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Data Science

At Aetna, we’re pioneering a total approach to health and wellness. As a Data Scientist on the Analytics & Behavior Change team, you’ll build leading-edge analytics, data and technology platforms to help reimagine health care. We’ll count on you to help solve problems and deliver meaningful insights to our customers by leveraging innovations in data science, machine learning and predictive modeling techniques. And we’ll support you in achieving more in your life and your work.

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Success Profile

What makes a successful data scientist? Here are the traits we are looking for:

  • Adaptable
  • Analytical
  • Curious
  • Logical
  • Problem-solver
  • Results-driven
  • Collaborative
  • Communicator
  • Creative
  • Efficient
  • Innovative
  • Insightful
  • Organized
  • Persistent

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  • Health

  • Wellness

  • Financial

  • Paid Time Off & Disability

  • Life Insurance

  • Additional Benefits

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Employee Quotes

At Aetna Analytics, the team uses machine learning techniques and data visualization to derive insights from the data to guide our efforts to understand and care for our members more effectively and at a lower cost. Each team member is responsible for a new weekly insight. We have a great mix of new graduates and senior data scientists. I’m constantly blown away at the talent, creativity and drive on our team!

Karen S., Senior Director - Enterprise Analytics

Working at Aetna, gives you the opportunity to use the data to make a change. A change that could save lives, could prevent fraud, a change that really matters and a chance to work with like-minded people to make a difference. A great team, helpful colleagues, intelligent co-workers make the journey to learn and innovate that much more fun.

Tanvi K., Data Scientist - Clinical Analytics

Job Details

Senior Data Scientist

Primary Location: Hartford, Connecticut
Additional Locations: CT-Hartford
Responsible for design, development and implementation of pricing risk models in distributed frameworks such as Hadoop and Spark. Develop ensemble machine learning models to improve upon existing pricing risk models. Test and evaluate the performance of different machine learning methods in pricing risk score models such as: Decision Tree, GBM, Random Forest, XGboost, Deep Learning, lasso and ridge Regression, KNN, multitask learning and ensemble modeling. Create different validation frameworks in order to validate the results of machine learning models using retrospective data creation and model deployment strategies to ensure the quality of production. Responsible for sampling design, feature creation, and model development for disease progression and onset models for acute and chronic disease for pricing and care management use cases. Create severity and frequency models for different use cases in pricing. Responsible for data pipeline construction based on different data sources using Hadoop and Spark. Design and implement data exploration scripts for quality assessment of data pipelines using univariate, bi-variate and multivariate statistics. Propose and implement feature engineering strategies and data preparation methods for supervise and unsupervised models.

Fundamental Components:
Only use job description submitted. Please do not change any of the wording written as it is specific from Fragomen lawyers. Thank you!

Background Experience:
Master’s degree in Statistics, Statistical Computing or Mathematics.
Minimum 2 years of data analytics experience. Must have experience with the design, development and documentation of data preparation and ETL pipelines; experience in
statistical analysis methods; machine learning; predictive modeling; unsupervised methods; and deep learning. Must have experience using R and Python to manipulate large datasets and to develop statistical models; data visualization; and Business intelligence tools to develop insights. Must also have experience with SQL and SQL server; Oracle; SAS; and SPSS.

Potential Telework Position:

Percent of Travel Required:

EEO Statement:
Aetna is an Equal Opportunity, Affirmative Action Employer

Benefit Eligibility:
Benefit eligibility may vary by position. Click here to review the benefits associated with this position.

Candidate Privacy Information:
Aetna takes our candidate's data privacy seriously. At no time will any Aetna recruiter or employee request any financial or personal information (Social Security Number, Credit card information for direct deposit, etc.) from you via e-mail. Any requests for information will be discussed prior and will be conducted through a secure website provided by the recruiter. Should you be asked for such information, please notify us immediately.

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