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Mainframe Developer
Chandler, AZMarch 25th, 2026
Optomi, in partnership with one of our most exciting clients, is seeking a talented developer to join their team! This client is looking for candidates with any sort of mainframe experience!MUST BE ABLE TO WORK ON W2 WITHOUT SPONSORSHIP!What the right candidate will enjoy:Delivering industry-leading software products!A LONG TERM opportunity with growth potential!Working on cutting-edge technology!A collaborative work environment!Competitive pay and growth opportunities!Desired Skills:5+ years of mainframe experienceStrong hands-on knowledge of z/OS, JES2/JES3, TSO/ISPF, SDSF, USS/OMVS, SMP/EPractical experience with DB2, CICS, IMS, IBM MQProduction control experience with Control M, CA 7, ESP/AutosysStorage fundamentals: DFSMS, DFSMShsm, ICF catalog/IDCAMS, DASD/tape operationsProficiency with monitoring and performance analysis (RMF/SMF, OMEGAMON)Familiarity with RACF/ACF2/Top Secret conceptsSolid understanding of ITIL processesJob Nice to Haves:Experience with Parallel Sysplex, GDPS, XCFAdvanced tuning skills for DB2 buffer pools, CICS regions, IMS databases, MQ channels/queuesExposure to z/OSMF, Ansible for z/OS, ZoweKnowledge of networking on z/OS (TCP/IP stacks, VTAM/SNA)Scripting/programming: REXX, Assembler basics, COBOL reading, Python on USSExperience with capacity planning and cost optimizationBackground in regulated/enterprise environmentsJ-18808-Ljbffr
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