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Niche mainframe skills reduce applicant pool, but mid-level experience and metro location increase competition.
Mainframe storage expertise is highly domain-specific and not easily transferable across industries.
Explicit 5+ years and mandatory z/OS, DFSMS, GDPS skills make shortlisting highly strict.
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Manage z/OS DASD storage in SMS-managed environments including capacity planning, volume balancing, and space management tasks like VTOC resizing and dataset cleanup.
Administer DFSMS/DFSMShsm storage groups, ACS routines, migration, backup, and recovery operations.
Oversee backup, recovery, disaster recovery processes and manage Copy services / GDPS while prioritizing and resolving client ticket queues.
5+ years of experience managing z/OS DASD storage in SMS-managed environments.
Experience administering DFSMS / DFSMShsm including storage group and ACS routine management.
Proficiency in backup/restore procedures, capacity monitoring, and disaster recovery for mainframe storage.
Work Experience Required: 5+ years in mainframe storage administration.
Experienced in IBM z/OS products such as TSO/Utilities, JCL, SDSF, IDCAMS, GDPS, and CA Products.
Able to recommend modernization strategies and identify new business opportunities within mainframe environments.
Capable of managing a support queue, prioritizing tasks, and collaborating with technicians and stakeholders in large enterprise client settings.