Mainframe Developer

2 weeks ago

Wilmington, DE, United States Purple Drive Full time
Skills: COBOL, JCL, CICS, IMS DB, VSAM

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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