Linux System Administrator

JOB TITLE: LINUX SYSTEM ENGINEER SERVICE

LOCATION: BRUSSELS BELGIUM

LANGUAGES: ENGLISH, DUTCH OR FRENCH

WORK MODE: FULL TIME (HYBRID AND 2-3 DAYS ONSITE PER WEEK)

DURATION: ASAP - 31/12/2027, WITH THE POSSIBILITY OF EXTENSION.

JOB DESCRIPTION - ROLES AND RESPONSIBILITIES

Service description:

• The system engineer will provide advanced operational support for Linux-based IT infrastructure, ensuring stability and performance. Incidents and service requests are resolved in a timely fashion. The system engineer diagnoses and resolves OS-level issues, performs routine maintenance, and implements system changes following established processes and standards. The engineer contributes to problem management by identifyiaxng root causes and proposing long-term corrective actions. They collaborate with other teams to maintain secure, compliant, and well monitored environments. In addition to daily support tasks, the engineer participates in R&D initiatives, evaluating new technologies, and contributing to solution prototypes. They continuously improve automation through scripting, Infrastructure-as-Code, and automated workflows to reduce manual effort and increase reliability.

Requirements:

Must-have experience and skills

• Experience
• Minimum 4 years of experience in IT operations, managing containerized, virtualized, and/or physical Linux-based infrastructure in large-scale environments (enterprise, governmental, or supranational).
• Linux Platform Engineering
• End-to-end lifecycle management of Red Hat Enterprise Linux (or equivalent) environments
• Experience with enterprise tooling, including:
• Red Hat Satellite 6.x (provisioning, patching, lifecycle management)
• System performance tuning, troubleshooting, and OS-level diagnostics
• Automation & Infrastructure as Code
• Strong experience with Ansible Automation Platform (playbooks, roles, automation workflows)
• Familiarity with Infrastructure-as-Code principles and pipeline integration
• Experience integrating automation with monitoring and operational workflows
• CI/CD & Version Control
• Practical experience with Git-based workflows (GitLab, Azure DevOps, or similar)
• Understanding of CI/CD pipelines for infrastructure and configuration deployment
• Container Technologies
• Experience with Red Hat container ecosystem, including:
• Podman / OCI containers
• Understanding of container monitoring and lifecycle operations
• IT Service Management (ITSM)
• Experience working within structured ITIL-aligned processes:
• Incident, problem, and change management
• Service request handling
• Strong focus on monitoring-driven operations, diagnostics, and forensics

Preferred experience and skills

• Databases
• Exposure to databases technologies (Oracle, MySQL, PostgreSQL)
• Experience with installation, configuration and troubleshooting of DBs
• Infrastructure & Platform Ecosystem
• Exposure to hardware lifecycle management (server, firmware updates, lifecycle planning)
• Experience with VMware-based virtual environments
• Familiarity with NetApp storage systems
• Security & Detection
• Experience with endpoint detection and protection tools:
• Trend Micro Deep Security, ClamAV, or equivalent
• Understanding of integrating security signals into monitoring/alerting pipelines
• Network & Platform Integration
• Basic operational knowledge of network/security platforms:
• Palo Alto, Check Point, F5, InfoBlox
• Ability to correlate infrastructure and network events for incident analysis
• Scripting & Automation
• Solid scripting skills in Bash and/or Python
• Ability to develop automation for monitoring, remediation, and reporting
• Vendor & Lifecycle Management
• Experience with vendor coordination, support processes, and licensing management
• Languages
• German is considered a plus