Contract Mainframe Developer - COBOL, CICS, DB2 in Edison

MACHINE LEARNING TECHNOLOGIES LLC

Edison (NJ)

On-site

USD 83,000 - 152,000

Full time

2 days ago

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Job summary

MACHINE LEARNING TECHNOLOGIES LLC in Edison, NJ is seeking a qualified Mainframe Developer for a 6-month engagement to design, develop and maintain enterprise applications using IBM z/OS, COBOL, JCL and DB2.

The ideal candidate will have hands-on experience with CICS, VSAM, Endevor/Changeman and batch processing, plus production support and debugging. Collaboration with business analysts, QA and architects is essential; US work authorization is required.

Qualifications

Experience with IBM Mainframe / z/OS environments.
Strong COBOL development and maintenance skills.
Experience with JCL scripting and batch processing.
DB2 and SQL proficiency for data access and tuning.
CICS online transactions and screen handling experience.
VSAM datasets and file management experience.
Experience with Endevor or Changeman source control.
Ability to work in an Agile environment with cross‑functional teams.
Production support and debugging capabilities.

Responsibilities

Design, develop, enhance, and maintain enterprise mainframe applications.
Develop and maintain COBOL programs for complex business requirements.
Create, modify, and execute JCL scripts for batch processing and job scheduling.
Work with DB2 databases, including SQL queries and tuning.
Develop and maintain CICS online transactions and screen processing.
Work with VSAM datasets (KSDS, ESDS, RRDS).
Analyze legacy applications and implement system enhancements.
Perform batch processing, job monitoring, scheduling, and troubleshooting.
Produce production support solutions for critical mainframe apps.
Identify and resolve defects, abends, and performance issues.
Perform code reviews, unit testing, and integration testing.
Work on mainframe modernization and legacy migrations.
Collaborate with business analysts, QA, architects, and cross‑functional teams.
Optimize COBOL programs and DB2 queries for performance.
Manage source code with Endevor or Changeman.
Support deployments, release management, and production implementations.
Prepare technical documentation and participate in Agile ceremonies.