A well-established enterprise technology organization is seeking a Mainframe z/OS Systems Programmer to join its infrastructure team in Phoenix, Arizona.This is a full-time hybrid position requiring three days onsite per week. The environment includes IBM z/OS, RACF, JES2/JES3, REXX, NetView, DB2, CICS, IMS, MQ, and enterprise automation platforms that support mission-critical business operations. This opportunity is ideal for experienced mainframe professionals who enjoy solving complex infras