Senior Cloud Security Architect * @ CGI

Position Description:CGI is seeking a Senior Cloud Security Architect to lead security architecture and threat modeling for complex enterprise applications, with a strong focus on AI and agentic AI solutions. This role will evaluate applications, APIs, cloud platforms, SaaS solutions, and distributed systems to identify security risks and define effective controls.Your future duties and responsibilities:The architect will work with product owners, enterprise architecture, engineering, and security teams to protect sensitive data, strengthen identity and access controls, secure cloud environments, and support compliance with enterprise policies and industry standards. The role requires strong AWS expertise and the ability to lead multiple security initiatives across IaaS, SaaS, and internally developed applications. Required qualifications to be successful in this role:Extensive experience with security architecture and threat modeling for complex enterprise applicationsStrong knowledge of STRIDE, attack trees, abuse cases, data flow analysis, and trust boundary analysisHands on experience evaluating security risks in AI, machine learning, and agentic AI applicationsAdvanced AWS knowledge across IAM, networking, compute, storage, RDS, messaging, serverless, ECS/EKS, CI/CD, and AI/ML servicesStrong understanding of application security, API security, IAM, authentication, authorization, encryption, key management, and data protectionExperience translating identified threats into practical security controls and remediation recommendationsKnowledge of DevSecOps, pipeline security, container security, infrastructure security, SIEM, CSPM, and CWPP solutionsFamiliarity with security frameworks and standards such as NIST, OWASP, CIS, FedRAMP, ISO, and SOXExperience with resilient, highly available, API driven, stateless, and integrated cloud or SaaS environmentsAbility to lead multiple initiatives and communicate effectively with technical and business stakeholdersEducational Requirements:Bachelor's degree in Computer Science, Information Systems, Cybersecurity, or a related fieldPreferred certifications include CISSP, CCSP, AWS Professional or Specialty certifications, or equivalent credentialsSkills:Amazon Web Services CloudDevOps SecuritySecurity ArchitectureCommunication