- Strong understanding of Cobol programming language and its syntax
- Experience working in a mainframe environment, including knowledge of JCL, TSO, and ISPF
- Familiarity with mainframe operating systems (e.g., z/OS) and hardware components
- Experience with debugging tools and techniques for Cobol applications
- Excellent problem-solving and analytical skills
- Ability to work independently and as part of a team
- Strong communication and interpersonal skill
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