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Posted August 23, 2026

Mainframe COBOL Developer

Computer Task Group, Inc
Indianapolis, IN, US Full Time

Job Description

Job Description

Overview

CTG is seeking to fill a Mainframe COBOL Developer position for our client.

Location: Indianapolis, IN

Duration: 12 months

Duties:

  • Develop, enhance, maintain, and support mainframe applications using COBOL.
  • Analyze business and technical requirements and translate them into effective application solutions.
  • Develop and modify batch and online programs in a mainframe environment.
  • Create, maintain, and troubleshoot JCL for application processing and job scheduling.
  • Work with VSAM and DB2 databases, including data access, updates, and troubleshooting.
  • Develop and support CICS transactions and online processing.
  • Perform unit testing, debugging, and production support activities.
  • Analyze application issues and identify root causes and corrective solutions.
  • Collaborate with business analysts, developers, testers, and other technical teams to deliver quality solutions.
  • Prepare and maintain technical documentation related to application changes and processes.

Skills:

  • Strong Mainframe COBOL development skills.
  • Hands-on experience with JCL.
  • Experience working with VSAM files and data structures.
  • Strong knowledge of DB2 databases and SQL.
  • Experience with CICS and online transaction processing.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Ability to work independently and collaboratively in a team environment.
  • Strong written and verbal communication skills.

Experience:

  • Experience developing and supporting applications in a mainframe environment.
  • Experience with COBOL, JCL, VSAM, DB2, and CICS.
  • Experience with application maintenance, enhancements, debugging, testing, and production support.
  • Experience working in a structured software development environment.

Education:

  • Bachelor’s degree in Computer Science, Information Technology, or a related field preferred.
  • Equivalent combination of education and relevant experience may be considered.

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.

To Apply:

To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you!

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