Senior Quantitative Analyst

Chicago White Sox • Chicago, IL

60d • $90,000 - $100,000

About The Position

The Chicago White Sox is seeking a Senior Quantitative Analyst with exceptional statistical expertise to enhance model development for our growing Research & Development team. You'll design and deploy sophisticated models that inform critical decisions across player evaluation, development, and strategy—while mentoring other analysts in advanced statistical methods and best practices.

Requirements

• Bachelor's degree in Statistics, Mathematics, Computer Science, or related quantitative field
• 3-5 years building and deploying predictive models in industry or advanced graduate training
• High proficiency in R or Python and SQL
• Deep expertise in Bayesian statistics with hands-on experience building custom Bayesian models
• Strong experience with probabilistic programming languages (Stan, PyMC, JAGS, or similar)
• Familiarity with machine learning methods (regression, classification, ensemble methods, neural networks), causal inference approaches, and core algorithms for optimization and model fitting
• Experience with version control (Git) and building production model pipelines
• Strong analytical and problem-solving skills with attention to statistical rigor
• Excellent communication skills for both technical and non-technical audiences
• Ability to work independently on long-term projects and manage multiple priorities
• Passion for mentoring and elevating team capabilities

Nice To Haves

• Graduate degree (M.S. or Ph.D.) in Statistics or related quantitative field
• 5+ years of experience building models in industry or relevant field
• Knowledge of current baseball research and sabermetrics

Responsibilities

• Design, build, and deploy production-grade statistical models for player forecasting, evaluation, and strategic decision-making
• Own modeling projects end-to-end: research question formulation, statistical design, implementation, validation, and deployment
• Adhere to statistical best practices, coding standards, and reusable modeling infrastructure for the team
• Mentor junior analysts in advanced statistical techniques, experimental design, and model development workflows through code reviews and technical workshops
• Translate complex statistical findings into actionable insights for coaches, scouts, and front office executives

Benefits

• Health
• Dental
• Life
• AD&D
• LTD
• Defined Benefit Plan (Major League Baseball Pension for Non-Uniformed Personnel)
• Voluntary Supplemental Life
• Voluntary Supplemental AD&D
• Voluntary Vision
• Voluntary Pet Insurance
• Voluntary 401(k)
• Voluntary Flex Benefits (FSA, Transportation, Dependent Care)
• Complimentary White Sox Tickets
• Complimentary Lunch
• Holiday Break
• Promotional Items

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level