Senior Mainframe Engineer - COBOL/DB2 & Modernization

Acute Talent; Jersey City (NJ); On-site; USD 120,000 - 160,000; Full time

Job summary

Acute Talent seeks an experienced Senior Mainframe Developer in New Jersey to support critical applications. You will analyze legacy systems, enhance performance, and participate in modernization and integration initiatives.

Key tasks include analyzing dependencies, designing and maintaining COBOL-based solutions, developing JCL for batch jobs, and ensuring robust DB2, VSAM, and CICS integration with existing systems.

Qualifications

• Experience in mainframe development and modernization initiatives.
• Strong hands-on COBOL/JCL/DB2/VSAM/CICS expertise.
• Proven ability to analyze legacy systems and optimize performance.

Responsibilities

• Analyze existing mainframe applications to identify dependencies and inefficiencies.
• Design, develop, test, debug, and maintain COBOL-based applications.
• Develop and maintain JCL scripts for batch processing and job execution.
• Work with DB2 databases, including SQL, stored procedures, and tuning.
• Develop and maintain VSAM files and data processing routines.
• Support CICS transaction processing and integration with existing apps.
• Monitor batch jobs using enterprise scheduling tools like Control‑M/CCS.
• Troubleshoot production issues, perform root-cause analysis, implement fixes.
• Participate in modernization, refactoring, and integration initiatives.
• Collaborate with analysts, QA, architects, and cross-functional teams.
• Support system testing, QA/UAT, release management, and production deployments.

Skills

Mainframe

COBOL

JCL

DB2

VSAM

CICS

Production Support

Performance Tuning

Tools

Control-M

CCS

Job description

Acute Talent seeks an experienced Senior Mainframe Developer in New Jersey to support critical applications. You will analyze legacy systems, enhance performance, and participate in modernization and integration initiatives.

Key tasks include analyzing dependencies, designing and maintaining COBOL-based solutions, developing JCL for batch jobs, and ensuring robust DB2, VSAM, and CICS integration with existing systems.