Mainframe System AdministratorTech Tammina LLCJob DescriptionExperience in z/OS & ISV administrationExperience in CICS administration in z/OS platformExperience in MQ administration in z/OS platformInstalling & configuration of z/OS systemsPerforming system IPL and PORManaging and installing software products on z/OS systems using SMP/E (System Modification Program/Extended)Installation, configuration and administration of day to day support of CICS transaction ServerKnowledge and experience with: z/OS, TSO/ISPF, Cobol, CICS, JCL in mainframe environmentProvide on-call 24/7 incident response to z/OS issues from production monitoring tools, Command Center personnel and application development analystsCoordination with application and infrastructure teams on software dependencies and timing of implementationsOpen cases with vendors as necessary and apply PTFS as required to resolve issuesQualificationsExperience in LPAR managementManage mainframe storage & tape subsystemsExperience in TSO/ISPF, File Aid / File Manager, Expeditor/IBM Debugger and other MVS utilitiesPerform z/OS debugging and problem analysis, SVC dumpsPerformance tuning, regularly review, evaluate RMF dataReview system performance reports with scheduling, adjust MSU's as neededParticipate in disaster recovery exercise