Senior Data Scientist

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 Data Scientist (AI & General Model Validation) who applies deep technical expertise to ensure our models are robust, reliable, and ready for the future.

This will be a Permanent Full Time Opportunity.

See yourself in our team:

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.

Continuous Improvement – 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 working with predictive modelling, Gen-AI, and/or software engineering
• 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 small project-based teams
• Excellent communication skills, with the ability to translate complex technical concepts for diverse audiences.
• Relevant experience with Gen-AI techniques like RAG, prompt engineering, and/or orchestration tools (e.g., LangChain, LangGraph) would be highly preferred
• Experience with platforms like AWS SageMaker, AWS Bedrock, or is a plus.
• Degree qualified in Statistics, Data Science, Computer Science, Actuarial Science, or a related field – or equivalent industry experience.

Why Join Us?

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.

Working with us:   

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. Our people bring their diverse backgrounds and unique perspectives to build a respectful, inclusive, and flexible workplace. One where we're driven by our values, and supported to share ideas, initiatives, and energy. One where making a positive impact for customers, communities and each other is part of our every day.    

We're committed to being an accessible employer and want to make finding your dream job as easy as possible. If you experience any accessibility issues or if you require additional support, please contact HR Direct. We support our people with the flexibility to balance where work is done with a hybrid approach of at least half your time each month connecting in office. We also have many other flexible working options available including changing start and finish times, part-time arrangements and job share to name a few. Talk to us about how these arrangements might work for you. 

Here, you'll thrive. You'll be supported when faced with challenges and empowered to tackle new opportunities. We're hiring talent from across all of Australia and have opened technology hubs in Melbourne and Perth. We really love working here, and we think you will too.

**Apply Now to live your best life, by doing 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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