Senior Data Scientist

About

Guardian is on a transformation journey to evolve into a modern, forward‑thinking insurance company committed to enhancing the wellbeing of its customers and their families. The AI team drives a culture of intelligence and automation across the enterprise, creating business value from advanced data and AI solutions. The team includes data scientists, engineers, analysts, and product leaders working together to deliver AI‑driven products that power growth, improve risk management, and elevate customer experience.

Key Responsibilities

• Lead use case/workstream with junior data scientists
• Support use case development including data exploration, project/sample design, data reception and processing, analysis, modeling, and final report/presentation creation
• Perform data wrangling, data matching, and ETL to explore diverse data sources, gain data expertise, conduct summary analyses, and prepare modeling datasets
• Utilize advanced statistical and AI/ML techniques to create high‑performing predictive models and creative analyses that address business objectives and partner needs
• Identify source data and conduct data quality checks during model/solution development and in production
• Package model/solution and deploy in cooperation with Data Engineers and MLOps
• Implement new statistical or mathematical methodologies as needed for specific models or analyses
• Propose innovative approaches using data mining and data visualization
• Work with stakeholders across the organization to identify opportunities for leveraging company data to drive business solutions
• Present information using data visualization techniques; communicate results and ideas to key decision makers
• Ensure data accuracy and consistent reporting by performing regular data quality control, preparing and maintaining reports, and troubleshooting data anomalies
• Maintain consistent accuracy and thoroughness in performing work assignments
• Attend industry conferences to stay current on trends, challenges, and potential market opportunities
• Contribute to standardization of Data Science tools, processes, and best practices

You Are

• Passionate about cutting‑edge technology and applying new AI/ML algorithms and approaches
• Analytically driven, intellectually curious, and experienced in leading the development and implementation of data and analytic solutions to solve challenging business problems
• Enjoy collaborating with other data scientists to solve hard problems with AI/ML and seeing solutions deployed in‑market to generate value for Guardian
• Comfortable working with a multi‑disciplinary team including data engineers, business analysts, software developers, functional business experts, and business leaders

You Have

• PhD with 2+ years of experience, or Master’s degree with 4+ years of experience in Statistics, Computer Science, Engineering, Applied Mathematics, or a related field
• 3+ years of hands‑on ML modeling/development experience
• Solid understanding of data analysis and statistical modeling
• Knowledge of a variety of machine learning techniques (clustering, decision trees, bagging/boosting, artificial neural networks, etc.) and their real‑world advantages/drawbacks
• Demonstrated track record in experimental design and execution
• Hands‑on experience with data wrangling, including fuzzy matching, regular expressions, distributed computing, and applying parallelism to ML solutions
• Strong programming skills in Python
• Solid background in algorithms and a range of ML models
• Excellent communication skills and ability to collaborate cross‑functionally with Product, Engineering, and other disciplines at both leadership and hands‑on levels
• Excellent analytical and problem‑solving abilities with superb attention to detail
• Proven leadership in providing technical guidance and mentoring to data scientists, with strong management skills to monitor/track performance for enterprise success

Location

• Three days a week at a Guardian office in Boston, MA; New York, NY; Holmdel, NJ; Stamford, CT; or Bethlehem, PA

Salary Range

$118,980 – $195,465 (base pay estimate for primary location; final salary based on education, experience, knowledge, and abilities)

Benefits

Our Promise – At Guardian you’ll have the support and flexibility to achieve professional and personal goals through skill‑building, leadership development, and philanthropic opportunities, fostering a community of diverse colleagues with high ethical standards.

Inspire Well‑Being – Guardian offers contemporary, supportive, flexible, and inclusive benefits and resources to colleagues. Full‑time eligible employees can explore the complete benefits package at the company careers site.