IMS DBSA / IMS System Administrator (L3)

We are seeking an experienced IMS DBSA (IMS Database/System Administrator) to support enterprise IBM Mainframe environments. The ideal candidate will be responsible for installing, configuring, maintaining, troubleshooting, and supporting IMS/TM, IMS/DB, IMS MSC, and related z/OS infrastructure components. The role requires strong expertise in SMP/E maintenance, IMS database administration, dump analysis, IPCS, performance tuning, and Level-3 production support. Relevant skills align with enterprise mainframe environments involving IMS, z/OS, SMP/E, VTAM, TCP/IP, and third-party IMS tools. Key Responsibilities

• Install, configure, upgrade, and maintain IMS products in z/OS environments.
• Administer and support IMS/TM, IMS/DB, IMS MSC subsystems.
• Perform IMS software installation, maintenance, and upgrades using SMP/E.
• Analyze IMS system failures, dumps, and abends using IPCS.
• Troubleshoot complex production incidents and perform root cause analysis.
• Support IMS database design, recovery, reorganization, and performance tuning.
• Implement IMS maintenance, PTFs, and migration activities.
• Work closely with application teams supporting IMS COBOL and PL/1 applications.
• Monitor IMS performance and ensure system availability.
• Participate in disaster recovery testing and high-availability initiatives.
• Create and maintain operational procedures and technical documentation.

Required Skills Mainframe Technologies

• IBM z/OS / MVS
• IMS/TM
• IMS/DB
• IMS MSC
• IMS Database Physical Design

Tools & Utilities

• SMP/E
• IPCS
• BMC IMS Tools
• TSO/ISPF
• SDSF

Programming Languages

• COBOL
• PL/1
• JCL
• z/OS Assembler

Networking

• TCP/IP
• FTP
• VTAM

Administration

• IMS Installation & Configuration
• IMS Performance Tuning
• Dump Analysis
• Production Support
• Problem Determination & Resolution

Preferred Qualifications

• Experience with IMS migrations and version upgrades.
• Knowledge of Parallel Sysplex environments.
• Exposure to RACF security administration.
• Mainframe automation experience (REXX, NetView, OPS/MVS).
• Familiarity with DB2 and CICS environments.