• FLEX Senior Systems Engineer

    Marriott (Bethesda, MD)
    …z/OS systems programming tasks, primarily in support of the Marriott mainframe security environment. **CANDIDATE PROFILE** **Required Experience:** * 10+ years' ... overall experience in z/OS mainframe technologies * Proficient in ACF2 installation, maintenance, configuration and customization * Demonstrated experience… more
    Marriott (07/24/25)
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  • Lead Engineer - Software

    OneMain Financial (Baltimore, MD)
    …of work. + This role will be expected to communicate proactively with senior staff about successes, challenges, and requirements. + When successful, this individual ... pipelines. + Lead efforts to harvest decision logic from COBOL and mainframe systems, refactoring them into modern rule representations using Drools (or similar… more
    OneMain Financial (10/09/25)
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  • Software Quality Assurance Testers

    Guidehouse (New Carrollton, MD)
    …logging, and resolution activities. + This role typically reports to a supervisor or senior engineer and works under close guidance while building proficiency in ... **Job Family** **:** Testing ( Digital ) **Travel Required** **:** Up to 10% **Clearance...updates. This role typically reports to a supervisor or senior engineer and works under close direction… more
    Guidehouse (09/28/25)
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  • Journeyman Software Quality Assurance Tester

    Guidehouse (New Carrollton, MD)
    …development, and documentation updates. This role typically reports to a supervisor or senior engineer and works under close direction while gaining proficiency ... **Job Family** **:** Testing ( Digital ) **Travel Required** **:** Up to 25% **Clearance...Oracle and DB2, across platforms including Windows, Linux, and mainframe environments. **What You Will Need** **:** + US… more
    Guidehouse (09/28/25)
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