Mainframe Developer

Covetus; Jersey City (NJ); On-site; USD 100,000 - 135,000; Full time

Job summary

Covetus is seeking a seasoned Mainframe Developer to design, develop, and maintain COBOL-based applications in a IBM z/OS environment. You will work with DB2, JCL, CICS, VSAM, and MQ to support online and batch processing and ensure high performance and reliability.

The role requires strong debugging, problem-solving, and communication skills, with experience in the Financial Services sector being a plus. Hybrid work options may apply in some cases.

Qualifications

• 5-7 years of experience in Mainframe application development and support.
• Strong hands-on experience in COBOL LE, DB2, JCL, CICS, VSAM, and Online/Batch programming.
• Experience developing and supporting applications using MQ with CICS/COBOL and Batch/COBOL.
• Strong background in IBM MQ and IBM WBE.
• Strong experience with DB2 development, SQL programming, and database performance tuning.

Skills

COBOL

DB2

JCL

CICS

VSAM

MQ

Online/Batch

Analytical thinking

Troubleshooting

Communication

Tools

COBOL LE

DB2

JCL

CICS

VSAM

MQ

IBM WBE

ENDEVOR

TMON

MainView

Job description

• 5-7 years of experience in Mainframe application development and support.
• Strong hands-on experience in COBOL LE, DB2, JCL, CICS, VSAM, and Online/Batch programming.
• Experience developing and supporting applications using MQ with CICS/COBOL and Batch/COBOL.
• Strong background in IBM MQ and IBM WBE.
• Strong experience with DB2 development, SQL programming, and database performance tuning.
• Experience with DB2 Stored Procedures is a plus.
• Strong skills in using File Manager and IBM Debug Tool.
• Knowledge of change management tools such as ENDEVOR is desirable.
• Knowledge of CICS analysis and performance tools such as TMON is desirable.
• Knowledge of DB2 performance monitoring tools such as BMC MainView is desirable.
• Strong analytical, troubleshooting, debugging, and problem-solving skills.
• Excellent oral and written communication skills.
• Experience in the Financial Services sector is desirable but not essential.
• Design, develop, enhance, and maintain Mainframe applications using COBOL, DB2, JCL, CICS, VSAM, and MQ.
• Develop and support both online and batch processing applications.
• Implement application enhancements, fixes, and production changes following established development standards.
• Perform impact analysis, coding, unit testing, integration testing, and deployment activities.
• Develop and support MQ-based integrations using CICS/COBOL and Batch/COBOL.
• Troubleshoot and resolve application, DB2, MQ, and CICS-related issues.
• Perform root cause analysis and implement long-term solutions for production incidents.
• Optimize application and database performance using available monitoring and performance analysis tools.
• Work closely with business analysts, developers, testers, and support teams to deliver high-quality solutions.
• Participate in code reviews, testing, release management, and production support activities.
• Maintain technical documentation and ensure compliance with development standards and governance processes.
• Participate in Agile ceremonies and contribute to continuous improvement initiatives.