Sr. Security Administrator

Sr. Security Administrator

Position Description
CGI Federal is seeking a Senior Security Administrator to support security operations, access management, monitoring, and maintenance of secure enterprise environments as part of a major federal modernization program. This role ensures compliance with federal security requirements, protects mission-critical systems, and provides oversight of security controls across cloud, development, testing, and operations workflows. The Senior Security Administrator works closely with Cyber Security, Cloud, DevSecOps, and Operations teams to maintain a stable, secure environment supporting high-availability mission systems.

Your future duties and responsibilities
Security Administration & Access Management

· Manage user accounts, permissions, role-based access controls (RBAC), and privileged access workflows

· Monitor authentication, authorization, and identity management systems

· Administer security groups, certificates, keys, and secure configuration standards

System Security Operations

· Support daily security operations including log review, event correlation, and system monitoring

· Assist in implementing secure configurations, patching, hardening, and remediation activities

· Collaborate with engineers to ensure configuration baselines meet security requirements

Incident Monitoring & Response Support

· Monitor security alerts, anomalies, and indicators of compromise

· Support incident response activities, including initial triage and data gathering

· Document incident actions and contribute to follow-up investigations

Compliance & Security Control Enforcement

· Ensure systems adhere to federal security standards and classified-environment requirements

· Support control validation, security audits, vulnerability scans, and remediation tracking

· Maintain security records, change logs, and configuration documentation

Cross-Team Collaboration

· Work directly with Cyber Security/ISSO, DevSecOps, Cloud Engineering, QA, and Operations teams

· Support integration of security controls into CI/CD pipelines and cloud deployments

· Provide guidance to engineers and staff on security practices and compliance expectations

Documentation & Reporting

· Maintain SOPs, access control documentation, change records, and system security artifacts

· Report security incidents, compliance posture, and risk findings to leadership

· Assist in preparing documentation required for audits, assessments, and operational reviews

Required qualifications to be successful in this role
· Must have an Active Top Secret Security Clearance

· U.S. Citizenship

· Bachelor’s degree and 8+ years of experience in system security administration or related IT security roles

· Experience managing access control systems, RBAC, authentication, and authorization services

· Strong understanding of secure system configuration, patching, and hardening

· Familiarity with log analysis, monitoring tools, and security alert triage

· Excellent communication, troubleshooting, and documentation skills

Preferred Qualifications

· Experience supporting federal programs or secure operational environments

· Familiarity with AWS cloud environments, cloud-security configurations, and identity services

· Experience with security automation, DevSecOps practices, or CI/CD pipeline security

· Security certifications such as Security+, CySA+, CASP+, or similar

Due to the nature of this government contract, US Citizenship is required.

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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 View email address on clients.njoyn.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.

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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.