Assistant Director, Data Science (STP)

Liberty Mutual Insurance
Boston, US
Hybrid

Job Description

Build tools and processes to empower other people. Employer will accept a Bachelor's degree (or foreign equivalent) in Computer Science or Data Science or related field and 5 years of experience in the job offered or in a Assistant Director, Data Science (STP)-related occupation. Alternatively, the employer will accept a Master's degree (or foreign equivalent) in Computer Science or Data Science or related field and 4 years of experience in the job offered or in a Assistant Director, Data Science (STP)-related occupation. Insurance pricing and underwriting. Insurance statistical modeling in Emblem including input data creation and output model formats. Writing Python and SQL with production level ML and Dev Ops code standards including modular and tested code. Version control with git. Performing open-source Python package development with GitHub including GitHub projects and Issues, GitHub Actions, Pull Requests, automated linting and formatting, and test-driven development. Demonstrated understanding of the data science modeling process from dataset creation through model deployment including feature engineering and statistical modeling. Statistical modeling including GLMs, GBMs, Random Forest, clustering, and neural networks. Modeling pipelines using Airflow, Luigi or Celery with model versioning in MLFlow. AWS cloud infrastructure (EC2, EMR and S3). Current state of the Python open-source ecosystem packages including polars, pandas, h2o, sklearn, lightgbm, and pydantic. Ability to evaluate the newest Python packages for inclusion into our tools. Demonstrated ability to operate within a large organization and move the company forward with new technological solutions. Ability to communicate tooling best practices and tool updates via presentations, email and posts, and the ability to train and mentor data scientists on tooling best practices and tool updates. Proven ability to debug multi-layered problems through a suite of tools. Demonstrated ability to gain trust of data scientists and partner with them to solve their coding problems. Position requires domestic (U.S.) travel up to 10%. Telecommuting permitted up to 60%. Multiple Positions Available.

Skills & Requirements

Technical Skills

PythonSqlAws cloud infrastructureInsurance pricing and underwritingInsurance statistical modelingEmblemAirflowLuigiCeleryMlflowPolarsPandasH2oSklearnLightgbmPydanticCommunicationTeamworkProblem solvingPresentationInterpersonal relationshipsTrainingMentoringData scienceInsuranceStatistical modelingMachine learningDevopsCloud infrastructure

Employment Type

FULL TIME

Level

lead

Posted

4/20/2026

Apply Now

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