Senior Linux System Engineer NL or FR

Your Responsibilities

• Install, configure, maintain, and upgrade Linux servers and operating systems.
• Manage and support Red Hat, CentOS, and Fedora environments.
• Perform operating system updates, patching, and lifecycle management.
• Monitor system performance, availability, and capacity.
• Investigate and resolve infrastructure incidents and technical issues.
• Support software deployments and upgrades in production environments.
• Maintain and improve system documentation and operational procedures.
• Manage virtualized environments using VMware technologies.
• Provide second-line technical support for servers and infrastructure components.
• Participate in production releases, maintenance windows, and go-live activities.
• Manage user access, permissions, and system security settings.
• Support backup, recovery, and disaster recovery procedures.
• Proactively identify security risks and recommend mitigation actions.
• Collaborate with application, infrastructure, and support teams to ensure stable operations.

• Strong experience with Linux administration, preferably Red Hat, CentOS, and Fedora.
• Good knowledge of system hardening and IT security best practices.
• Experience with server patching and maintenance.
• Good understanding of networking concepts, including:
  • TCP/IP
  • DNS
  • VPN
  • Firewalls
  • Routing and switching
• Experience with monitoring tools and infrastructure troubleshooting.
• Knowledge of VMware ESXi and vCenter.
• Experience supporting enterprise server environments.
• Familiarity with scripting using Bash, Python, or similar technologies.

• Experience with Nagios or Zabbix.
• Knowledge of databases.
• Experience with Git.
• Understanding of application hosting environments.
• Experience working in highly available or critical production environments.

• Bachelor’s or Master’s degree in IT, Computer Science, Engineering, or a related field.
• Minimum 5 years of experience as a Linux System Administrator or Infrastructure Engineer.
• Experience managing enterprise Linux environments.
• Experience working with security, patch management, and system monitoring.

We are looking for someone who:

• Works in a structured and accurate manner.
• Pays attention to detail.
• Has strong troubleshooting and analytical skills.
• Is proactive and solution-oriented.
• Communicates clearly with both technical and non-technical stakeholders.
• Works effectively both independently and within a team.
• Maintains high-quality documentation.
• Remains calm under pressure.
• Demonstrates a strong sense of ownership and responsibility.
• Is customer-focused and service-minded.

• Occasional evening, night, or weekend work may be required during maintenance activities or major releases.
• Limited travel within Belgium may be requested.
• The role combines operational support, infrastructure management, and security responsibilities.