> Markdown version of [/jobs/ext/4266356-security-engineer-iii](https://www.wearedevelopers.com/jobs/ext/4266356-security-engineer-iii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Security Engineer III - **Company:** CGI Group - **Location:** Lafayette, LA, United States - **Experience:** Expert - **Salary:** $114,800.0 - $251,100.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Application Integration Architecture, User Authentication, Cloud Computing Security, Cyber Security, Identity and Access Management, Information Systems Security Architecture Professional, Zero Trust Network Access, Software Vulnerability Management, Working Model 2D, HybridCloud, Enterprise Integration, Devsecops - **Published:** October 7, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=581fcd82214d89a4 ## About the Role Bachelor's degree in Cybersecurity, Information Systems, Computer Science, or related field. 9+ years relevant experience. Experience with automation tools, cloud security tooling, and Zero Trust patterns. Knowledge of NIST SP 800 207 Desired qualifications/non essential skills required: CISSP or Security+ certification. Experience with secure engineering for AI or modern application stacks., * Enterprise risk management * Identity and access mgt (IAM) * Cloud architecture * DevOps * Integration architecture * Security Certification ## Description The Security Engineer III is the enterprise technical authority for advanced cybersecurity engineering, Zero Trust architecture design, and security modernization efforts across Treasury's hybrid cloud ecosystem. This role leads transformative engineering initiatives to implement secure architectures, automate security controls, and strengthen Treasury's cyber resilience. This position is located in our Lafayette, Louisiana office; however, a hybrid working model is acceptable., Design, deploy, and optimize security architectures supporting cloud, hybrid, and on premise environments. Implement secure configurations, baselines, and automated security controls. Lead engineering support for identity management, authentication, and access control modernization. Implement DevSecOps security enhancements and secure integration pipelines. Support application hardening, vulnerability remediation, and secure API integrations. Implement emerging protections including those for AI enabled applications and services.