Contract Role: Mainframe DB2 Systems Programmer - Banking - Inside IR35Location: UK (Remote) or Denmark (Hybrid - 10 days/month onsite)Rate: £450-£550/day (Inside IR35, via umbrella)Duration: 6 months+Start: ASAPClient: Global Consultancy, End Client in the Banking SectorSalt is partnering with a global consultancy supporting a major banking programme, and is looking for an experienced Mainframe DB2 Systems Programmer to join their infrastructure team.You will be responsible for maintaining a stable, secure, and highly available DB2 environment within a large-scale SysPlex setup. This includes performing upgrades, supporting disaster recovery, and tuning for performance.Key Responsibilities:Install, upgrade, and customise DB2 and related Mainframe toolingPerform diagnostics, root cause analysis, and issue resolutionSupport disaster recovery, performance tuning, and high availability planningWork closely with DBAs, system programmers, and infrastructure teamsProvide 24x7 on-call support on a rota basisDocument best practices, procedures, and runbooksEssential Skills:7+ years of DB2 systems programming in a Mainframe environmentExperience in large data sharing SysPlex setupsStrong troubleshooting across both infrastructure and DB2 layersProven capability in performance tuning, monitoring, and system stabilityDesirable Skills:Experience with IDAA, CDC Replication, or DB2 replication toolingExposure to 24/7 banking production environmentsFamiliarity with parallel Sysplex, JCL, SD