• FLEX Senior Systems Engineer

    Marriott (Bethesda, MD)
    …**Expiration Date:** 10/08/2025 This is a temporary position. **JOB SUMMARY** Perform various z / OS systems programming tasks, primarily in support of the ... **CANDIDATE PROFILE** **Required Experience:** * 10+ years' overall experience in z / OS mainframe technologies * Proficient in ACF2 installation, maintenance,… more
    Marriott (07/24/25)
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  • Software Quality Assurance Testers

    Guidehouse (New Carrollton, MD)
    …tools such as Selenium, JMeter, LoadRunner, SOAPUI, and Parasoft. + Working knowledge of mainframe environments (eg, IBM z / OS , Unisys), JCL, and scripting. + ... methodologies. + Exposure to enterprise platforms including Windows, Linux, UNIX, and mainframe systems . + Experience working with relational databases such as… more
    Guidehouse (09/28/25)
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  • Business Programming Consultant

    UNUM (Annapolis, MD)
    …RESTful APIs, Git, Visual Studio; Operating Systems : Windows Server, Suse Linux, Mainframe : IBM z / OS ; Formats Tools: AFP, JCL, PDF, JPEG; Encryption ... Operating systems , including managing Windows Server environments, Linux distributions, and mainframe systems ; Working with file formats and tools used for… more
    UNUM (09/10/25)
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