Mainframe Developer

Overview

On Site
Depends on Experience
Accepts corp to corp applications
Contract - Independent
Contract - W2
Contract - 12 Month(s)

Skills

IBM IMS
Java
Mainframe
JCL
CICS
COBOL
VSAM

Job Details

Role: Mainframe Developer with IMS

Location: Wilmington, DE

Duration: Contract

 

Key Responsibilities:

  • Design, code, test, and maintain mainframe applications using COBOL, JCL, DB2, IMS DB/DC, CICS, VSAM, and IBM MQ.
  • Develop and support batch and online processes, including job streams, transaction systems, and message-driven programs.
  • Analyze business requirements and translate them into technical specifications.
  • Participate in the full software development lifecycle (SDLC) including design, development, testing, deployment, and support.
  • Troubleshoot application issues and provide timely resolutions, including root cause analysis and corrective action planning.
  • Optimize mainframe code and database access for performance and scalability.
  • Work with system analysts, QA testers, and infrastructure teams to ensure system integrity and quality.
  • Maintain accurate and up-to-date documentation of technical designs, codebases, and processes.
  • Support production jobs and on-call troubleshooting as required.

Required Skills & Qualifications:

  • Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience).
  • 3–8 years of hands-on experience with the following mainframe technologies:

o            COBOL (batch and online)

o            JCL (Job Control Language)

o            CICS (Customer Information Control System)

o            DB2 and/or IMS DB

o            VSAM (Virtual Storage Access Method)

o            IMS DC (Transaction Management)

o            IBM MQ (Message Queueing)

  • Familiarity with tools such as TSO/ISPF, File-AID, Abend-AID, and version control (e.g., Endevor or Changeman).
  • Strong analytical and debugging skills.
  • Ability to work independently and in a team environment.
  • Good communication skills for collaboration with business analysts and QA teams.

Preferred Qualifications:

  • Experience with mainframe modernization or integration with distributed/cloud systems.
  • Familiarity with DevOps practices or tools in the mainframe environment.
  • Exposure to agile delivery methodologies.
  • Experience in banking, insurance, or other high-volume transaction systems.
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