Medior System Engineer – Elastic Security / SIEM - JP053874

Job description

Medior System Engineer – Elastic Security / SIEM Brussels, Belgium (Hybrid): Contract: Full-time: We're looking for a Medior System Engineer with strong Elastic Security / SIEM expertise to support a large-scale security environment. Key Responsibilities: Design, deploy, and maintain ELK stack (Elasticsearch, Kibana, Logstash, Elastic Security, Elastic Defend) Manage Elastic Agents & Fleet architecture (policies, integrations, large-scale deployment) Build and optimize log ingestion pipelines (Kafka, security tools like Firewall, WAF, IAM, IDS/IPS) Normalize data using Elastic Common Schema (ECS) Configure and enhance SIEM use cases, alerts, and dashboards Support endpoint security and behavioral analysis (Elastic Defend) Collaborate with teams and provide documentation & knowledge transfer Requirements: Proven experience with Elastic Stack (ELK) , especially Elastic Security (v9.x) Strong understanding of SIEM, cybersecurity, and log management Experience with Fleet, Elastic Agents, and ingestion architecture Familiarity with Linux & Windows environments Knowledge of Kafka is a plus Working proficiency in English , fluent French Nice to Have: Exposure to Ansible or automation tool...