Quantitative Research Intern — Hybrid Data & Modeling

Morningstar Credit Ratings, LLC; Chicago (IL); On-site; USD 60,890,000 - 82,380,000; Part time

Benefits offered by this job

401k match up to 6%

Stock ownership potential

Life insurance

Health benefits (medical/dental/vision

Wellness incentives

Disability insurance

Volunteer days

Education stipend

Tuition reimbursement

Parental leave

Job summary

Morningstar Credit Ratings, LLC is seeking a Quantitative Research Intern in Chicago. You’ll work on cleaning datasets, developing simple models, building visualizations, and shadowing analysts to learn how data science informs investment analysis.

The program runs for ten weeks with mentorship, teamwork, and exposure to Morningstar’s research ecosystem. You should be pursuing a quantitative or financial degree and can work in the U.S. during the internship.

Qualifications

• Between 0-2 years of professional working experience.
• Currently pursuing a bachelor’s degree in a quantitative or financial discipline (graduating in 2026 or later).
• Familiarity with Python or R for data analysis.
• Basic knowledge of SQL and statistical methods.
• Strong communication skills and ability to explain technical concepts clearly.

Responsibilities

• Assist in cleaning and organizing financial datasets for use in research projects.
• Support the development and testing of models using basic statistical techniques.
• Help build visualizations and summaries to communicate research findings.
• Shadow quantitative analysts to learn how they apply data science to investment questions.
• Collaborate with internal teams to understand how research connects to Morningstar’s products and services.
• Participate in team meetings and contribute ideas to improve research workflows.
• Document processes and findings to support transparency and reproducibility.

Skills

Python

R

SQL

Data analysis

Communication

Education

Bachelor’s degree in quantitative/finance

Tools

Pandas

NumPy

Job description

Morningstar Credit Ratings, LLC is seeking a Quantitative Research Intern in Chicago. You’ll work on cleaning datasets, developing simple models, building visualizations, and shadowing analysts to learn how data science informs investment analysis.

The program runs for ten weeks with mentorship, teamwork, and exposure to Morningstar’s research ecosystem. You should be pursuing a quantitative or financial degree and can work in the U.S. during the internship.