Security Engineer III, SIEM Engineer (Secret Clearance)

About the role

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
• 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 degree in 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 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
• Security certification such as Splunk certification, Palo Alto Networks certification, or CrowdStrike certification is required
• Ability to travel up to 20%, on average, based on the work you do and the clients and industries/sectors you serve
• Must be willing to work at client onsite or Deloitte office for up to 5 days a week
• Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future

Preferred

• 2+ years' experience:
  • Supporting enterprise monitoring in a Security Operations Center
  • Onboarding and normalizing log sources in a Security Information and Event Management platform
  • Mapping detections to MITRE ATT&CK techniques
  • 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 CompTIA Security+, or GIAC certification

Pay

The disclosed range estimate is $102,500–$188,900. You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance.