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DB2 Systems Programmer (Mainframe z / OS)

TECEZEChennai, Tamil Nadu, India

14 hours ago

Job description

Job Title : DB2 Systems Programmer (Mainframe z / OS)

Location : Chennai, Bangalore, Noida

Experience : 5-8 years

Work mode : Hybrid

Job Summary :

The DB2 Systems Programmer is responsible for installation, maintenance, and upgrade of IBM DB2 for z / OS subsystems, ensuring optimal performance, availability, and stability. Works with DB2 DBAs, z / OS Systems Programmers, and development teams.

Key Responsibilities :

DB2 Subsystem Management :

Plan and execute DB2 subsystem installations, upgrades, migrations (e.g., DB2 12 to DB2 13).
Apply DB2 maintenance (PTFs, APARs, SPEs) using SMP / E.
Configure and maintain DB2 PARMLIB, DSNZPARM.
Perform DB2 subsystem restarts (IPLs, Quiesce / Start).

DB2 Tool and Utility Support :

Install, configure, upgrade, maintain DB2 utilities (REORG, RUNSTATS, COPY, LOAD, UNLOAD).

Support ISV tools for DB2 (BMC, Broadcom / CA, IBM Admin Tool, IBM Data Studio).

Troubleshoot DB2 utilities and ISV tools.

Performance Monitoring and Tuning :

Monitor subsystem health and performance (Omegamon, DB2 PM, SMF, RMF).

Analyze performance data, recommend tuning improvements.

Assist DBAs and application teams in SQL optimization.

Problem Diagnosis and Resolution :

Provide expert-level support for DB2 incidents.

Analyze dumps, logs, traces; resolve issues.

Collaborate with IBM support and ISV vendors.

Participate in 24 / 7 on-call support.

Collaboration and Coordination :

Work with DB2 DBAs for requirements and guidance.

Collaborate with z / OS Systems Programmers on shared resources.

Liaise with application teams for DB2 changes and deployments.

Coordinate with operations for maintenance and incidents.

Automation and Scripting :

Develop and maintain JCL, REXX, CLISTs, and other scripts.

Disaster Recovery and Business Continuity :

Assist in planning, testing, execution of DR procedures.

Ensure high availability and recoverability.

Documentation and Best Practices :

Create and maintain documentation for installations, configurations, procedures.

Follow ITIL best practices for change, incident, problem management.

Security and Compliance :

Implement DB2 security best practices (RACF / ACF2 / Top Secret).

Ensure compliance with policies and regulations.

Required Skills and Experience :

5-8 years as Mainframe DB2 Systems Programmer.

Hands-on with DB2 for z / OS (installation, configuration, maintenance, migration).

Proficient in JCL, TSO / ISPF, SMP / E.

Experience with DB2 utilities (COPY, RECOVER, REORG, RUNSTATS, LOAD, UNLOAD).

Knowledge of DB2 ISV tools (BMC, Broadcom / CA, IBM Admin Tool, Omegamon).

Understanding of DB2 architecture, data sharing, buffer pool, logging.

Performance monitoring, tuning, problem diagnosis.

Ability to read DB2 dumps for problem determination.

Proficiency in REXX, CLISTs, or other scripting.

Familiarity with z / OS fundamentals (JES2 / JES3, SMS, VSAM).

Analytical, problem-solving, and communication skills.

Desired Skills :

Experience with Parallel Sysplex and DB2 Data Sharing.

Knowledge of IBM MQ, IMS, or CICS connectivity.

Experience with DB2 DDF and remote connectivity.

DB2 for z / OS certifications.

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Mainframe Programmer • Chennai, Tamil Nadu, India

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