Please note that rosters are predetermined. Before. applying please ensure you are available to cover the following roster. . Part time (31.25 hours). Monday to Friday 9.15 am to 4.15 pm. Do work that matters. As the public face of CommBank, the Retail Banking Services (RBS) team delivers a seamless banking experience to more than 10 million personal and small business customers. We’ve been serving our local communities for over 100 years, with ...