• Data Center Operator

    Ensono (Detroit, MI)
    …throughput as well as batch and system task abend recovery for internal and external client MVS / ZOS environments. + 12 hour "quad" (3 on 4 off/4 on 3 off) shifts ... of Focus for this Role + Monitor and manage internal and external MVS zSeries environment to ensure production processing meets internal and external client agreed… more
    Ensono (08/20/25)
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  • Mainframe Z/OS System Admin -Remote

    Cognizant (Lansing, MI)
    …and IPL processes. . Install and maintain IBM and ISV products including OPS/ MVS , CA-1, CA-7, RACF, CA Sysview, Endevor, CA Netmaster, Strobe, FileAid, Abendaid, ... Xpediter, and BMC Suite. . Perform SMP/E-based software installation and patching. . Configure and support Z/OS Connect and related middleware. . Build and upgrade Mainframe LPARs and operating systems. . Maintain system parameters and parmlib configurations.… more
    Cognizant (08/30/25)
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  • Mainframe Systems Programmer - TSS

    Ensono (Detroit, MI)
    …apply._ **Required Qualifications** + Position requires 5 - 10 yrs. Supporting MVS z/OS system environments working with components, subsystems, and any attendant ... OEM products or ISV. + Candidates must possess a thorough understanding of mainframe operating system principals and subsystem components. + Team members must be able to work independently and take responsibility for system and subsystem recovery including… more
    Ensono (07/14/25)
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  • Senior Mainframe System Programmer (z/OS)

    Fiserv (Lansing, MI)
    …years of experience with JCL, UNIX Shell, IBM system utilities, zSeries, z/OS and MVS . + 6+ years of experience with software installation and customization. + 5+ ... years of experience with system performance, capacity planning and disaster recovery. + Bachelor's degree in a related field or an equivalent combination of education, military, and work experience. **Experience that would be great to have:** + Knowledge of… more
    Fiserv (07/12/25)
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