• Senior Information Security Engineer

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

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

    Guidehouse (Kansas City, MO)
    …logging, and resolution activities. + This role typically reports to a supervisor or senior engineer and works under close guidance while building proficiency in ... development, and documentation updates. This role typically reports to a supervisor or senior engineer and works under close direction while gaining proficiency… more
    Guidehouse (09/28/25)
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  • Journeyman Software Quality Assurance Tester

    Guidehouse (Kansas City, MO)
    …development, and documentation updates. This role typically reports to a supervisor or senior engineer and works under close direction while gaining proficiency ... development methodologies. + Exposure to enterprise platforms including Windows, Linux, UNIX , and mainframe systems. + Experience working with relational databases… more
    Guidehouse (09/28/25)
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