• Sr Principal Software

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** Sr Principal Software Engineer Overview: Architecture &Technology (A&T) ... from the Guild. The Role: As an A&T Sr Principal Software Engineer you will...as A&T deliverables such as patterns, frameworks, proof-of-concepts, incubated solutions , policy and standards updates, and shared libraries. For… more
    Mastercard (09/17/25)
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  • Principal Software Engineer

    Mastercard (O'Fallon, MO)
    …help people, businesses and governments realize their greatest potential._ **Title and Summary** Principal Software Engineer ( Solution Architect) ... Services, focused on delivering next-generation consumer payment experiences. We are seeking a Principal Engineer to lead solution architecture and rapid… more
    Mastercard (10/21/25)
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  • Senior Principal Software

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Ethoca, a Mastercard ... company, seeking a Senior Principal Software Engineer to provide...architects, and engineering teams to design and deliver innovative solutions that align with business goals and technology strategy.… more
    Mastercard (10/09/25)
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  • Senior Principal Software

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Mastercard's Business & ... Market Insights (B&MI) is seeking a Senior Principal Software Engineer to lead... to lead the design and development of advanced software solutions for Operational Intelligence program group… more
    Mastercard (10/16/25)
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  • Principal R&D Software

    Cardinal Health (Hazelwood, MO)
    …components, products, systems and processes. Specifically, Embedded and laptop software design, development, testing and documentation. Research and Development ... Hazelwood, MO facility.** **_Responsibilities_** + Build and test prototype software of new products in line with regulatory standards...on complex projects of large scope + Develops technical solutions to a wide range of difficult problems +… more
    Cardinal Health (10/25/25)
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  • Principal Data Engineer - Finance…

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** Principal Data Engineer - Finance Modernization Mastercard Overview ... Planning, Accounting, Settlement, Treasury, Reporting and Analytics. As a Principal Data Engineer , you will play a...skills. Skills and Experiences * Proven experience as a software /data engineer and technical lead, with a… more
    Mastercard (10/23/25)
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  • Principal Systems Safety Engineer

    Leonardo DRS, Inc. (Bridgeton, MO)
    …**Job Summary** Leonardo DRS Land Systems is seeking a qualified and motivated Principal Systems Safety Engineer for our Bridgeton, MO facility. This position ... (AMCOM) 385-17, and applicable standards per government direction. The Principal Systems Safety Engineer is responsible for...into the system + Assess and track mitigation of software and firmware related hazards + Ability to complete… more
    Leonardo DRS, Inc. (10/02/25)
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  • Principal System Safety Engineer

    Actalent (Bridgeton, MO)
    Job Title: Principal System Safety EngineerJob Description The Principal System Safety Engineer is responsible for maintaining a safety assignment throughout ... in defense systems, explosives safety, electromagnetic radiation, laser safety, and/or software safety. + Bachelor's Degree in Engineering or related technical… more
    Actalent (10/29/25)
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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 ... security assessments of tactical vehicle IT systems, including hardware, software , and network configurations. This includes vulnerability scanning, penetration… more
    Leonardo DRS, Inc. (08/23/25)
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  • Sr Staff Software Engineer (GCP)

    Bayer (Chesterfield, MO)
    …and diverse minds to make a real difference, there's only one choice.** **Sr Staff Software Engineer (GCP)** **WHO WE ARE** At Bayer we're visionaries, driven to ... used to power our internal and external experiences. The Senior Staff Data Engineer will contribute to solution design and build, while helping to define… more
    Bayer (10/23/25)
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