Senior AI Scientist

The Vanguard Group; Malvern (Chester County); Hybrid; USD 120,000 - 180,000; Full time

Job summary

The Vanguard Group in Malvern, PA is seeking an experienced Senior Data Scientist to own end-to-end predictive modeling initiatives, from problem framing to deployment and monitoring. You will mentor junior team members and establish data quality standards to ensure rigorous, practical analytics.

The role requires collaboration with senior leaders to translate business questions into analytic plans and deliver actionable insights that shape strategic decisions. A hybrid work model is available.

Qualifications

• Minimum of five years of related work experience in data science or analytical roles.
• Strong experience utilizing statistical and machine learning methods required.
• Experience with large language models, knowledge graph and generative AI required.
• Proficiency in Python programming and experience with machine learning frameworks (e.g., TensorFlow, PyTorch, Scikit-learn).
• Proficiency in cloud platform (such as AWS) and associated AI services and tools.
• Strong stakeholder Management and excellent communication skills.
• Special Factors Sponsorship Vanguard is not offering visa sponsorship for this position.

Responsibilities

• Owns the end-to-end design, development, and execution of complex predictive modeling initiatives, from problem formulation through validation, deployment readiness, and ongoing risk assessment.
• Leads and executes deep dive diagnostic, predictive, and prescriptive analytics to support data-driven business decision making.
• Creates alternative model approaches to assess complex model design and advance future capabilities.
• Mentors and develops junior data scientists and analysts.
• Establishes and enforces data quality standards for modeling use, including diagnosing data issues, documenting assumptions and limitations, and filling data gaps in ways that balance rigor, practicality, and risk.
• Partners with senior leadership to understand and probe business processes in order to develop hypotheses.
• Brings structure to requests and translates requirements into an analytic approach.
• Guides research design, model evaluation, validation, and monitoring strategies, providing expert judgment on model performance, stability, and appropriate use.
• Serves as a trusted technical voice on cross-functional initiatives involving advanced analytics or machine learning.
• Builds reusable tools, frameworks, and shared resources that improve modeling efficiency, consistency, and scalability across the predictive and analytics community.
• Prepares and delivers clear, insightful presentations with recommended actions.
• Communicates complex analytical findings and implications to business leaders.
• Participates in special projects and performs other duties as assigned.

Skills

Data science

Machine learning

Python

TensorFlow

PyTorch

Scikit-learn

AWS

Language models

Job description

Responsibilities

• Owns the end-to-end design, development, and execution of complex predictive modeling initiatives, from problem formulation through validation, deployment readiness, and ongoing risk assessment.
• Leads and executes deep dive diagnostic, predictive, and prescriptive analytics to support data-driven business decision making.
• Creates alternative model approaches to assess complex model design and advance future capabilities.
• Mentors and develops junior data scientists and analysts.
• Establishes and enforces data quality standards for modeling use, including diagnosing data issues, documenting assumptions and limitations, and filling data gaps in ways that balance rigor, practicality, and risk.
• Partners with senior leadership to understand and probe business processes in order to develop hypotheses.
• Brings structure to requests and translates requirements into an analytic approach.
• Guides research design, model evaluation, validation, and monitoring strategies, providing expert judgment on model performance, stability, and appropriate use.
• Serves as a trusted technical voice on cross-functional initiatives involving advanced analytics or machine learning.
• Builds reusable tools, frameworks, and shared resources that improve modeling efficiency, consistency, and scalability across the predictive and analytics community.
• Prepares and delivers clear, insightful presentations with recommended actions.
• Communicates complex analytical findings and implications to business leaders.
• Participates in special projects and performs other duties as assigned.

Qualifications

• Minimum of five years of related work experience in data science or analytical roles.
• Strong experience utilizing statistical and machine learning methods required.
• Experience with large language models, knowledge graph and generative AI required.
• Proficiency in Python programming and experience with machine learning frameworks (e.g., TensorFlow, PyTorch, Scikit-learn).
• Proficiency in cloud platform (such as AWS) and associated AI services and tools.
• Strong stakeholder Management and excellent communication skills.
• Special Factors Sponsorship Vanguard is not offering visa sponsorship for this position.

About Vanguard

At Vanguard, we don't just have a mission—we're on a mission. To work for the long-term financial wellbeing of our clients. To lead through product and services that transform our clients' lives. To learn and develop our skills as individuals and as a team. From Malvern to Melbourne, our mission drives us forward and inspires us to be our best.

How We Work

Vanguard has implemented a hybrid working model for the majority of our crew members, designed to capture the benefits of enhanced flexibility while enabling in-person learning, collaboration, and connection.

We believe our mission-driven and highly collaborative culture is a critical enabler to support long-term client outcomes and enrich the employee experience.

Vanguard, one of the world's leading investment management companies, serves individual investors, institutions, employer-sponsored retirement plans, and financial professionals.

We have a diverse and talented crew with a culture that promotes teamwork, along with an unwavering focus on serving our clients' best interests.