Site Reliability Engineer 

For a client, we are seeking a Site Reliability Engineer. The position is set to start on 03/08/2026 and will conclude on 31/12/2026, with a deadline for applications on 10/07/2026. The role requires a physical presence on-site for 2 days per week in Brussels.

Responsibilities:

• Ensure the reliability, scalability, monitoring, and performance of on-premises services.
• Design and implement best practices for infrastructure management.
• Collaborate with cross-functional teams to enhance systems and processes.
• Design and maintain monitoring infrastructure.
• Create custom dashboards, alerts, and visualization solutions.
• Implement distributed tracing and log aggregation systems.
• Establish monitoring best practices and SLI/SLO frameworks.
• Maintain security compliance for on-premises monitoring tools.
• Automate deployment and configuration management.
• Collaborate with development teams on application instrumentation.
• Participate in on-duty rotations for 24/7 incident support.

Requirements:

• Core Technologies: Advanced knowledge of Grafana, Prometheus (PromQL), OpenTelemetry, Elasticsearch.
• Infrastructure: Strong experience in Linux administration, networking, and on-premises security.
• Programming: Proficiency in Python, Bash, or Go for automation.
• Experience: 3+ years in monitoring/observability, 2+ years with Grafana/Prometheus in production, strong Linux system administration experience, proven track record with on-premises infrastructure solutions.
• Security: Understanding of enterprise security practices and compliance requirements.
• Ability to balance technical trade-offs with business needs and prioritize effectively.

Key Deliverables:

• Reduced Mean Time to Detect (MTTD) and Mean Time to Repair (MTTR) through effective monitoring.
• Comprehensive observability across all systems.
• Automated monitoring, deployment, and management.
• Security-compliant monitoring practices.

Languages:

• English (C1 level).
• Additional languages: German, French, or Dutch are a plus.

This is a full-time position based in Brussels.