What are the responsibilities and job description for the Analyst II, Data Science position at Liberty Mutual Insurance Group?
Work independently with product management, underwriting, marketing, finance, actuarial, IT, risk management, claims, loss control, distribution or other areas on complex, cutting edge analyses and recommendations regarding appropriate courses of actions. Enables the business to make clear tradeoffs among choices, with a reasonable view into likely outcomes. Assists in customizing analytic solutions to specific client needs. Responsible for large components of projects considered high complexity. Participates in cross functional working groups. Employer will accept a Master's degree (or foreign equivalent) in Mathematics, Business Analytics, or Physics or Economics and 3 years of experience in the job offered or in an Analyst II, Data Science-related occupation. Property & Casualty Insurance, specifically underwriting and ratemaking concepts. Core statistical and Machine Learning (ML) techniques with real industry experience in analyzing data and building models, including Generalized Linear Models (GLM), decision trees, random forests, and neutral network. Data extraction and wrangling, Exploratory Data Analysis (EDA), variable transformations and feature engineering. Methods in variable selection, model comparisons and validation. Testing of various modeling assumptions, including sensitivity analysis, back-testing with historical data, validation of distributional assumptions, stress testing under extreme scenarios, and out-of-sample performance evaluation. Expertise in analyzing data, building models and generating graphs using statistical programming tools including each of the following in both on-premises and cloud environment: SAS, R, Python, SQL, Jupyter notebook, VScode, and Pycharm. Proven expertise with GitHub version control tool. Experience in Agile Project management methodology. Expertise in MLOps frameworks including MLFlow and Airflow. AWS cloud computing infrastructure. Expertise in Statistical/ML implementation in Python. Position requires domestic travel up to 10%. Telecommuting permitted up to 60%. Multiple positions available.