[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Commonwealth Bank jobs](https://jobs.opennash.com/companies/commonwealth-bank/) · [Search jobs](/search/) Commonwealth Bank · Sydney CBD Area # Senior Data Scientist Sydney CBD Area Senior individual contributor Data & Analytics Listed on Commonwealth Bank’s official careers site. Posted October 17, 2026. Check that it is still open and apply there. [Apply on Commonwealth Bank’s careers site →](https://cba.wd3.myworkdayjobs.com/CommBank_Careers/job/Sydney-CBD-Area/Senior-Data-Scientist---Risk-Management--Financial-Crime-Model-Validation--_REQ259894) [OpenNash Jobs](https://jobs.opennash.com/) / [Commonwealth Bank](https://jobs.opennash.com/companies/commonwealth-bank/) / Senior Data Scientist ## Job description Help validate the next generation of financial crime models as the bank transitions from rule-based alerting to modern machine learning /GenAI approaches. Join a newly built capability within Risk Management focused on high-priority model validation in a heavily regulated area. Build deep domain expertise now, with opportunities over time to broaden into wider model validation and future AI-related work. ### Do Work That Matters Be part of the team that helps CommBank make better decisions. Risk Management partners across the Group to identify, assess and manage risk, protecting our customers, strengthening the bank and enabling sustainable growth. Join a collaborative team where you’ll solve complex challenges, influence strategic decisions, and use data, insights and innovation to make a meaningful impact. In this role, you’ll support a newly created capability focused on validating financial crime models as the bank moves from traditional rule-based alerting towards more modern machine learning approaches. You’ll apply strong technical judgement in a highly regulated environment, partnering with stakeholders to assess complex models and strengthen model risk outcomes. See yourself in our team You will: Validate financial crime models as part of a dedicated team supporting a new capability within model validation. Apply your data science and machine learning expertise to assess models designed to detect patterns and identify potentially risky transactions. Deep dive into previous projects, technical decisions and problem-solving approaches to bring strong validation judgement to complex use cases. Work closely with stakeholders in a regulatory-heavy domain where model risk, governance and technical quality all matter. Contribute to a collaborative team environment that values learning, capability growth and exposure to different projects over time. We’re interested in hearing from people who: We know great candidates may not meet every requirement listed below. If you’re excited about this opportunity and believe your experience could add value, we’d love to hear from you. Bring strong hands-on experience in Data Science, Machine Learning and Statistical Modelling. Can clearly articulate how you have solved complex problems and designed technical approaches in previous model-related work. Have strong Python capability, AWS experience, and experience working in a data-science-led technical environment. Bring financial crime domain knowledge, or experience working with financial crime models, either in model development or model validation. Have the ability to work effectively with stakeholders and apply sound judgement in regulated, risk-focused environments. Hold a tertiary qualification in Statistics, Mathematics, Data Science or Computer Science. ### Working with us At CommBank, we're committed to creating an accessible, inclusive and respectful workplace. If you require support or adjustments, please let us know. We welcome applications from people of all backgrounds and we're particularly committed to making a positive difference for Aboriginal and/or Torres Strait Islander Peoples. 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. We're aware of some accessibility issues on this site, particularly for screen reader users. We want to make finding your dream job as easy as possible, so if you require additional support please contact HR Direct on 1800 989 696. ### Advertising End Date 23/07/2026 ## At a glance - Posted by the employer: Oct 17, 2026 - First seen by OpenNash: Jul 16, 2026 - Last checked: Oct 17, 2026 - Listed for: 93 days - Location: Sydney CBD Area[Apply on Commonwealth Bank’s careers site →](https://cba.wd3.myworkdayjobs.com/CommBank_Careers/job/Sydney-CBD-Area/Senior-Data-Scientist---Risk-Management--Financial-Crime-Model-Validation--_REQ259894) ## More jobs at Commonwealth Bank ### [Chief Engineer - Engineering Data Platform](https://jobs.opennash.com/companies/commonwealth-bank/jobs/d60ebd149e8262568b25/) Sydney CBD Area ### [Senior Associate, Data and Analytics, Performance and Strategy](https://jobs.opennash.com/companies/commonwealth-bank/jobs/6234a4ef959354deb164/) Sydney CBD Area ### [Senior Data Scientist, ML, NLP, GenAI, Agentic AI](https://jobs.opennash.com/companies/commonwealth-bank/jobs/2e9fdd9dd9c3556eab14/) Sydney CBD Area ### [Staff Data Engineer](https://jobs.opennash.com/companies/commonwealth-bank/jobs/27279c869b49cca6eb51/) Sydney CBD Area ### [Associate OTC Regulatory Reconciliation and Reporting](https://jobs.opennash.com/companies/commonwealth-bank/jobs/759de81bba2559bad34e/) Sydney CBD Area ## Similar jobs at other companies ### [Data Scientist](https://jobs.opennash.com/companies/grasim-industries/jobs/a319a052d10205fb088f/) Grasim Industries · Maharashtra ### [Data Scientist](https://jobs.opennash.com/companies/citigroup/jobs/ce4eb96f4b9bd951ce8d/) Citigroup · London United Kingdom ### [Data Scientist](https://jobs.opennash.com/companies/siemens/jobs/e2267a8bfe2ac1344f96/) Siemens ### [Data Scientist](https://jobs.opennash.com/companies/accenture/jobs/b5d78963df9d2b26f975/) Accenture OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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