Senior Linux/Unix Admin

Job Title: Senior Unix/Linux and Database AdministratorJob Purpose We are seeking a hands-on, experienced Senior Administrator specialising in Unix/Linux environments and database management within the financial services sector. This role is critical to the stability, performance, and scalability of a recently implemented core banking platform (live since October).The successful candidate will be expected to hit the ground running, supporting a complex, high-availability environment spanning 50+ servers and 15-20 databases, while also contributing to ongoing optimisation and platform maturity.Key ResponsibilitiesDatabase and Platform ManagementAdminister and optimise enterprise databases (including SQL Server and Oracle environments) supporting core financial applicationsManage and support clustered database environments, including Oracle RACEnsure high availability, performance tuning, and data integrity across all database platformsApplication and Web Layer SupportSupport and manage front-end application environments, with experience inFlexcubeorWebLogicParticipate in web environment testing and ongoing platform stabilisation following recent go-liveInfrastructure and Systems AdministrationManage and maintain Linux and Unix-based servers across a large-scale production estate (50+ servers)Perform system upgrades, patching, and performance tuning across OS and database layersCluster and Resiliency ManagementManage cluster software and high-availability configurations across ..... full job details .....