Senior AI Validation & Model Risk Lead

Vanguard; Malvern (Chester County); Hybrid; USD 140,000 - 210,000; Full time

Benefits offered by this job

Visa sponsorship

Job summary

Vanguard’s Model Risk Management team seeks an experienced model risk professional to oversee independent validation of AI/ML and generative AI models enterprise-wide. Lead evaluations, challenge assumptions, and ensure governance across the model lifecycle.

You will collaborate with data scientists, technologists, and business users, driving framework evolution and effective risk mitigation. Hybrid work model supports in-person collaboration while enabling flexible schedules.

Qualifications

• PhD in a quantitative discipline such as Computer Science, Mathematics, Statistics, Physics, Engineering or equivalent
• Minimum of 7 years of relevant experience in model development or model validation
• Experience developing, testing or validating AI/ML models or systems using generative AI is required
• Knowledge of programming languages including Python is a requirement
• Knowledge of technology platforms used for model development and deployment, CI/CD is a requirement
• Knowledge of generative AI architectures including foundation models, RAG systems, agentic workflows, prompt engineering approaches, and associated risks such as hallucinations, algorithmic bias, and harmful outputs
• Knowledge of AI/ML modeling including ML algorithms, NLP, deep learning, and evaluation methodologies
• Exceptional written communication skills are required, including the ability to communicate complex model risks to audiences ranging from technical practitioners to senior executives
• Experience in the financial services sector is a plus
• Broad knowledge of risk management at financial institutions preferred
• Ability to deal effectively with a variety of stakeholder teams
• Ability to effectively manage multiple and competing priorities
• Exhibits flexibility and excellent judgment

Responsibilities

• Lead independent validations and challenge of AI models across the enterprise
• Assess model assumptions, data, methods, and monitoring for material risk drivers
• Ensure compliance with internal AI standards and regulatory expectations
• Deliver high‑quality validation reports and communicate findings to varied stakeholders
• Develop and refine validation procedures for AI/ML systems across the lifecycle
• Contribute to policy and standard setting for model risk management
• Advise stakeholders on Model Risk policy and standards as needed
• Identify and surface emerging AI/ML risks to leadership
• Provide coaching and mentorship to junior team members
• Participate in special projects and other duties as assigned

Skills

Python

Generative AI

NLP & DL

Model risk management

Communication

CI/CD

Education

PhD in quantitative discipline

Tools

CI/CD platforms

Job description

Vanguard’s Model Risk Management team seeks an experienced model risk professional to oversee independent validation of AI/ML and generative AI models enterprise-wide. Lead evaluations, challenge assumptions, and ensure governance across the model lifecycle.

You will collaborate with data scientists, technologists, and business users, driving framework evolution and effective risk mitigation. Hybrid work model supports in-person collaboration while enabling flexible schedules.