Mainframe Developer - COBOL/CICS/DB2, Onsite in Torrance

Delta Computer Consulting, Inc.; Los Angeles (CA); On-site; USD 81,000 - 91,000; Full time

Benefits offered by this job

Health Insurance

Vision Insurance

Dental Insurance

Life Insurance

401k

Continuing education

Job summary

Delta Computer Consulting, Inc. is seeking a Mainframe Developer to support loan and lease servicing systems in an automotive finance environment.

The role focuses on COBOL-based development, batch processing optimization, and production issue troubleshooting across mission-critical systems. The candidate will work with IBM mainframe technologies (COBOL, CICS, DB2, MQ, JCL) and participate in development, testing, and deployment of system enhancements.

Qualifications

• Strong experience with IBM mainframe technologies (COBOL, CICS, DB2, MQ, JCL).
• Experience supporting and troubleshooting batch and online systems.
• Experience performing impact analysis across multiple applications.
• Experience with production support and issue resolution.
• Strong analytical and problem-solving skills.
• Ability to work in a fast-paced, enterprise environment.

Responsibilities

• Develop and maintain mainframe applications supporting loan and lease servicing systems.
• Provide production support, including troubleshooting online and batch abends.
• Participate in development, testing, and deployment of system enhancements.
• Work with IBM mainframe technologies including COBOL, CICS, DB2, MQ, and JCL.
• Evaluate and optimize batch processing to improve performance and reduce processing windows.
• Support both online transaction processing and batch environments.
• Perform impact analysis across multiple systems and platforms.
• Research and resolve production issues in a timely manner.
• Support root cause analysis and long-term fixes.
• Create and maintain documentation for estimates, design, and development.
• Follow established testing practices including unit testing and validation.
• Provide off-hours support for production batch processes as needed.

Skills

COBOL

CICS

DB2

MQ

JCL

Job description

Delta Computer Consulting, Inc. is seeking a Mainframe Developer to support loan and lease servicing systems in an automotive finance environment.

The role focuses on COBOL-based development, batch processing optimization, and production issue troubleshooting across mission-critical systems. The candidate will work with IBM mainframe technologies (COBOL, CICS, DB2, MQ, JCL) and participate in development, testing, and deployment of system enhancements.