Senior SIEM Engineer

3 weeks ago


United Kingdom RiverSafe Full time

The Role We are seeking a highly skilled Senior SIEM Engineer / Consultant with deep expertise in custom log onboarding, complex parsing and advanced SIEM integrations. The ideal candidate has strong hands-on experience with Micro Focus ArcSight, Logstash and modern log processing pipelines. This role focuses on designing, implementing and optimising customised data ingestion workflows to ensure high-fidelity security monitoring across diverse environments. Skills Experience with Micro Focus ArcSight (SmartConnectors, FlexConnectors, ESM, Logger). Familarity with Logstash and custom log processing pipelines. Proficiency with regex, Grok, JSON/XML parsing and custom transformation logic. Strong understanding of SIEM ingestion flows, event taxonomies and enrichment processes. Experience integrating with enterprise platforms (firewalls, IDS/IPS, cloud services, servers, custom applications). Proficiency in scripting languages (Python, Bash, PowerShell). Solid knowledge of network protocols, logging standards and security event semantics.



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