Job Description

Senior Staff Data Scientist - Gen AI, Model Validation

• You are passionate about cutting edge Gen AI tools and validation space
• We are leading the world in AI ambition being Australia's largest bank!
• Together, we create the future of banking with innovative AI solutions.

Do Work That Matters:

Are you ready to shape the future of model risk management in one of Australia’s leading financial institutions? At CommBank, we’re looking for a Senior Staff Data Scientist, AI & General Model Validation who blends deep technical expertise with strategic leadership to ensure our models are robust, reliable, and ready for the future.

See yourself in our team:

At CBA, our Model Risk & Validation team plays a critical role in safeguarding the integrity of data-driven decisions across the Group. We provide second-line assurance through rigorous oversight and challenge, ensuring every model meets internal and regulatory standards. Join us and be part of a team that’s shaping the future of risk, technology, and AI across the bank.

As a key member of our Model Risk & Validation team, you’ll drive robust validation processes, deploy cutting-edge analytics tools, and embed robust risk management practices across our model ecosystem. You’ll work with a high-performing quantitative team, guiding them to uphold the integrity of our model risk framework while influencing the Group’s broader AI and transformation strategies.

Your core responsibilities will include:

• Model Validation & Technical Leadership – Design and execute comprehensive validation plans to assess model performance, compliance, and risk.
• Stakeholder Engagement – Establish strong professional relationships with model developers, business units, to ensure transparency and alignment. Present insights to internal technical forums, governance committees and/or regulatory meetings.
• Strategic Transformation & Continuous Improvement – Embed AI best practices into business strategies; develop and integrate AI-driven tools to enhance model development/validation quality and speed.
• Team Leadership & Mentorship – Mentor and guide team members, fostering a collaborative and inclusive culture and champion modern analytics tooling and promote best practices in technical communication.

We are interested in hearing from people who have:

• Demonstrated experience developing, evaluating and/or validating ML/AI, Gen-AI and/or statistical-based models
• Relevant experience with Gen-AI techniques like RAG, prompt engineering, and/or orchestration tools (e.g., LangChain, LangGraph)
• Strong programming skills and experience with tools like Python, R, SQL, Spark, TensorFlow, and PyTorch; familiarity with version control (GitHub)
• Experience with project planning and task allocation for project-based teams
• Excellent communication skills, with the ability to translate complex technical concepts for diverse audiences.
• Experience with platforms like AWS SageMaker, AWS Bedrock, or H2O.ai is a plus.
• Degree qualified in Statistics, Data Science, Computer Science, Actuarial Science, or a related field – or equivalent industry experience.

Working with us

Whether you’re passionate about customer service, driven by data, or called by creativity, a career here is for you. At CommBank, we advocate and facilitate a culture of inclusion and respect, celebrating all cultures, abilities, genders, expressions of gender and sexual orientation. Read more about our commitment to inclusion and diversity on our careers website.

Our people bring their diverse backgrounds and unique perspectives to build a respectful, inclusive and flexible workplace. We are working hard to recruit people who represent the diversity of our customers and our society. If you're excited about this opportunity but you don't meet every single requirement, or your experience doesn't align perfectly, we still want to encourage you to send in your application. You may just be the perfect candidate for this opportunity or another within CommBank.

At CommBank we will inspire you with work that makes a difference, surround you with talented people that respect and value each other, and empower you to grow professionally and personally. Most of all, making a positive impact for customers, communities and each other is part of our every day.

We’re determined to make a real difference for Australia’s first peoples. We encourage all interested applicants to apply. If you’re already part of the Commonwealth Bank Group (including BankWest), you’ll need to apply through Sidekick to submit a valid application. We’re keen to support you with the next step in your career.

APPLY NOW to live your best life and do your best work with us!

If you're already part of the Commonwealth Bank Group (including Bankwest, x15ventures), you'll need to apply through Sidekick to submit a valid application. We’re keen to support you with the next step in your career.

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Advertising End Date: 07/04/2026