Production support Jobs in Old toronto, ON

Role : Mainframe Production SupportLocation : Toronto, ONFulltimeJob Summary : We are seeking a skilled and detail-oriented Mainframe Production Support Specialist to maintain, monitor, and troubleshoot mainframe systems in a high-availability environment. The ideal candidate will work closely with IT teams to ensure seamless operations, address technical issues promptly, and minimize downtime.Key Responsibilities : Monitoring and Maintenance : Monitor mainframe system performance and ensure uptime meets Service Level Agreements (SLAs).Perform regular system health checks, backups, and routine maintenance tasks.Incident and Problem Management : Provide Level 1 and Level 2 support for mainframe systems, addressing issues related to batch jobs, application failures, or performance bottlenecks.Analyze and resolve production incidents, escalating to Level 3 or vendor support when necessary.Perform root cause analysis (RCA) and document findings to prevent recurring issues.Batch Job Management : Schedule, monitor, and troubleshoot batch jobs using tools like CA-7, Control-M, or equivalent.Resolve job failures by debugging JCL (Job Control Language) or identifying issues in associated programs or datasets.Change Management : Coordinate with development and QA teams to implement application or system changes in production.Review and approve production changes to ensure minimal impact on operations.Documentation and Reporting : Maintain accurate and up-to-date documentation, including runbooks, incident logs, and system configurations.Generate periodic performance and downtime reports for management.Collaboration : Work with cross-functional teams to resolve complex system issues.Participate in on-call rotations for after-hours and weekend support.Required Qualifications : Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).5+ years of experience in mainframe production support or a similar role.Proficiency in mainframe technologies such as COBOL, JCL, VSAM, DB2, CICS, and IMS.Familiarity with tools like CA-7, Control-M, Tivoli, or BMC.Strong understanding of ITIL practices, especially Incident, Problem, and Change Management.Excellent troubleshooting, analytical, and communication skills.Preferred Qualifications : Experience with modernization initiatives or integrating mainframes with distributed systems.Knowledge of REXX or other mainframe scripting languages.Certification in ITIL or relevant mainframe technologies.Work Environment : Rotational on-call support required.Must thrive in a fast-paced production environment with strict SLAs.