Senior Info Security Engineering Analyst - SIEM Engineer
Optum Philippines • muntinlupa, metro manila • Posted June 25, 2026
About the Role
SIEM Engineer – Design, implement, and manage enterprise security monitoring solutions.
Primary Responsibilities
- Design, deploy, and maintain SIEM platforms including Microsoft Sentinel, CrowdStrike and Splunk
- Develop and optimize use cases, detection rules, dashboards, and alerts
- Integrate multiple log sources (cloud, on-prem, applications, endpoints) into SIEM
- Perform security incident triage, investigation, and response
- Leverage CrowdStrike for endpoint detection and response (EDR) and threat hunting
- Tune SIEM and EDR solutions to reduce false positives and improve detection accuracy
- Conduct threat hunting activities using telemetry from SIEM and EDR tools
- Work closely with SOC teams to support incident handling and escalation
- Perform log analysis and correlation to identify potential security threats
- Implement automation using playbooks, SOAR, or scripting (PowerS...