- Maintaining & solving problems around IT infrastructure & Core Banking System, including Framework (Jbase, Jboss, Jshell), - Supporting the development process on the side of the Core Banking System for Bank and Product business needs.- Providing Production data Based SQL Server, and perform for Extract, Backup, Restore, Encrypt, & Decrypt - Maintaining and Updating existing systems on the product as stakeholders required.- Conduct Analysis provides input about business processes and security of applications- Collaborating with Business Teams, Application, Security Operations and other teams to resolve issues and ensure solutions are viable and consistent.- Maintaining server & storage media for daily data production based DC and DRC- Provide Data Report for all System Perfomance- Provide Banking system network, SKN BI, RTGS, Artajasa