Sr. SIEM Engineer

CGI

📍 United States, Washington, United States

Full Time Computer Occupations Posted February 17, 2026

Job Description

Position Description:

CGI Federal is a leader in providing IT and cybersecurity solutions, dedicated to supporting mission-critical defense and intelligence initiatives. We are committed to enhancing national security through innovative technology and expert collaboration.
As a Senior Consultant in CGI Federal's cyber practice, you will lead the design, implementation, and continuous improvement of SIEM capabilities for a federal law enforcement agency’s classified environment. This role combines hands-on SIEM engineering with client-facing consulting, translating mission risk into actionable detections, mentoring junior engineers/analysts, and advising stakeholders on monitoring strategy, metrics, and governance.

Your future duties and responsibilities:

Design, implement, and support SIEM capabilities for a federal law enforcement agency’s classified data processing systems directorate.
Monitor, analyze, and correlate securi...