Security Engineer III

Job Summary

Deloitte's Cyber Defense and Resilience offering is seeking a SIEM Engineer to support security monitoring, detection engineering, and incident analysis across complex enterprise environments. This role will focus on building and optimizing SIEM content, improving alert fidelity, and helping clients strengthen cyber defense capabilities.

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
• Partners 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 degree in related technical field
• 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
• Security certification such as Splunk certification, Palo Alto Networks certification, or CrowdStrike certification is required
• 2+ years' experience in the following areas: creating, tuning, and maintaining correlation searches, alerts, dashboards, and reports in a Security Information and Event Management platform
• Reviewing and analyzing logs from endpoint, network, cloud, identity, and application sources
• Active Secret clearance or higher