1.
SCOPEOFWORK&PURPOSE
TheContractorshallprovidededicated,hands-onseniortechnicaladministrationandoperationalsupportfortheenterpriseIBMz/ OS mainframe storage ecosystem. The Contractor is responsible for maintaining high availability, capacity health, performance, dataintegrity,anddisasterrecoveryreadinessacrossenterpriseDirectAccessStorageDevices(DASD),automatedphysicaltape libraries, and virtual tape subsystems.
2.
DETAILEDTECHNICALRESPONSIBILITIES
2.1. DASDAdministration&CapacityManagement
- Monitoring&Allocation:Monitor,administer,allocate,andmanagemainframeDASDresourcesacrossallSMSstorage groups, volumes, and user pools.
- Capacity&UtilizationAnalytics:Performcontinuouscapacityforecasting,utilizationtracking,availabilityverification,andI/O performance monitoring to avert space exhaustion.
- SpaceIncidentResolution:InvestigateandresolveDASD-relatedallocationfailures,out-of-spaceabends(SB37,SD37, SE37), abnormal catalog states, and volume fragmentation.
- VolumeLifecycleSupport:Executevolumeinitialization,pooladditions,datamigration,volumeconsolidation, defragmentation, and decommission activities.
- WorkloadSafeguarding:Proactivelyidentifyandeliminatestoragebottlenecksthatmaydegradeonlinesystems(CICS,DB2), production databases, or critical batch cycles.
2.2. EnterpriseTape&IBMSL4000TapeLibraryOperations
- TapeInfrastructureSupport:Maintainenterprisetapeoperations,catalogretentionrules,andphysicallibraryhardwarehealth.
- IBMSL4000Administration:Monitor,manage,andauditIBMSL4000automatedtapelibraryenvironments(orequivalent enterprise tape platform).
- Hardware&MountTroubleshooting:Investigateandresolvetapemounttimeouts,missing/unassignedvolumes,mediaread/ write errors, robotic arm faults, and drive hardware degradation.
- OEMVendorCoordination:Coordinatetapehardwarefailures,drivereplacements,firmwareupdates,andscheduled maintenance with internal infrastructure teams and OEM service vendors.
2.3. LuminexMainframeVirtualTape(MVT)&CGXAdministration
- VirtualTapePlatformSupport:Administer,monitor,andtroubleshootLuminexMainframeVirtualTape(MVT)systemsand Channel Gateway (CGX) components.
- Throughput&TelemetryOversight:Monitorchannelavailability,virtualdrivestates,backendSAN/NASstoragecapacity,data transfer throughput, and system error logs.
- OperationalTooling(LTMon):LeverageLuminexoperationaltooling(LTMonorequivalentutilities)formessageauditing, telemetry analysis, and channel health diagnostics.
- Replication&DRTesting:MonitorLuminexreplicationlinks,virtualtapesynchronizationhealth,recoveryreadiness,and participate in formal enterprise DR simulations.
- MediaLifecycle&Retention:Managevirtualscratchpools,VOLSERranges,retentionpolicies,andmaintainseamless coexistence with physical tape operations.
- OEMSupport&ConfigurationGovernance:Coordinatepatching,microcodeupdates,andincidentresolutionwithLuminex Technical Support; maintain architecture diagrams, inventories, configuration records, and operational runbooks.
- RiskAnalysis:Continuouslyassesssinglepointsoffailure,channellatency,backendstoragesaturation,andreplication backlog risks, recommending mitigation plans.