• Senior Information Security Engineer

    Mastercard (O'Fallon, MO)
    …we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, ... Can you provide detailed guidance on the securely implement systems in public cloud environments? * Can you advise...and technical security experience with UNIX, Linux, Solaris, or AIX * Demonstrate the ability to articulate and communicate… more
    Mastercard (09/24/25)
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  • Site Reliability Engineering Architect

    Ensono (Jefferson City, MO)
    …storage area networks, virtualization, server hardware, mainframe, operating systems , networking, business applications, and security infrastructure to help ... presenting cost estimates for the solution implementation process and ongoing production support of the solution + Engages in project communications with the client… more
    Ensono (09/20/25)
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  • Lead Software Engineer

    Mastercard (O'Fallon, MO)
    …we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, ... able to obtain a deep technical understanding of the applications/ systems that they are working on and must be...knowledge and technical security experience with UNIX, Linux, FreeBSD, AIX , or Windows. * Hand-on experience in Shell Scripting… more
    Mastercard (09/14/25)
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