Healthcare Data Science Intern - ML & NLP Impact

Cigna Healthcare; St. Louis (MO); Hybrid; USD 48,000 - 59,000; Full time

Job summary

The Cigna Group invites aspiring data scientists to join its Data Science Center of Expertise for a full-time summer internship. Work on predictive models, NLP, and analytics to impact healthcare decisions while collaborating with senior leaders and clinicians.

Hybrid schedule with on-site days in Morris Plains, NJ; Austin, TX; or St. Louis, MO, and remote work two days per week. Compensation ranges per hour and requires US work authorization.

Qualifications

• Pursuing a master's degree or PhD in data science, statistics, applied mathematics, computer science, bioinformatics, computational linguistics, or another quantitative field.
• At least 1 year of hands-on data science or analytics experience gained through coursework, research, internships, or professional projects.
• Working knowledge of Python or R, probability and statistics, and data preparation, cleansing, and interpretation.
• Experience developing or evaluating analytical methods such as regression, decision trees, clustering, machine learning, text mining, or natural language processing.
• Ability to explain technical work clearly, collaborate across disciplines, and adapt based on feedback and new information.

Responsibilities

• Develop and evaluate predictive, machine learning, natural language processing, or generative AI solutions that address complex healthcare and business challenges.
• Translate large, varied datasets, including claims, member information, call transcripts, surveys, and web logs, into insights that can improve member outcomes, experiences, and operational effectiveness.
• Partner with data scientists, engineers, business leaders, and clinical stakeholders to define problems, test ideas, and turn research into scalable solutions.
• Build clear, reproducible data pipelines, models, and visualizations using tools such as Python, R, SQL, Spark, or related technologies.
• Communicate findings, tradeoffs, and recommendations to technical and nontechnical audiences, including opportunities to present work to senior leadership.
• Apply a responsible, growth-oriented approach by seeking feedback, testing assumptions, documenting methods, and considering data quality, privacy, fairness, and model performance.

Skills

Python

R

Probability & Statistics

Data wrangling

Modeling/ML

Education

Master's or PhD in data science or quantitative field

Tools

SQL

Hive SQL

Spark

PySpark

Hadoop

Tableau

Job description

The Cigna Group invites aspiring data scientists to join its Data Science Center of Expertise for a full-time summer internship. Work on predictive models, NLP, and analytics to impact healthcare decisions while collaborating with senior leaders and clinicians.

Hybrid schedule with on-site days in Morris Plains, NJ; Austin, TX; or St. Louis, MO, and remote work two days per week. Compensation ranges per hour and requires US work authorization.