Security Control Assessor III

Job order - J0626-1756 - Permanent Full Time Title Security Control Assessor III Category Cyber Security City Washington, District of Columbia, United States Job Description The Security Control Assessor III is the senior authority for complex security assessments across Treasury systems, providing independent evaluation of NIST SP 800-53 control implementations and authoritative risk determinations for Authorizing Officials. This role ensures rigorous assessment quality, FedRAMP/Cloud evaluation expertise, and high impact analysis for system authorization and enterprise compliance. The position is located in Fairfax, VA, Lafayette, LA, or Knoxville, TN office, with a hybrid working model acceptable. Responsibilities Lead comprehensive control testing, including cloud, hybrid, and classified system assessments. Develop SAPs, assess security controls, validate control inheritance, and produce SARs. Conduct HVA assessments and support DHS/OMB compliance. Evaluate AI models for algorithmic bias, adversarial vulnerabilities, and explainability. Validate remediation effectiveness and POA&M closure accuracy. Support ATO packages with documented risk findings and recommendations. Provide independent verification of security engineering outcomes. Education & Experience Bachelor's degree in Cybersecurity or a related field. 9+ years of security control assessment experience. Experience with NIST SP 800-115, MITRE ATT&CK, CNSSI 1253. Desired Qualifications CAP or CISSP certification. Experience supporting FedRAMP High, HVA, or national security systems. Familiarity with AI testing and red teaming. Compensation Compensation range for this role in the U.S. is $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. Equal Employment Opportunity Qualified applicants will receive consideration for employment without regard to 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 other legally protected status or characteristics to the extent required by applicable federal, state, and local laws. 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, referencing the Position ID. This email address is only for those individuals who need an accommodation to apply for a job. Emails for any other reason or those not including a Position ID will not be returned. #J-18808-Ljbffr CGI Njoyn