• Sr BizOps Engineer

    Mastercard (O'Fallon, MO)
    …and governments realize their greatest potential._ **Title and Summary** Sr BizOps Engineer Job Overview: Leads Reactive Systems Architecture projects and ... hands on experience with software installation and configuration on Unix (preferably AIX ) * Must be able...* Should possess good working knowledge and understanding of Unix and Windows Operating Systems * Should… more
    Mastercard (08/29/25)
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  • Lead Software Engineer

    Mastercard (O'Fallon, MO)
    …experience or relevant qualifications * Working knowledge and technical security experience with UNIX , Linux, FreeBSD, AIX , or Windows. * Hand-on experience in ... realize their greatest potential._ **Title and Summary** Lead Software Engineer Overview * The Cryptographic Security Team is a...able to obtain a deep technical understanding of the applications/ systems that they are working on and must be… more
    Mastercard (09/14/25)
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  • Lead Site Reliability Engineer…

    Enterprise Mobility (St. Louis, MO)
    …our business to grow through the implementation of new capabilities. The ** Engineer 3, Systems ** is responsible for ensuring the availability, performance, ... a software engineering mindset to system administration topics, and vice versa. As an ** Engineer ** **3, Systems ** you will be expected to use your technical… more
    Enterprise Mobility (08/30/25)
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  • Senior Information Security Engineer

    Mastercard (O'Fallon, MO)
    …experience or relevant qualifications * Working knowledge and technical security experience with UNIX , Linux, Solaris, or AIX * Demonstrate the ability to ... realize their greatest potential._ **Title and Summary** Senior Information Security Engineer Overview Mastercard is seeking candidates to join our Security… more
    Mastercard (09/24/25)
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  • Software Quality Assurance Testers

    Guidehouse (Kansas City, MO)
    …development methodologies. + Exposure to enterprise platforms including Windows, Linux, UNIX , and mainframe systems . + Experience working with relational ... tracking. + **Cross-Platform Testing** : Comfortable testing across Windows, Linux, UNIX , and mainframe systems . + **Database Validation** : Experience… more
    Guidehouse (09/28/25)
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  • Journeyman Software Quality Assurance Tester

    Guidehouse (Kansas City, MO)
    …development methodologies. + Exposure to enterprise platforms including Windows, Linux, UNIX , and mainframe systems . + Experience working with relational ... tracking. + **Cross-Platform Testing** : Comfortable testing across Windows, Linux, UNIX , and mainframe systems . + **Database Validation** : Experience… more
    Guidehouse (09/28/25)
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