Sr. Mainframe Developer
Global Commerce & Information, Inc. · Posted Nov 11, 2026
- Woodlawn, Maryland, United States
- On-site
- Full-time · Senior
- 7–13 years
Develop and maintain COBOL, REXX, JCL, CLIST, CICS, IDMS, and DB2 code and database structures in accordance with client standards and software engineering best practices.
Compensation
Global CI offers competitive compensation and non-salary benefits to all eligible employees.
Responsibilities
- Develop and maintain COBOL, REXX, JCL, CLIST, CICS, IDMS, and DB2 code and database structures
- Use mainframe utilities and diagnostic tools
- Perform unit testing and validate results against expected outcomes
- Assess how database schema changes affect existing software components
- Diagnose and resolve application defects involving COBOL, CICS configurations, IDMS, DB2, business logic, and databases
Requirements
- Master's
- Bachelor's
- Nice to have: SDLC in legacy development environment
- Nice to have: Modern development tools
- Nice to have: AI tools