Senior Mainframe Developer: COBOL, CICS, IMS/DB (Onsite)

Machine Learning Technologies, LLC; Jersey City (NJ); On-site; USD 120,000 - 180,000; Full time

Job summary

Machine Learning Technologies, LLC is seeking an experienced Mainframe Developer in Jersey City, NJ. The role requires 10+ years of hands-on COBOL, IMS/DB, IMS/DC, and CICS expertise within a banking environment. Strong IBM z/OS knowledge and batch processing skills are essential.

Onsite 5 days a week in Jersey City, you will develop, maintain, and support enterprise mainframe applications, ensuring reliability, performance, and data integrity across critical systems.

Qualifications

• 10+ years of mainframe development experience.
• Strong proficiency in COBOL and IBM z/OS environments.
• Hands-on experience with IMS/DB, IMS/DC, CICS, and JCL.

Responsibilities

• Develop, maintain, and enhance mainframe applications using COBOL.
• Work with IMS databases (IMS/DB, IMS/DC) and CICS transaction processing.
• Write and maintain JCL scripts for batch processing.
• Troubleshoot issues in IBM z/OS environments and support data set management.
• Ensure reliability, performance, and data integrity of mainframe systems.
• Collaborate with development, testing, and production support teams.
• Follow established mainframe development standards and procedures.

Skills

Mainframe development

COBOL

IBM z/OS

IMS/DB

IMS/DC

CICS

JCL

Data security

Batch processing

Production support

Job description

Machine Learning Technologies, LLC is seeking an experienced Mainframe Developer in Jersey City, NJ. The role requires 10+ years of hands-on COBOL, IMS/DB, IMS/DC, and CICS expertise within a banking environment. Strong IBM z/OS knowledge and batch processing skills are essential.

Onsite 5 days a week in Jersey City, you will develop, maintain, and support enterprise mainframe applications, ensuring reliability, performance, and data integrity across critical systems.