Information Security

Senior SIEM Engineer

Adecco

London · Greater London · United Kingdom

Overview

In this role you will strengthen and optimize a large-scale security monitoring platform. You will align SIEM capabilities with the security team's needs and collaborate with Operations to improve detection and response. You will drive log ingestion, threat detection, and dashboard enhancements while supporting automation and performance tuning. This position offers the opportunity to shape security monitoring practices within a technology-focused environment. You will work closely with cross-functional teams to deliver reliable, scalable security instrumentation.

Responsibilities
  • Develop and optimise SIEM solutions
  • Build and manage log ingestion pipelines
  • Enhance threat detection, alerts and dashboards
  • Support platform automation and performance tuning
  • Work closely with Security Operations teams
Key requirements
  • SIEM Engineering / Security Monitoring
  • Elasticsearch, Logstash, Kibana (ELK)
  • Kafka
  • Kubernetes
  • Scripting & Automation
  • Ansible, Helm, ArgoCD or GitLab CI/CD
  • Strong troubleshooting and analytical skills
  • Elasticsearch
  • Logstash
  • Kibana (ELK)
  • Kafka
  • Kubernetes
  • Scripting & Automation

Reference: WJ-747_31235239 · Posted 05 Nov 2026

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