The "Skills Profile" section of my own CV/résumé reads:
Application Development Tools: Xpediter, File-AID
Databases / DB Tools: IMS/DB, VSAM, DB2
Hardware: IBM mainframes, IBM PC and compatibles
Operating Systems: OS/MVS, CMS, MS DOS, Windows
Programming Languages: C, C++, COBOL, PL/1, SQL, REXX
Other: ISPF, MVS JCL
so you might just put JCL under "other", as I have.
"You have sat too long for any good you have been doing lately ... Depart, I say; and let us have done with you. In the name of God, go!" -- what I say to a junior programmer at least once a day