Install and configure SAP systems including ECC, S/4HANA, BW, PI/PO, CRM, and Solution ManagerPerform system upgrades, EHP implementations, kernel upgrades, and patch management using SPAM, SAINT, and SUM toolsCarry out system refreshes, client copies, and client export/import activitiesConfigure and manage the SAP Transport Management System (TMS)Monitor and maintain system performance, work processes, background jobs, logs, and dumpsSet up RFC connections, SSO, operation modes, and logon load balancingPerform database administration tasks for SAP HANA and Sybase ASEManage system copies (homogeneous and heterogeneous) using SWPMMaintain landscape documentation and follow ITIL-based change management processesCollaborate with functional teams, infrastructure teams, and external vendorsGenerate and maintain Solution Manager stack XML files, and ensure LMDB and SLD synchronizationProvide 24x5 support for business-critical systems and resolve system issues proactively