Senior Mainframe Developer — COBOL & Modernization

Compunnel, Inc.

Pittsburgh, Northern (Allegheny County, KY)

Hybrid

USD 120,000 - 180,000

Full time

40 hours ago

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Job summary

Compunnel, Inc. is seeking an experienced Mainframe Developer to support analysis, development, maintenance, and modernization in enterprise mainframe environments. You will work with COBOL, DB2, VSAM, JCL, and CICS, analyze legacy apps, and contribute to modernization strategies.

Responsibilities include batch processing, job scheduling with Control-M, debugging, and collaboration on integrations with distributed systems. Strong debugging and SDLC/Agile experience are required.

Qualifications

10+ years with mainframe technologies including COBOL, DB2, VSAM, JCL and CICS.
Experience with batch processing, job scheduling, and production support.
Proficiency with Control-M or similar enterprise scheduling tools.
Experience debugging with mainframe tools like Xpediter, File-AID, Abend-AID.

Responsibilities

Analyze legacy mainframe applications to identify dependencies and optimization opportunities.
Design, develop, test, and maintain COBOL, DB2, and CICS-based apps.
Develop and manage JCL jobs supporting batch processing and scheduling.
Collaborate with teams for integrations with distributed systems and APIs.
Troubleshoot production issues and perform root-cause analysis.
Prepare technical documentation and support QA/UAT/deployments.