Mainframe Developer (W2 only)

Role: Mainframe Developer

Location: Malvern, PA

Duration: 3+ months (Contract to Hire)

Mainframe Production Support professional to maintain and support batch processing across the mainframe environment. Requires hands-on experience with COBOL, DB2, and JCL, plus working knowledge of Java a strong plus for hybrid environments.

Key Responsibilities

• Execute, monitor, and troubleshoot daily/nightly batch jobs to meet SLA windows

• Provide production support, including incident triage, root cause analysis, and resolution

• Maintain and enhance COBOL programs for defect fixes and small changes

• Support DB2 batch processing and resolve data issues

• Manage job scheduling, restarts/reruns, and coordination with tools like Control-M or CA7

• Support critical production incidents, including on-call/off-hours coverage

• Document runbooks, known issues, and resolution steps

• Partner with application, database, and infrastructure teams to drive permanent fixes

• Support month-end, quarter-end, and year-end batch cycles

• Participate in change management and release activities

Required Qualifications

• 8+ years of experience in mainframe production support with COBOL, DB2, and JCL

• Strong knowledge of batch processing, job scheduling, and z/OS

• Experience with incident management, RCA, and production troubleshooting

• Familiarity with scheduling tools such as Control-M or CA7

• Strong communication and ability to work under pressure

Preferred Qualifications

• Java experience

• ITSM/ServiceNow and ITIL familiarity