Job description
Project overview
Security Engineer - SIEM/QRadar - 6-month contract - London/remote
My Client is seeking a hands-on Security Engineer to own and optimise SIEM rules, alert tuning and log aggregation, primarily within IBM QRadar. The role will focus on improving threat detection and ensuring high-quality security logs are available to a third-party SOC. There may also be an opportunity to support a future migration to Splunk.
Key Responsibilities of the Security Engineer
Essential Skills & Experience from the Security Engineer
Desirable Skills from the Security Engineer
The Security Engineer is required 1 day a week onsite in Central London.
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- Own, maintain and tune IBM QRadar SIEM rules, correlation logic and alerts.
- Review and optimise detection use cases to improve threat visibility and reduce false positives.
- Configure and maintain log collection, parsing, normalisation and aggregation.
- Support log aggregation using Fluentd, Cribl or similar technologies.
- Ensure relevant security logs are accurately ingested and available to the third-party SOC.
- Troubleshoot log ingestion, parsing and SIEM detection issues.
- Identify opportunities to improve SIEM coverage, logging quality and detection capabilities.
- Support planning and potential migration from QRadar to Splunk.
- Strong hands-on experience with IBM QRadar SIEM.
- Experience developing, maintaining and tuning SIEM rules and correlation searches.
- Good understanding of security logging, log sources and event normalisation.
- Experience with log aggregation and forwarding technologies.
- Experience working with SOC teams and supporting security monitoring operations.
- Experience with Fluentd, Cribl or Fluent Bit.
- Exposure to Splunk SIEM and migration projects.
- Scripting experience using Python, Bash or similar.
- Experience onboarding new log sources and troubleshooting ingestion pipelines.
Project details
- Start: flexible
- Location: London, UK, GB
- Rate: 69-81 EUR/h
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