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Hallmark Global Technologies Inc Logo
Senior Mainframe Developer

Hallmark Global Technologies Inc

 

Jersey City, NJ, USA

Posted On: 30+ days ago
Experience: 12+ years
Availability: Onsite
Openings: 1
Category: Mainframe Developer
Tenure: Contract - Corp-to-Corp
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Description

Own the development, maintenance, and modernization of legacy COBOL-based mainframe applications.

This role is on-site.

Responsibilities

  • Design, develop, test, and maintain COBOL applications and JCL jobs for batch processing.
  • Perform code screening, analysis, and reverse engineering to identify dependencies and refactoring opportunities.
  • Manage job automation and monitoring using CCS, Control-M, or similar scheduling tools.
  • Troubleshoot production issues, identify root causes, and implement fixes while ensuring security and performance standards.
  • Support QA/UAT cycles, document technical specifications, and collaborate on integration with distributed systems or APIs.

Required Skills

  • 12+ years of experience in Mainframe development.
  • Strong hands-on proficiency with COBOL and JCL.
  • Experience with DB2, CICS transaction processing, and VSAM utilities.
  • Proven experience in code analysis, reverse engineering, and refactoring legacy systems.
  • Familiarity with CCS, Control-M, or enterprise job scheduling tools.
  • Ability to work independently and troubleshoot high-volume transaction systems.

Preferred Skills

  • Basic understanding of system integration concepts (APIs, middleware, web services).
  • Exposure to mainframe modernization initiatives or distributed systems.
  • Familiarity with DevOps practices for mainframe environments.

Education

Bachelor's degree

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