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Senior z/OS Systems Programmer - Mainframe Storage Specialist

DivIHN Integration Inc

 

Springfield, IL, USA

Posted On: 1 day ago
Experience: 10+ years
Availability: Hybrid
Openings: 1
Category: Mainframe z/OS Systems Programmer/Analyst
Tenure: Contract - Corp-to-Corp
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Description

You will lead storage specialist duties for IBM z/OS environments, ensuring subsystem availability and integrity.

This role is on-site.

Responsibilities

  • Administer DFSMShsm storage management, including backup, migration, recall, and recovery.
  • Manage DASD allocation, performance tuning, and space management using SMS and non-SMS techniques.
  • Oversee Virtual Tape Library environments, including IBM TS7700 and enterprise tape virtualization solutions.
  • Support and refine replication strategies for business continuity and Disaster Recovery restoration.
  • Troubleshoot 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, VTS replication, and tape management.
  • Advanced skills in DASD storage administration for enterprise subsystems (HPE XP8, IBM DS8K, or equivalent).
  • Proven expertise in replication technologies and Disaster Recovery restoration for large-scale mainframes.
  • Strong knowledge of JCL, REXX, CLIST, and automation tools for storage operations.
  • Familiarity with RACF security policies and ICSF encryption at rest.

Preferred Skills

  • Experience working with vendors (IBM, HPE, Kyndryl) on hardware lifecycle and support escalation.

Bachelor’s Degree in Computer Science, Information Systems, or related field, or equivalent professional experience.

Education

Bachelor's degree

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