Design, develop, modify, test, and support mainframe applications using PL/I

Work on application maintenance, production support, enhancements, and defect resolution

Analyze existing mainframe programs and business logic written in PL/I and COBOL

Support online transaction processing applications using CICS

Work with Datacom DB for data access, queries, analysis, and troubleshooting

Perform impact analysis for change requests, incidents, and application enhancements

Debug and resolve technical issues across batch and online mainframe environments

Prepare technical specifications, unit test plans, and implementation documentation

Collaborate with business analysts, QA teams, application teams, and production support teams

Participate in code reviews, system testing, regression testing, and production deployments