Senior Cyber Security / Information System Security Officer (ISSO)

CGI

$110K — $130K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active Top Secret Security Clearance
  • Bachelor's degree with 8+ years in cybersecurity or related field
  • Deep knowledge of federal security frameworks and compliance
  • Experience with vulnerability scanning and remediation
  • Proficiency in identity/access management and security auditing
  • Excellent communication skills for technical collaboration

Responsibilities

  • Implement and enforce federal security policies and standards
  • Maintain vital security documentation for compliance
  • Guide teams on secure architectures and system hardening
  • Monitor and validate security controls throughout environments
  • Work closely with various teams to provide security guidance
  • Coordinate risk mitigation strategies and incident response efforts
  • Generate audits and compliance reports on security posture

Benefits

  • Full-time employment status
  • Opportunities to work on major federal modernization projects
  • Engagement in a team-oriented, collaborative environment
  • Exposure to advanced cloud technologies and DevSecOps practices
Full Job Description
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Senior Cyber Security / Information System Security Officer (ISSO)

Category: Cyber Security

Main location: United States, Alabama, Huntsville

Position ID:J0926-0728

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.

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

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.

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#LI-DD1
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