Sr. SIEM Engineer

Company: CGI
Location: Washington
Posted on: April 6, 2026

Job Description:

U.S. - What we do matters By playing this video you consent to Google/YouTube processing your data and using cookies – Learn more . 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 security events across classified environments to identify potential threats, vulnerabilities, and anomalous activity. Work closely with cybersecurity, network, and systems teams to configure log ingestion, develop detection use cases, tune alerts, and support incident response and forensic investigations. Support system authorization and continuous monitoring activities, maintain SIEM documentation, and ensure security monitoring solutions align with federal standards and mission requirements. Lead SIEM strategy workshops, roadmap development, and stakeholder presentations. Architect log ingestion pipelines, develop correlation rules, dashboards, and KPIs. Align monitoring to NIST SP 800-53 and ISCM requirements. Extend SIEM coverage to AWS/Azure/GCP and integrate SIEM with SOAR to automate enrichment. Establish content lifecycle governance and mentor junior staff. Required qualifications to be successful in this role: Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or a related field. Active Top Secret clearance with SCI eligibility. Minimum of seven (7) years in security engineering with four (4) years in SIEM; expertise in Splunk/Elastic/Sentinel. One or more of the following certifications: Security (or equivalent DoD 8570 IAT Level II) AWS Certified Security - Specialty Certified Cloud Security Professional (CCSP) Certified Information Systems Security Professional (CISSP) Desired: Master’s degree in Computer Science, Cybersecurity, Information Technology, or a related field (or equivalent experience). Experience in federal government or diplomatic environment at the department level or experience supporting classified environments within federal law enforcement or Intelligence Community organizations. Experience integrating SIEM with IDS, firewalls, and endpoint security tools. Experience with SIEM in hybrid/zero-trust architectures. Knowledge of NIST cybersecurity frameworks (800-53, 800-171, 800-190). Additional cloud security certifications (AWS, Azure, GCP). CGIFederalJob LI-DD1 What you can expect from us: Together, as owners, let’s turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction. Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team—one of the largest IT and business consulting services firms in the world. Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business. CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at US_Employment_Compliance@cgi.com . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned. We make it easy to translate military experience and skills! Click here to be directed to our site that is dedicated to veterans and transitioning service members. All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances. CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.

Keywords: CGI, Baltimore , Sr. SIEM Engineer, IT / Software / Systems , Washington, Maryland