Data Scientist Intern- Master's Program

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    The Cigna Group

    10,001+ employeesBloomfield, ConnecticutHospitals and Health Care
    Actively hiringPaidSummer 2027Hospitals and Health Care
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    Best applied by Sep 25

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    About the role#

    This internship is a foundational development opportunity for emerging data science professionals. You will join the Data Science Center of Expertise at Evernorth Health Services to apply advanced analytics to healthcare challenges. Interns contribute to work that may evolve into enterprise capabilities, be presented to senior leadership, or contribute to patented innovations. You will engage directly with data scientists, engineers, and clinical stakeholders to shape strategic and operational decisions.

    What you'll do#

    • Develop predictive, machine learning, natural language processing, or generative AI solutions for healthcare and business challenges.
    • Translate large datasets, including claims, member information, call transcripts, and web logs, into insights that improve member outcomes and operational effectiveness.
    • Partner with cross-functional teams to define problems, test ideas, and turn research into scalable solutions.
    • Build reproducible data pipelines, models, and visualizations using tools such as Python, R, SQL, or Spark.
    • Communicate findings and recommendations to both technical and nontechnical audiences.
    • Apply a growth-oriented approach by seeking feedback, documenting methods, and considering data quality, privacy, and model performance.

    What you'll need#

    • Pursuing a master's degree or PhD in data science, statistics, applied mathematics, computer science, bioinformatics, computational linguistics, or a related quantitative field.
    • At least 1 year of hands-on data science or analytics experience from coursework, research, internships, or professional projects.
    • Working knowledge of Python or R, probability and statistics, and data preparation and interpretation.
    • Experience with analytical methods like regression, decision trees, clustering, text mining, or natural language processing.
    • Ability to explain technical work clearly and collaborate across disciplines.
    • Experience querying relational or distributed datasets using SQL, Hive SQL, Spark, PySpark, Scala, Hadoop, or HDFS.
    • Experience with visualization tools or libraries such as Tableau, Shiny, ggplot, or Matplotlib.
    • Demonstrated interest in healthcare analytics, responsible AI, or experimentation.

    Location & details#

    • This is a full-time summer internship running from May 24 through August 13, 2027.
    • The role is hybrid, requiring three days per week in the office and two days working remotely.
    • Office locations include Morris Plains, NJ, Austin, TX, or St. Louis, MO.
    • Hourly pay ranges from $35.00 to $43.00, depending on your degree program and year of study.
    • Candidates must be authorized to work in the United States without company sponsorship.
    • If working remotely, you must have a cable broadband or fiber optic internet connection with speeds of at least 10Mbps download and 5Mbps upload.

    About The Cigna Group

    The Cigna Group is a global health company based in Bloomfield, Connecticut. It operates through Cigna Healthcare and Evernorth Health Services. The organization maintains sales capabilities in over 30 countries and jurisdictions. It serves more than 190 million customer relationships worldwide.

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