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Senior Cyber Security / Information System Security Officer (ISSO)

Category: Cyber Security

Main location: United States, Alabama, Huntsville

Position ID:J0926-2625

Employment Type: Full Time

Position Description:

CGI Federal is seeking a Senior Cyber Security / Information System Security Officer (ISSO) to provide advanced security oversight, compliance monitoring, and protection of mission critical systems within a major federal modernization program. The Senior ISSO ensures all systems, applications, data flows, and development environments adhere to federal security policies, controls, accreditation requirements, and continuous monitoring standards. This role partners with engineering, cloud, DevSecOps, QA, and operations teams to ensure security is embedded across all phases of delivery.
This position is located in Huntsville, AL.

Your future duties and responsibilities:

Security Governance & Compliance
• Implement and enforce federal security policies, controls, standards, and procedures
• Maintain security documentation including SSPs, POA&Ms, security checklists, and control evidence
• Support continuous monitoring activities, vulnerability scanning, and remediation tracking
• Ensure systems, applications, and cloud environments remain compliant with applicable frameworks
System Security Oversight
• Guide teams on secure architectures, data handling requirements, and system hardening
• Validate security controls across development, testing, migration, and operational environments
• Monitor audit logs, access controls, authentication mechanisms, and system configurations
• Support accreditation processes, assessments, and readiness activities
Collaboration & Advisory Support
• Work closely with engineers, cloud teams, DevSecOps, QA automation, data migration, and product leads
• Provide security requirements, design guidance, and risk advisories during planning and development
• Participate in sprint ceremonies, technical reviews, and release readiness cycles
• Communicate risks, incidents, and mitigation strategies to leadership
Risk Management & Incident Support
• Identify security risks and coordinate mitigation strategies across teams
• Support incident response activities, root cause analysis, and corrective action tracking
• Lead remediation efforts for findings from scans, audits, or assessments
Documentation & Reporting
• Maintain accurate and current security documentation for audits, accreditation, and compliance
• Generate reports summarizing vulnerabilities, remediation status, and security posture
• Support program leadership with security metrics, dashboards, and risk summaries

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 cybersecurity, ISSO support, or security engineering
• Strong understanding of federal security frameworks and compliance requirements
• Experience performing vulnerability scanning, interpreting findings, and driving remediation
• Proficiency with identity/access management, system hardening, logging, and auditing
• Strong communication skills for partnering with technical teams and leadership
Desired qualifications/non essential skills required:
Preferred Qualifications
• Experience supporting federal modernization or national security programs
• Familiarity with cloud environments (AWS strongly preferred)
• Experience with DevSecOps practices, CI/CD pipeline security, and automated scanning
• Security certifications such as CISSP, CISM, Security+, or similar
Due to the nature of this government contract, US Citizenship is required.
CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $79,600.00 $176,300.00.
CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:
. Competitive compensation
. Comprehensive insurance options
. Matching contributions through the 401(k) plan and the share purchase plan
. Paid time off for vacation, holidays, and sick time
. Paid parental leave
. Learning opportunities and tuition assistance
. Wellness and Well being programs
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Skills:

• Computer security
• Cyber
• IT Security
• Security Analysis
• Security Architecture