Lead Data Scientist

Responsibilities

• Develops complex queries and performs extensive programming to access, transform, and prepare large scale 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, time series, 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 non technical audiences.

Requirements

• 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.
• Hands on 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 large scale 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

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