Lorien
SIEM Engineer (SC Cleared)
SIEM Engineer (SC Cleared) at Lorien, based in Reading, South East England. This is a permanent role.
- Pay
- Not given by the employer
- Hours and contract
- Permanent · On site
- Location
- Reading, South East England
- Closing date
- Sector
- IT & Software
Reference 57415564
About the role
Job Title: SIEM Engineer (SC Cleared)
Location: Reading/Havant
Duration:6 months
Description:
- Lead onboarding and integration of log sources into Microsoft Sentinel to ensure complete and reliable security telemetry
- Develop custom parsers and data transformations to normalise and enrich ingested data
- Design and optimise KQL queries to support effective threat detection and investigation
- Create and maintain analytic rules and detection logic aligned to emerging threats and business use cases
- Develop Logic Apps and SOAR workflows to automate response and reduce manual effort
- Implement CI/CD pipelines (Azure DevOps/Git) to support controlled deployment of SIEM content (rules, parsers, playbooks)
- Automate deployment and configuration across environments to improve consistency and speed of delivery
- Perform ongoing tuning and optimisation of detections to improve fidelity and reduce false positives
Guidant, Carbon60, Lorien & SRG - The Vertage Group Portfolio are acting as an Employment Business in relation to this vacancy.
Reference: 57415564 · Posted 13 minutes ago · Closes 13 Nov 2026 · Listed via Lorien
Apply for this job
This role is listed via Lorien. Applications are handled on the employer's site.
Apply on employer siteOpens the employer's website in a new tab.
Signed in? Every job you apply for counts toward your weekly goal and badges. How it works
Safe applying: a genuine employer will never ask you to pay for a DBS check, training or equipment, or move you onto WhatsApp before you are hired. If this listing does, report it and do not pay anything.