Mainframe application development meets production support in Toronto, with expertise in COBOL, JCL, DB2, and CICS. This onsite role supports reliable systems.
As an Application Developer with Atos, you will monitor and support Mainframe production environments. The work centers on troubleshooting failures, managing batch operations, and handling ServiceNow tickets. You will also coordinate with cross-functional teams during incidents and critical situations.
Key Responsibilities: Monitor Mainframe production environments for reliability and uptime
Analyze and resolve job failures, abends, and performance issues
Execute batch jobs and resolve scheduling conflicts
Handle ServiceNow tickets and CNTLM-related activities
Coordinate incident responses with cross-functional teams
Requirements: Six-plus years of relevant Mainframe technology experience
Robust COBOL, JCL, DB2, CICS, and IMS DB expertise
Experience with Control-M and ServiceNow
Strong analytical and problem-solving skills
Flexibility for shifts and critical escalations
Apply Mainframe development, production support, and troubleshooting expertise to critical digital environments with Atos in Toronto.

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📌 Mainframe Application Developer Toronto (Ontario)
🏢 MainframeMaster
📍 Ontario