBlox
Programming/scripting skills in Bash and Python
Strong focus on monitoring-driven operations and continuous improvement mindset
Ability to work collaboratively with other teams
Language proficiency: Dutch or French (full professional or native), English (professional working proficiency), German is a plus
For non-EU candidates, valid work and residence permits for Belgium are required
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