Description

You will serve as the subject matter expert for IBM z/OS mainframe storage environments, ensuring subsystem availability and integrity.

This role is remote.

Responsibilities

• Administer DFSMShsm for backup, migration, recall, and recovery operations.
• Manage DASD allocation, performance tuning, and space management using SMS and non-SMS techniques.
• Oversee Virtual Tape Library (VTL) environments, including IBM TS7700 solutions.
• Support and refine replication strategies for business continuity and Disaster Recovery restoration.
• Troubleshoot and resolve storage-related issues across test, development, and production LPARs.

Required Skills

• 10+ years of progressive experience as a z/OS Systems Programmer focused on enterprise storage.
• Expert knowledge of DFSMShsm, SMS, IDCAMS, ICKDSF, ICF catalogs, and DFSMS utilities.
• Hands-on experience with IBM TS7700 Virtual Tape Systems and tape management procedures.
• Advanced skills in DASD storage administration (HPE XP8, IBM DS8K, or equivalent).
• Proven expertise in replication technologies and Disaster Recovery restoration for large-scale mainframe environments.
• Strong knowledge of JCL, Rexx, Clist, and automation tools for storage operations.
• Familiarity with RACF security policies and ICSF encryption at rest.
• Experience working with vendors (IBM, HPE, Kyndryl) on hardware lifecycle and support escalations.

Preferred Skills

• Bachelor’s degree in Computer Science, Information Systems, or related field.

Key Skills

Education

Bachelor's degree