Mainframe DB2 - Application Development

Mainframe DB2 - Application Development

Roles & Responsibilities:

Application Development:

• Analyze user requirements and design technical specifications for new features or applications.
• Write, test, and debug code in COBOL, PL/I, Assembly, etc., using tools like CICS and IMS.
• Develop and maintain batch jobs (JCL) and online transaction processing systems.

System Maintenance & Optimization:

• Troubleshoot and resolve complex issues in production environments.
• Optimize application performance, database efficiency, and system scalability.
• Perform code reviews to ensure quality and adherence to standards.

Collaboration & Support:

• Work with business analysts, project managers, and other IT teams (e.g., systems programmers).
• Provide technical support, documentation, and training for end-users.
• Participate in production support, including on-call rotations for 24/7 coverage.

Project & Lifecycle Management:

• Manage implementation planning and coordination for system changes.
• Create technical and functional documentation.
• Assist with disaster recovery planning and risk assessment.