Manage and monitor all installed systems and infrastructure.Install, configure, test and maintain operating systems, application software and system management tools.Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes.Maintain security, backup, and redundancy strategiesWrite and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasksParticipate in the design of information and operational support systemsProvide 2nd and 3rd level supportLiaise with vendors and other IT personnel for problem resolution