Senior AI Science Leader, Mortgages — Hybrid

Westpac Bank; Sydney; Hybrid; AUD 180,000 - 290,000; Full time

Job summary

Westpac Bank is seeking an Executive Manager AI Science, Mortgages to lead the mortgaged AI strategy and roadmap. You will translate customer, lending and operational priorities into measurable outcomes, guiding models from concept to production in a regulated banking environment.

You will build and coach a high-performing team, shape governance and risk controls, and partner with product leaders to deliver customer-centric AI solutions with impact across lending processes.

Qualifications

• 10+ years in data science and applied AI, including senior leadership, in banking or similar regulated domains.
• Deep capability in predictive modelling, experimentation, optimisation and model validation.
• Proven track record taking analytics/AI solutions into controlled production with MLOps/LLMOps lifecycles.
• Practical understanding of LLMs, document intelligence and agent workflows with prudent usage.
• People leadership: building/scaling teams, hiring, coaching senior practitioners, setting direction.
• Executive influence and clear communication to cross-functional partners.
• Strong risk mindset with fair, explainable customer outcomes.
• Exposure to mortgages, credit or lending decision science workflows.
• Experience contributing reusable models or agent patterns across wider practice.
• Ability to shape AI portfolios and deliver impactful lessons across teams.

Responsibilities

• Own and maintain the Mortgages AI strategy and roadmap with product leaders.
• Frame and prioritise use cases with clear customer problems, benefits and data needs.
• Provide technical direction across predictive AI, optimisation, document intelligence and agentive systems.
• Ensure quality from problem definition to validation, implementation and monitoring.
• Embed privacy, security, model risk, Responsible AI, explainability and governance from the start.
• Align portfolio priorities with enterprise AI capabilities and defined interfaces.
• Monitor delivery, model performance and realised value, escalating risks when needed.
• Build reusable patterns and grow the AI Science practice through coaching and knowledge sharing.

Skills

Data science leadership

Applied AI in finance

Predictive modelling

MLOps/LLMOps

Executive communication

Responsible AI & risk

Team building & coaching

Mortgages domain knowledge

Document intelligence

Agent workflows

Production AI experience

Job description

Westpac Bank is seeking an Executive Manager AI Science, Mortgages to lead the mortgaged AI strategy and roadmap. You will translate customer, lending and operational priorities into measurable outcomes, guiding models from concept to production in a regulated banking environment.

You will build and coach a high-performing team, shape governance and risk controls, and partner with product leaders to deliver customer-centric AI solutions with impact across lending processes.