Senior Mainframe Developer - COBOL, DB2, MQ & CICS

Realign Llc; Jersey City (NJ); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Discretionary Annual Incentive

Medical Coverage

Dental & Vision

Job summary

Realign Llc in Jersey City, New Jersey is seeking an experienced Mainframe application developer to design, develop, and maintain COBOL, DB2, JCL, CICS, VSAM, and MQ-based online and batch solutions. The role requires 5–7 years of hands-on mainframe experience and strong debugging skills.

The ideal candidate will work with cross-functional teams in an Agile environment, ensuring high-quality production delivery and performance tuning. Financial services experience is a plus.

Qualifications

• 5–7 years of mainframe app development and support.
• Strong COBOL LE, DB2, JCL, CICS, VSAM, and online/batch programming.
• Experience with MQ in CICS/COBOL and Batch/COBOL.
• Knowledge of ENDEVOR, TMON, and BMC MainView desirable.
• Strong analytical and troubleshooting skills.
• Excellent oral and written communication.
• Financial Services experience desirable but not required.

Responsibilities

• Design, develop, enhance, and maintain Mainframe applications using COBOL, DB2, JCL, CICS, VSAM, and MQ.
• Develop and support online and batch processing applications.
• Implement changes following established development standards.
• Perform impact analysis, coding, testing, and deployment tasks.
• Develop and support MQ-based integrations using CICS/COBOL and Batch/COBOL.
• Troubleshoot and resolve DB2, MQ, and CICS issues.
• Conduct root cause analysis and implement long-term solutions.
• Optimize performance with monitoring tools.
• Collaborate with analysts, developers, testers, and support teams.
• Participate in code reviews, testing, release management, and production support.
• Maintain technical documentation and governance compliance.
• Participate in Agile ceremonies and continuous improvement.

Skills

Mainframe development

COBOL

DB2

CICS

JCL

VSAM

MQ

Debugging

Tools

ENDEVOR

TMON

BMC MainView

File Manager

IBM Debug Tool

Job description

Realign Llc in Jersey City, New Jersey is seeking an experienced Mainframe application developer to design, develop, and maintain COBOL, DB2, JCL, CICS, VSAM, and MQ-based online and batch solutions. The role requires 5–7 years of hands-on mainframe experience and strong debugging skills.

The ideal candidate will work with cross-functional teams in an Agile environment, ensuring high-quality production delivery and performance tuning. Financial services experience is a plus.