Zos Administrator

Job Overview

We are looking for an experienced Mainframe z/OS System Programmer / Administrator to manage and support enterprise IBM Mainframe environments. The candidate should have strong experience in z/OS administration, system maintenance, production support, troubleshooting, and high-availability infrastructure.

Key Responsibilities

• Manage and administer IBM z/OS operating systems and mainframe environments.
• Handle z/OS upgrades, software installation, maintenance, and SMP/E.
• Manage JES2/JES3 subsystems, spool operations, and batch processing.
• Perform L3 production support, incident management, troubleshooting, and root cause analysis.
• Manage Parallel Sysplex, coupling facilities, and system configurations.
• Handle disaster recovery, system replication, and storage redundancy.
• Work with RACF, REXX, JCL, TSO, and system automation tools.
• Support mainframe performance, availability, and operational stability.

Required Technical Skills

• Strong experience in IBM Mainframe and z/OS System Administration.
• Hands-on experience with SMP/E, JES2/JES3, and z/OS upgrades.
• Knowledge of Sysplex, CFRM, PARMLIB, and PROCLIB.
• Experience with RACF, TSO, REXX, and JCL.
• Knowledge of DB2 / DB2 for z/OS.
• Experience in production support and L3 troubleshooting.
• Exposure to mainframe storage, replication, and disaster recovery.

Good to Have

• Experience with CSM, CA View, and Flasher.
• Knowledge of Oracle Data Guard.
• Familiarity with CICS, IMS, IBM MQ, and z/OSMF.
• IBM z/OS System Administrator certification.

Skills

zos,, IBM DB2, Mainframe