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Security Engineer
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-10-13
Listing for:
VIQU IT
Full Time
position Listed on 2026-10-13
Job specializations:
-
IT/Tech
Cybersecurity, Systems Engineer -
Engineering
Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Security Engineer – SIEM / QRadar – 6-month contract – London/remote
Overview
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
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.
Essential Skills & Experience from the Security Engineer
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.
Desirable Skills from the Security Engineer
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.
The Security Engineer is required 1 day a week onsite in Central London.
Apply now to speak with VIQU IT in confidence. Or reach out to Connor Smal via the VIQU IT website.
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