VANGUARD

Lead Data Scientist

Malvern, PA Full time

Key Responsibilities 

  • Develops complex queries and performs extensive programming to access, transform, and prepare largescale data for statistical modeling and AI applications.  

  • Leads diagnostic, predictive, and prescriptive analytics initiatives to support strategic and operational decision-making 

  • Identifies data inconsistencies, documents assumptions, and addresses data quality gaps to ensure reliable model outcomes.  

  • Designs, trains, evaluates, and deploys machine learning and AI models (e.g., supervised/unsupervised learning, NLP, timeseries, optimization). 

  • Apply generative AI techniques (e.g., LLMs, embeddings, prompt engineering, agents) to enable automation, insight generation, and intelligent user experiences. 

  • Guides model validation, performance monitoring, explainability, and responsible AI practices.  

  • Engages with business and technology stakeholders to understand problems, formulate hypotheses, and translate requirements into analytic and AI solutions.  

  • Serves as an AI and analytics expert on cross functional initiatives, contributing to enterprise wide data and AI maturity.  

  • Prepares and delivers clear, concise insight presentations and recommendations to technical and nontechnical audiences.  

Qualifications 

  • 7+ years of experience in data science, analytics, or related quantitative roles.  

  • Strong programming skills (e.g., Python, SQL) for data wrangling, modeling, and production ready solutions.  

  • Handson experience with statistical modeling and machine learning techniques.  

  • Proven ability to translate complex analytical results into business insights.  

  • Experience with generative AI, LLMs, vector databases, or AI orchestration frameworks. 

  • Familiarity with cloud based data and AI platforms. 

  • Experience working in regulated or largescale enterprise environments. 

What Success Looks Like 

  • AI solutions that measurably improve efficiency, insight quality, and decision speed. 

  • Scalable, well governed models that are trusted by business partners. 

  • Clear storytelling that connects AI outcomes to business value. 

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.