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Model/Analysis/Validation Senior Analyst

United States, Schaumburg Employment contract 142210.00 USD / Year · Job Posted July 03, 2026
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Job Description

Citibank, N.A. seeks a Model/Analysis/Validation Senior Analyst for its Schaumburg, Illinois location.

Job Responsibility

  • Design 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 modelling 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 like Python, SAS, SQL and Spark to access 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

Requirements

  • 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-baccalaureate 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 Liaising with cross-functional business partners including business, into production deployment

What we offer

  • medical, dental & vision coverage
  • 401(k)
  • life, accident, and disability insurance
  • wellness programs
  • planned time off (vacation)
  • unplanned time off (sick leave)
  • paid holidays

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