• Software Engineer II

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Software Engineer II Overview: Mastercard's Decision Management ... Platform team is seeking a Software Developer II to design, develop, and deliver scalable, secure, and high-quality software solutions. In this role, you… more
    Mastercard (12/09/25)
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  • Software Engineer II - Tester…

    Mastercard (O'Fallon, MO)
    …that help people, businesses and governments realize their greatest potential._ **Title and Summary** Software Engineer II - Tester (Big Data & Cloudera ... pipelines and ensuring that mission-critical systems perform flawlessly? We are seeking a Software Engineer II - Tester to join our Big Data Engineering… more
    Mastercard (12/04/25)
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  • Software Engineer II

    Mastercard (O'Fallon, MO)
    …help people, businesses and governments realize their greatest potential._ **Title and Summary** Software Engineer II Job Overview: Provides support of ... through programming, analysis, design, development and delivery of software solutions. Researches alternative technical solutions for changing business needs.… more
    Mastercard (10/10/25)
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  • Software Engineer II

    Mastercard (O'Fallon, MO)
    …help people, businesses and governments realize their greatest potential._ **Title and Summary** Software Engineer II - Dispute Lifecycle Who is Mastercard? ... possibilities for all. Overview The Dispute team is looking for a Software Engineer to drive our customer experience strategy forward by consistently innovating… more
    Mastercard (11/14/25)
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  • Software Engineer II

    Mastercard (O'Fallon, MO)
    …that help people, businesses and governments realize their greatest potential._ **Title and Summary** Software Engineer II Who is Mastercard? Mastercard is a ... from around the world. Role * Follow given directions and procedures in software delivery tasks (code development, test, deployment) * Deliver assigned work seeking… more
    Mastercard (10/21/25)
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  • Software Engineer II

    Acosta Group (Chesterfield, MO)
    …and Abilities Requirements** + More than **Two (2) years** of relevant software engineering experience + Proven experience working in **Agile methodologies** , with ... player committed to shared success + Proven experience across the full software development lifecycle + Advanced debugging proficiency + **Strong SQL** skills and… more
    Acosta Group (11/05/25)
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  • BizOps Engineer II

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** BizOps Engineer II Overview The Access Services team is looking for a ... Biz Ops Engineer II who can help us solve...velocity. * Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating,… more
    Mastercard (11/07/25)
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  • BizOps Engineer II

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** BizOps Engineer II The Business Operations (Biz Ops) team is seeking ... a Business Operations Site Reliability Engineer (SRE). The role of Business Operations Organization is...support our developers during the application build phase in software run principals that includes operational design, automation, capacity… more
    Mastercard (12/13/25)
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  • BizOps Engineer II

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** BizOps Engineer II The Business & Market Insights BizOps team is ... looking for a Business Operations Engineer who can help us solve problems, and lead...Experience with algorithms, data structures, scripting, pipeline management, and software design. * Systematic problem-solving approach, coupled with strong… more
    Mastercard (12/04/25)
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  • Mechanical Engineer II

    Leonardo DRS, Inc. (High Ridge, MO)
    …business, please visit: www.marlocoil.com . **Job Summary** The Mechanical Design Engineer position is responsible for developing a variety of HVAC&R product ... and air handling systems using 2D and 3D modeling software , primarily PTC Creo and AutoCAD * Engineering of...requirements to support bids and proposals **Job Responsibilities Part II ** * Provide budget, cost, and schedule input for… more
    Leonardo DRS, Inc. (10/08/25)
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  • Mechanical Engineer II - Thermal…

    Leonardo DRS, Inc. (High Ridge, MO)
    …business, please visit: www.marlocoil.com . **Job Summary** Join us as a Mechanical Engineer II , responsible for the development, testing and analysis of a ... involve interpretation of test results, basic thermodynamic calculations, and carrying out software simulations to predict performance of a range of equipment. **Job… more
    Leonardo DRS, Inc. (10/08/25)
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  • Software Virtualization Engineer

    General Dynamics Information Technology (Arnold, MO)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Software Virtualization Engineer with GDIT. A career in enterprise IT ... operate. At GDIT, people are our differentiator. As a Software Virtualization Engineer you will help ensure...with additional years of experience + 8140.01M IAT Level II certification + 3+ years of experience with VDI… more
    General Dynamics Information Technology (10/28/25)
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  • Industrial Engineer 2

    Sysco (St. Charles, MO)
    **SUMMARY OF JOB PURPOSE:** The **Industrial Engineer II , Supply Chain** will implement and maintain the engineering program across warehouse and delivery ... the complete life cycle of engineering projects from initial audit through implementation. The Engineer II will work with Site Management to design and implement… more
    Sysco (11/06/25)
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  • Storage Engineer

    William C Brown Inc (Arnold, MO)
    Storage Engineer EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to ... or any other characteristic protected by law. Description WCBinc is looking for aStorage Engineer .As a Storage Engineer , you will help ensure today is safe and… more
    William C Brown Inc (09/17/25)
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  • Engineer III - Senior Project Manager…

    City of St. Charles (St. Charles, MO)
    …Paid Holidays; Employee Assistance Programs and Educational Benefits. Job Title Engineer III - Senior Project Manager - Design Department Engineering Department ... planning, design, and stormwater. + Oversees the City's NPDES Phase II Permit compliance. + Recommends employee selection, leave, training, transfer, promotion,… more
    City of St. Charles (12/05/25)
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  • Customer Engineer III (C3)

    Applied Materials (St. Peters, MO)
    …go. Learn more about our benefits (https://hrportal.ehr.com/applied/) . As a Field Service Engineer [Customer Engineer ] at Applied Materials, you serve as the ... standard service activities through Tier I unassisted. Performs standard Tier II with assistance. Able to perform routine preventative maintenance within established… more
    Applied Materials (11/15/25)
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  • Product Security Engineer - Advanced…

    The Boeing Company (St. Charles, MO)
    …ATO/IATT packages including processing IAVMs and CTOs for the same. + Perform software assurance tasks, including but not limited to software assurance risk ... **:** + Current DoD 8570 certification at IAT Level II / IAM Level I or higher (eg, Security+,...audit tools + 5 years+ experience using knowledge of Software Assurance (SwA) static and/or dynamic code analysis (eg… more
    The Boeing Company (12/07/25)
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  • Process Automation Specialist

    DuPont (Pevely, MO)
    …Building Solutions has an exciting opportunity for a **Process Automation Specialist ( Engineer II , Automation & Process Control)** in the Manage Technology ... plant process control contacts as required for hardware and software support. + Work with PBS plants in troubleshooting...Distributed Control System and / or PLC hardware and software experience. + 2+ years' Experience working in Process… more
    DuPont (10/29/25)
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