Mainframe Developer Production Support only w2

Mainframe Production Support

Malvern, PA

6 Months

Only w2

We are seeking a Mainframe Production Support professional to maintain, monitor, and support batch processing operations across our mainframe environment.

This role requires strong hands-on expertise in COBOL, DB2, and JCL, with responsibility for day-to-day batch execution, issue resolution, and ongoing maintenance of existing mainframe applications.

Working knowledge of Java is a plus, particularly for teams supporting hybrid mainframe/modernized environments.

Key Responsibilities

Execute, monitor, and troubleshoot daily/nightly batch jobs using JCL, ensuring successful completion within SLA windows Provide production support for mainframe applications, including incident triage, root cause analysis, and timely resolution of production issues Maintain and enhance existing COBOL programs to fix defects, implement small changes, and support ongoing business requirements Monitor DB2 database jobs, resolve data issues, and support database-related batch processing Perform job scheduling, restart/rerun of failed batch jobs, and coordinate with scheduling tools (e.g., Control-M, CA7, or equivalent)

Respond to and resolve production incidents, including on-call/off-hours support as needed for critical batch cycles Document runbooks, known issues, and resolution steps to support consistent production operations Collaborate with application, database, and infrastructure teams to identify recurring issues and drive permanent fixes Support month-end, quarter-end, and year-end batch cycles, including additional monitoring during peak processing periods Participate in change management and release activities affecting batch and production environments

Required Qualifications 8+ years of hands-on experience with COBOL, DB2, and JCL in a production support capacity Strong understanding of mainframe batch processing, job scheduling, and z/OS environments Experience with incident management, root cause analysis, and production troubleshooting

Familiarity with job scheduling tools (Control-M, CA7, Zeke, or similar) Ability to work under pressure during critical batch windows and production incidents Strong communication skills for coordinating across technical and business teams Preferred Qualifications Working knowledge of Java, particularly useful for teams operating in hybrid mainframe/modernized environments

Experience with ITSM tools (ServiceNow, ITIL processes) for incident and change management

Exposure to mainframe modernization or migration initiatives Familiarity with monitoring tools for batch job alerting and performance

Regards,

Vikram Raj

I

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