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TC
Tata Consultancy Services Limited
Mainframe Production Support
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Job Description
Mainframe Technologies IBM z/OS
TSO/ISPF JCL
(Job Control Language) VSAM (KSDS, ESDS, RRDS)SDSF RACF
security concepts Programming Languages, COBOL, CICS, PL/I (optional in some environments), REXX scripting Database SkillsDB2, SQL
Queries, Stored Procedures, Performance tuning basics, IMS DB (if applicable) Batch Processing Job scheduling and monitoring, CA7, Control-M, ESP, Autosys or Tivoli Scheduler, Batch failure analysis and recovery File Management- GDG files
- Flat files
- File transfers (
Connect:
Direct, NDM, FTP/SFTP)- File reconciliation Incident & Problem Management
- ServiceNow
- Remedy
- Jira
- Root Cause Analysis (RCA)
- Production Incident Management Monitoring Tools
OMEGAMON
- Mainview
- Splunk
- AppDynamics
- Dynatrace (where integrated) Roles and Responsibilities
- Monitor daily batch jobs and online transactions.
- Analyze and resolve production incidents.
- Support Severity 1 (Critical) and Severity 2 incidents.
- Perform job restarts and reruns.
- Analyze abends and failures.
- Coordinate with infrastructure, application, and business teams.
- Provide on-call support.
- Conduct Root Cause Analysis and prepare incident reports.
- Support releases and production deployments.