Storage Systems Programmer

Job Description

• Responsible for the design, installation, configuration, optimization, and support of IBM z/OS storage subsystems

• Ensures high availability, performance, data integrity, and security of enterprise storage environments

• Focuses on efficient utilization and management of storage infrastructure across complex mainframe systems

Key Responsibilities

• Install, configure, and maintain IBM DFSMS, DFSMSdss, DFSMSrmm, DFHSM, and related components

• Manage IBM DS8000, TS7700 Virtual Tape Systems, and SAN hardware

• Configure SMS constructs, ACS routines, storage groups, and policies

• Administer tape management systems and virtual tape libraries

• Perform maintenance (PTFs), upgrades, and release migrations for storage and z/OS components

• Support disaster recovery planning, replication setups, FlashCopy, and Global Mirror activities

• Develop automation scripts using REXX, CLIST, ISPF, and JCL

• Manage catalog structures (master catalogs, user catalogs, ICFC catalog recovery)

• Analyze storage performance, utilization trends, and conduct capacity forecasting

• Implement RACF security for storage resources

• Maintain documentation, procedures, and support ITIL processes

Technical Skills

• Strong knowledge of IBM z/OS, DFSMS, DFHSM, DFSMSrmm, DFSMSdss, IDCAMS, IEBCOPY

• Expertise in enterprise storage systems such as IBM DS8000, EMC, or equivalent

• Proficiency in JCL, REXX, ISPF, SMP/E, and z/OS utilities

• Experience with Virtual Tape Systems (TS7700), tape encryption, and backup tools

• Knowledge of catalog structures, VSAM, PDSE, and dataset management

• Familiarity with monitoring tools such as OMEGAMON, MainView, and TMON