Skills include thorough knowledge of Mainframe Technologies such as Cobol, CA7, CICS, DB2, JCL, JES2, TSO, and MVS Utilities, with the ability to read/understand Java code and familiarity with newer technologies like AWS. Strong skills in CA7 scheduling, problem diagnosis using system dumps and trace analysis, and knowledge of DB2, network protocols (TCP/IP, VTAM), and network monitoring are required.