Install new software releases, system upgrades, evaluate and install patches and resolve software related problems.Perform daily system monitoring, verifying the integrity and availability of all hardware resources.Ensure daily backup operations are performed.Create, change, and delete user accounts per request as necessary.Investigate and troubleshoot issues.Repair and recover from hardware or software failures.Perform ongoing performance tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory, and disk partitions as required.Work with database teams to resolve performance issues.Work on high availability (Cluster) implementation.