Mainframe Operations Specialist

1 day ago


Singapore A-IT SOFTWARE SERVICES PTE LTD Full time
Job Summary

A-IT SOFTWARE SERVICES PTE LTD is seeking a highly skilled Mainframe Operations Specialist to join our team. As a key member of our operations team, you will be responsible for managing the Bank Critical Mainframe Batch and Console Operations for Production, Development, PAT and DR Environment.

Key Responsibilities
  • Route job listings to Development Environment for SME to troubleshoot and resolve issues in a timely manner.
  • Monitor and respond to System and Batch Console Messages for any abnormalities, ensuring minimal downtime and optimal system performance.
  • Restart Sub-systems, including CICS and OPC, to maintain system stability and efficiency.
  • Re-run, Bypass, Hold, Prioritize, or Cancel batch jobs in OPC to meet business requirements.
  • Schedule Batch Jobs via OPC to ensure timely execution and minimize delays.
  • Monitor resource contention, including dataset and tape resources, to optimize batch job performance.
  • Download new configuration items to ATM Machines to ensure seamless integration and functionality.
  • Monitor ATM Partner Links to ensure secure and reliable communication.
  • Start or Stop batch initiators to adjust batch concurrency based on operation hours and business needs.
  • Restore EOS Reports as per instructions from Business Users to maintain data integrity and accuracy.
  • Cancellation of Changeman Deployment Packages to ensure smooth deployment and minimize disruptions.
  • Purging of hung CD processes to maintain system stability and prevent data loss.
  • Achieve Job Listings to Tape Resources to ensure efficient data storage and retrieval.
  • Daily start-up of DR Environment to verify DR replicated image from Production and ensure business continuity.
  • Escalate to SME or Command Center promptly for Batch Job Failure or Critical Checkpoint Job missed to ensure timely resolution and minimize impact.
  • Perform Regular Infra and Application Health-Checks to identify and address potential issues before they become major problems.
  • Monitor System Resources, including Jess Pool, CPU Utilization, CICS Max Tasks, Long Running Transactions, and Jobs, to optimize system performance and prevent bottlenecks.
  • Generate System Monitoring Reports to provide insights and recommendations for process improvements.
Requirements
  • Tape expertise
  • COBOL programming skills
  • Experience with Mainframe systems
  • System Monitoring skills
  • Batch Processing expertise
  • ATM systems knowledge
  • ATM Networks understanding
  • CICS expertise
  • Checkpoint knowledge


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