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The SIEM Application Engineer is responsible for the design, deployment, management, and optimisation of Security Information and Event Management (SIEM) platforms to enhance threat detection, monitoring, and incident response capabilities across enterprise environments. This role focuses on building and maintaining scalable SIEM solutions—primarily leveraging Elasticsearch-based technologies—to support security operations, regulatory compliance, and continuous improvement of organisational security posture.
Job Responsibility:
Design and implement SIEM solutions in collaboration with security analysts and architects
Develop, optimise, and maintain detection rules, alerts, and dashboards to improve threat visibility
Support the full SIEM lifecycle, including development, deployment, and ongoing optimisation
Work effectively with cross-functional security and engineering teams
Produce clear technical documentation and present solutions to both technical and non-technical stakeholders
Develop efficient queries to extract and analyse security events
Monitor SIEM platform health and performance, addressing scalability and efficiency issues
Optimise data ingestion pipelines and indexing strategies
Contribute to security engineering initiatives, platform transitions, and transformation projects
Integrate SIEM with security operations and incident response tooling
Stay current with emerging threats, attack techniques, and security best practices
Requirements:
Strong experience configuring and operating SIEM platforms (Elasticsearch-based solutions preferred)
Ability to create, test, and optimise detection rules aligned to the MITRE ATT&CK framework
Experience improving detection fidelity while reducing false positives
Hands-on experience with Elasticsearch query optimisation, indexing, and mappings
Performance tuning of Elasticsearch and Logstash pipelines
Experience using Kibana for dashboards, visualisations, and operational monitoring
Implementation of access controls, authentication, and encryption within SIEM platforms
Understanding of security policy, governance, and regulatory frameworks
Experience supporting compliance with data protection and security standards
Bachelor’s or Master’s degree in Computer Science, Engineering, Information Systems, or a related field (or equivalent experience)
5+ years’ experience delivering cybersecurity or security engineering solutions
Broad experience across enterprise security controls such as SIEM, vulnerability management, access management, and monitoring platforms, ideally from both development and operational perspectives
Nice to have:
Experience with the Elastic Stack (ELK) in enterprise environments
Knowledge of offensive security frameworks and adversary techniques
Experience with cloud platforms (public or private), containerisation, and orchestration (e.g. Kubernetes)
Familiarity with DevOps practices, Git, and CI/CD pipelines