Business Analytics Sr Analyst - C12 - JACKSONVILLE

This individual will translate emerging risk patterns into measurable signals and deploy analytic solutions that enhance enterprise protection controls. This role will manage and execute fraud analytics and fraud detection strategies supporting Citi’s North American and global credit card and retail bank businesses. Responsibilities Design, develop, and optimize detection models addressing merchant impersonation, inauthentic entities, synthetic or coordinated activity, loyalty/rewards accrual and redemption anomalies, and promotion exploitation. Develop and refine both micro‑level and macro‑level portfolio‑wide anomaly detection, linkages, and behavioral anomalies. Apply graph/network analytics to identify collusion or coordinated abuse patterns. Own and optimize fraud rules, risk scores, and model thresholds. Monitor performance and iterate based on emerging patterns. Translate intelligence into scalable detection logic. Provide quantitative recommendations to enhance controls and reduce exposure. Partner with Fraud Strategy, Fraud Policy, Intelligence, and Product Teams. Prioritize and provide a clear line of sight to the most critical work to partners and team members. Mentor and coach junior team members. Qualifications Bachelor’s Degree required in statistics, mathematics, physics, economics, or other analytical or quantitative discipline. 3+ years experience in analytics and modeling or a related area. Extensive experience working with a big‑data environment and hands‑on coding experience within traditional (SAS, SQL, etc.) and/or open‑source tools (e.g., Python, Impala, Hive, etc.). Knowledge of traditional and advanced machine‑learning techniques and algorithms, such as Logistic Regression, Gradient Boosting, Random Forests, etc. Experience with data visualization tools, such as Tableau. Excellent quantitative and analytic skills; ability to derive patterns, trends and insights, and perform risk‑reward trade‑off analysis. Ability to build effective presentations to communicate analytical findings to a wide array of audiences. Effective cross‑functional project, resource, and stakeholder engagement and management with the ability to drive collaboration across teams. Ability to make decisions independently with minimal guidance from management. Other job‑related duties may be assigned as required. Location: Jacksonville, Florida, United States. Salary Range: $87,280 – $130,920 per year. Benefits include medical, dental, vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Paid time off, including vacation, sick leave, and paid holidays. For additional information regarding benefits, visit citibenefits.com. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity, review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster. #J-18808-Ljbffr Citigroup Inc.