Citibank, N.A. seeks a Model/Analysis/Validation Senior Analyst for its Schaumburg, Illinois location.ResponsibilitiesDesign and implement machine learning models (XGBoost, LightGBM, Neural Networks) tailored for Citi Cards portfolios to improve credit decisions. Build algorithms that generate credit decline reasons based on model outputs. Develop frameworks for feature selections, capping/flooring logic and hyperparameter optimization to streamline modeling processes across teams. Experiment with statistical segmentation methods to group customers by risk profiles and behavioral patterns. Identify and engineer predictive variables that capture customer delinquency risk using automated feature importance techniques like LightGBM. Conduct data analysis using tools such as Python, SAS, SQL and Spark to assess model performance and identify risks. Create documentation for Model Risk Management (MRM), including rationale for model choices, adverse action logic, and model monitoring plans. Collaborate with Risk Policy and Governance teams to ensure models are integrated into decision strategies and meet compliance standards. A telecommuting/hybrid work schedule may be permitted within a commutable distance from the worksite, in accordance with Citi policies and protocols.RequirementsRequires a Master's degree, or foreign equivalent, in Information Technology and Management, Statistics, Mathematics, Data Science or related field and 3 years of experience as a Risk Policy Senior Analyst, Analyst-Data Services, Data Analyst or related position using quantitative and analytic skills to derive data patterns, trends and insights. Alternatively, employer will accept a Bachelor's degree in the stated fields and 5 years of progressively responsible, post-baccalauteate experience. 3 years of experience must include: data analysis to identify risks; data mining; using Python and SQL for data-driven analytics; implementation of robust data quality checks and reconciliation processes across large-scale datasets to ensure accuracy and consistency; and liaison with cross-functional business partners for production deployment. Applicants must submit resumes at and reference Job ID #26971143.BenefitsMedical, dental and vision coverage401(k)Life, accident and disability insuranceWellness programsPaid time off packages, including vacation, sick leave and holidaysWage Range: $142,210 to $142,210Job Family Group: Risk ManagementJob Family: Model Development and AnalyticsTime Type: Full timePrimary Location: Schaumburg, Illinois, United StatesCiti 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.#J-18808-Ljbffr