• Principal Information

    Mastercard (O'Fallon, MO)
    …help people, businesses and governments realize their greatest potential._ **Title and Summary** Principal Information Security Engineer ( Security ... person working for, or on behalf of, Mastercard is responsible for information security . All activities involving access to Mastercard assets, information ,… more
    Mastercard (10/23/25)
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  • Sr Principal Software Engineer

    Mastercard (O'Fallon, MO)
    …that every person working for, or on behalf of, Mastercard is responsible for information security and must: + Abide by Mastercard's security policies ... and integrity of the information being accessed; + Report any suspected information security violation or breach, and + Complete all periodic mandatory … more
    Mastercard (09/17/25)
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  • Principal Software Engineer

    Mastercard (O'Fallon, MO)
    …focused on delivering next-generation consumer payment experiences. We are seeking a Principal Engineer to lead solution architecture and rapid concept ... to pilot to full commercialization. The Role As a Principal Engineer in ECP, you will: *...for, or on behalf of, Mastercard is responsible for information security and must: + Abide by… more
    Mastercard (10/21/25)
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  • Principal Data Engineer - Finance…

    Mastercard (O'Fallon, MO)
    …that every person working for, or on behalf of, Mastercard is responsible for information security and must: + Abide by Mastercard's security policies ... and governments realize their greatest potential._ **Title and Summary** Principal Data Engineer - Finance Modernization Mastercard... information being accessed; + Report any suspected information security violation or breach, and +… more
    Mastercard (10/23/25)
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  • Senior Principal Software Engineer

    Mastercard (O'Fallon, MO)
    …systems and data sources. All About You: * Proven experience as a Senior Principal Engineer or equivalent in enterprise data architecture, data engineering, or ... governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Mastercard's Business &...for, or on behalf of, Mastercard is responsible for information security and must: + Abide by… more
    Mastercard (10/16/25)
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  • Senior Principal Software Engineer

    Mastercard (O'Fallon, MO)
    …that every person working for, or on behalf of, Mastercard is responsible for information security and must: + Abide by Mastercard's security policies ... governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Ethoca, a Mastercard... information being accessed; + Report any suspected information security violation or breach, and +… more
    Mastercard (10/09/25)
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  • Principal Site Reliability Engineer

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Principal Site Reliability Engineer Principal Site Reliability ... and support that ensure optimal infrastructure performance * Conducts engineer training and mentoring in RE methodologies, empowering technical...for, or on behalf of, Mastercard is responsible for information security and must: * Abide by… more
    Mastercard (10/10/25)
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  • Principal Innovation Hub Solution…

    Microsoft Corporation (St. Louis, MO)
    …strengthening customer trust through deep engagements in exceptional environments. As a ** Principal Innovation Hub Solution Engineer , Cloud and AI** working ... or Fabric Data platform. Develop skills in AI management and security , real-time intelligence, and application architecture to support AI transformation… more
    Microsoft Corporation (10/23/25)
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  • Principal Cybersecurity Engineer

    Leonardo DRS, Inc. (Bridgeton, MO)
    …St. Louis area. **Job Summary** Leonardo DRS is seeking a full time Principal Cybersecurity Engineer for our Bridgeton, MO facility. The selected candidate ... will be focusing on the security assessment and risk management of IT systems embedded within tactical vehicles. This senior technical role will be critical in… more
    Leonardo DRS, Inc. (08/23/25)
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  • Principal Data Engineer

    Mastercard (O'Fallon, MO)
    …that every person working for, or on behalf of, Mastercard is responsible for information security and must: + Abide by Mastercard's security policies ... and governments realize their greatest potential._ **Title and Summary** Principal Data Engineer Who is Mastercard? Mastercard... information being accessed; + Report any suspected information security violation or breach, and +… more
    Mastercard (09/04/25)
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  • Principal Logistics Engineer

    Leonardo DRS, Inc. (Bridgeton, MO)
    …of company products and supplier commercial off the shelf (COTS) equipment. The Principal Logistics Engineer provides Logistics insight during the design and ... Summary** Leonardo DRS Land Systems is seeking a Logistics Engineer level IV for our Bridgeton, MO facility who...US Citizenship required. This position requires an active DOD security clearance or the ability to obtain such clearance… more
    Leonardo DRS, Inc. (09/16/25)
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  • Principal Airframe Structural Integrity…

    The Boeing Company (Hazelwood, MO)
    …Space & Security (BDS) has an exciting opportunity for a ** Principal Airframe Structural Integrity Architect** to join our **Phantom Works** team in **Hazelwood, ... MO.** The engineer in this role will be instrumental in defining...internal and external customers and stakeholders that require technical information regarding the structural integrity plans and deliverables associated… more
    The Boeing Company (10/21/25)
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  • St. Louis, MO Train Conductor

    Norfolk Southern (St. Louis, MO)
    …Conductors average **$85,000** per year. + Promotion opportunities to Locomotive Engineer based on location needs and seniority. + Locomotive Engineers have ... or near the hire location for on-the-job training. **Additional Information ** **Work Schedule** + Irregular schedules determined by business...Retirement taxes paid at a rate equivalent to Social Security tax plus an additional 4.9%. You are also… more
    Norfolk Southern (09/27/25)
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