LINUX SYSTEM ADMINISTRATOR - BRUSSELS (BELGIUM) - PERMANENT POSITIONS
Job Description
We are seeking a skilled and dependable Linux System Administrator to join our IT infrastructure team. In this role, you will be responsible for managing, maintaining, and optimizing our Linux-based systems that support daily business operations and mission-critical services.
You will ensure system stability, performance, and security while providing hands-on support across physical, virtual, and cloud environments.
This position requires a strong technical foundation in Linux administration, a proactive approach to problem-solving, and the ability to collaborate with cross-functional teams such as DevOps, networking, security, and development.
You will play a key role in improving system reliability through automation, implementing best practices, and contributing to infrastructure enhancements as the organization grows. The ideal candidate is detail-oriented, committed to operational excellence, and eager to work in an environment where uptime, security, and scalability are top priorities.
Responsibilities
- Install, configure, and maintain Linux servers and system components across on-premise and cloud environments
- Perform system updates, patching, and security hardening to ensure compliance with standards and best practices
- Monitor system health, performance, and resource usage; respond to alerts and incidents promptly
- Troubleshoot complex hardware, software, and network problems
- Manage users, groups, permissions, and authentication systems (LDAP, Active Directory, SSH)
- Configure and support services such as DNS, DHCP, NFS, Apache/Nginx, Samba, SSH, and cron
- Maintain backup and restoration processes, disaster recovery plans, and high-availability configurations
- Automate routine tasks using Bash, Python, or other scripting languages
- Support infrastructure upgrades, migrations, and capacity planning initiatives
- Maintain accurate and detailed documentation for configurations, processes, and troubleshooting procedures
- Collaborate with DevOps, networking, and development teams to support application deployments and continuous improvement
- Ensure strong security posture through regular audits, patching, and system hardening
Required Qualifications
- 2-5+ years of experience as a Linux System Administrator or similar technical role
- Strong proficiency with Linux distributions such as RHEL, CentOS, Ubuntu, or Debian
- Solid command-line skills and understanding of Linux architecture, file systems, and package management
- Experience with virtualization technologies (VMware, KVM, Proxmox, etc.)
- Familiarity with cloud platforms (AWS, Azure, or GCP)
- Knowledge of networking fundamentals (TCP/IP, DNS, routing, firewalls)
- Experience with shell scripting (Bash) or additional languages like Python or Perl
- Understanding of system security practices, auditing, and hardening
- Experience with monitoring and logging tools (Nagios, Prometheus, Grafana, ELK stack, etc.)
The Offer:
- A permanent, full-time employment contract
- A salary & benefits package commensurate with experience
Please send over your CV to tom.walker@vividresourcing.com or call me on +32 (0) 3 318 00 74. As always, we are open to recommendations, so please feel free to pass this on to other suitable candidates.
