System Administrator

Prosource is seeking an experienced Senior system Administrator Linux to join one of its clients based in Wallonia.

The client is a fast-growing tech company specializing in secure document solutions and digital process automation. You will be part of a multidisciplinary IT team and play a key role in maintaining and evolving a modern infrastructure.

Responsibilities

• Install, configure, and maintain Linux systems and related services.
• Monitor system performance, ensure security, and guarantee high availability.
• Automate tasks using scripting and orchestration tools (Ansible, Docker, Kubernetes).
• Contribute to the design and documentation of technical architectures.
• Collaborate with cross-functional IT teams and provide expert-level support.
• Integrate DevOps and security best practices throughout the infrastructure lifecycle.
• Stay up to date with technological trends and propose continuous improvements.

Profile

• 5+ years of experience in Linux system administration (Debian/Ubuntu).
• Strong skills in Bash, Apache, PHP-FPM, RabbitMQ, Elasticsearch, Docker, Kubernetes, MinIO.
• Knowledge of virtualization (VMWare, Nutanix), networking, monitoring (Nagios), reverse proxy (Traefik).
• Team player with strong communication and problem-solving skills.
• Bonus: Windows Server, Azure, MariaDB Galera, Terraform, firewalling.
• Languages: French (fluent), English (technical proficiency).

What’s in It for You?

• Start Date: ASAP
• Contract Type: Freelance or Consultancy
• Location: Brussels
• A dynamic and challenging work environment with opportunities for knowledge sharing and mentorship.
• Career growth potential in freelance and consultancy project management, with options to transition into coaching or training roles