Technical Secuirty Specilaist - Detection Engineer (SIEM)

Contract Type:

Permanent

Location:

Dublin   

Contact Name:

Ian Donnelly

Contact Email:

i.donnelly@masonalexander.ie

Date Published:

10-Apr-2025

We are looking for a Senior Technical Specialist  to join our Clients Endpoint Security Team as a Detection Engineer, focusing on SIEM management, log source onboarding, and improving our security monitoring capabilities. You'll be a critical part of their global SOC, helping to detect adversarial behaviour and strengthen our defensive posture.

You'll report to the Endpoint Security Manager and work closely with Security Operations and Threat Engineering, supporting the Endpoint Security strategy across antivirus, EDR, SIEM, PAM, and more.

 Responsibilities:

  • Serve as SME for SIEM platforms (e.g., Trellix, Sentinel, Splunk, QRadar).
  • Onboard log sources and optimise SIEM performance.
  • Develop high-fidelity detection rules and use cases.
  • Support incident response and critical incident management.
  • Collaborate across teams to integrate log sources and enhance SOC processes.
  • Mentor junior team members and create technical documentation.
  • Ensure alignment with frameworks like MITRE ATT&CK, ISO 27001, NIST, and GDPR.

Requirements:

  • 5+ years in security roles; 10+ years in IT.
  • Experience with cloud platforms(Azure, AWS, GCP), EDR, PAM, and database security.
  • Scripting skills (Python, PowerShell, JavaScript).
  • Strong troubleshooting abilities and leadership in technical problem-solving.
  • Relevant certifications (CISSP, Security+, SIEM-related certs) are a plus.

Benefits:

  • Competitive salary & bonus.
  • Excellent pension plan.
  • Robust learning & development support.
  • Comprehensive health & wellbeing programs.
  • Hybrid work model.
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