Security Engineer III, SIEM Engineer (Secret Clearance)

Job Summary

The Deloitte Cyber team supports businesses in navigating the evolving threat landscape through powerful solutions and managed services. We seek a SIEM Engineer to bolster security monitoring, detection engineering, and incident analysis in complex enterprise environments.

Responsibilities

• Configure, maintain, and optimize SIEM content including correlation rules, alerts, dashboards, and reports
• Analyze security events and log data to identify suspicious activity, support investigations, and improve detection coverage
• Integrate and normalize log sources from endpoint, network, cloud, identity, and security platforms
• Partner with cybersecurity teams to support use case development, threat detection, incident triage, and response activities
• Document detection logic, operational procedures, and monitoring requirements to support consistent service delivery

Qualifications

• Bachelor's degree in computer science, Cybersecurity, Information Technology, Engineering, or a related technical field
• Active Secret Clearance
• 3+ years of experience in cybersecurity, security operations, or SIEM engineering
• 3+ years of experience with at least one of the following: Splunk, Palo Alto XSIAM, or CrowdStrike NG SIEM
• 2+ years' experience in creating, tuning, and maintaining correlation searches, alerts, dashboards, and reports in a Security Information and Event Management platform
• 2+ years' experience reviewing and analyzing logs from endpoint, network, cloud, identity, and application sources
• Experience supporting enterprise monitoring in a Security Operations Center
• Experience onboarding and normalizing log sources in a Security Information and Event Management platform
• Experience mapping detections to MITRE ATT&CK techniques
• Experience with cloud security monitoring in Amazon Web Services, Microsoft Azure, or Google Cloud Platform
• Hands-on experience with scripting or query languages used for detection and log analysis
• Security certification such as Splunk certification, Palo Alto Networks certification, or CrowdStrike certification is required