Security Engineer III

Position Security Engineer III – Permanent Full Time Location Washington, District of Columbia, United States (Office in Fairfax, VA or Lafayette, LA; hybrid model acceptable) Job 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. Key Responsibilities 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. Required Qualifications 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 CISSP or Security+ certification. Experience with secure engineering for AI or modern application stacks. Compensation Range $127,500 – $276,200. Benefits 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 EEO Statement 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, gender identity and 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. Accommodation Statement 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 click.appcast.io. 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 that 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. Background Check 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 depending on specific assignment and/or level of U.S. government security clearance held. 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. #J-18808-Ljbffr