
Job Summary:
We are seeking a skilled Mainframe Production Support Engineer to support critical enterprise applications in a 24/7 production environment. The ideal candidate will be responsible for monitoring, troubleshooting, and resolving production issues while ensuring system stability and SLA compliance.
Key Responsibilities:
Monitor daily batch jobs and online systems using tools like Control-M and SDSF
Troubleshoot and resolve production issues, abends, and job failures in a timely manner
Perform root cause analysis and implement permanent fixes for recurring issues
Provide L2/L3 support for mainframe applications
Work closely with development, QA, and infrastructure teams for issue resolution
Handle incident, problem, and change management through tools like ServiceNow or JIRA
Support deployment activities and validate post-production releases
Maintain documentation, runbooks, and standard operating procedures
Participate in on-call rotation and provide off-hours support when required
Required Skills:
Strong experience in COBOL, JCL, VSAM, DB2
Hands-on experience with TSO/ISPF, SDSF
Knowledge of job scheduling tools like Control-M / CA-7
Experience in handling production support (L2/L3)
Strong debugging and problem-solving skills