• Principal Engineer (Mineral…

    Kelly Services (Stamford, CT)
    Kelly Science is seeking a Principal Engineer (Mineral Processing) for a growing client located in Stamford, CT. Salary: $108,000-165,000/year Employment Type: ... and help drive innovative technologies and products for Mining Solutions. As Principal Engineer , you'll collaborate with scientists, engineers, and technical… more
    Kelly Services (11/13/25)
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  • Senior Principal Software Engineer

    Mastercard (Harrison, NY)
    …strategies and decisions. All About You: * Proven experience as a Senior Principal Engineer or equivalent in enterprise data architecture, data engineering, or ... and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer , Data Architecture Overview: Mastercard's Data &… more
    Mastercard (10/17/25)
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  • Principal Software Engineer (USA)

    Trexquant Investment (Stamford, CT)
    Trexquant is seeking a highly skilled Principal Software Engineer to lead the next-generation development of our trading and research simulation platform. This ... processing, and live execution for quantitative strategies. As a Principal Software Engineer , you will work closely with quantitative researchers, and engineers… more
    Trexquant Investment (09/16/25)
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  • Principal AI Engineer

    Mastercard (Harrison, NY)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Principal AI Engineer About Mastercard Mastercard is a global ... next-generation AI-powered platforms to drive innovation and impact. As an AI Engineer , you'll work with cutting-edge tools, large language models (LLMs), and… more
    Mastercard (10/25/25)
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  • Principal Data Engineer for AI…

    Mastercard (Harrison, NY)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Principal Data Engineer for AI Platform About Mastercard Mastercard ... is a global technology company in the payments industry, connecting billions of consumers, financial institutions, merchants, governments, and businesses worldwide. We are driving the future of commerce by enabling secure, simple, and smart transactions.… more
    Mastercard (11/20/25)
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  • Principal Hardware Design Engineer

    Teledyne (Chestnut Ridge, NY)
    …team that wins. **Job Description** Teledyne LeCroy R&D Team is looking for a PRINCIPAL HARDWARE DESIGN ENGINEER with at least 8-15 years' experience with ... architecting and designing complex electronic products/subsystems that includes RF & Microwave assemblies, precision analog circuitry, ADCs, DACs, power supplies etc. Understand various tradeoffs and risks involved and pick the best approach to meet the… more
    Teledyne (09/01/25)
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  • Principal Design Quality Engineer

    Stryker (Mahwah, NJ)
    Join **Stryker's Design Quality Digital team** as a ** Principal Design Quality Engineer ** and help shape the future of digital solutions for **Trauma, Foot & ... Ankle, and Upper Extremities portfolios** . In this role, you'll influence product development from concept to launch, ensuring patient safety, product security, and compliance with global standards. Your expertise will drive innovation and quality in… more
    Stryker (11/19/25)
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  • Principal Engineer

    Regeneron Pharmaceuticals (Sleepy Hollow, NY)
    The IT M365 Service Delivery Principal role oversees a number of key functions within the IT Enterprise Services department that enable the delivery of a ... for any new or existing M365 services and related core components. + Engineer monitoring, control, and support of the service; ensuring systems, methodologies and… more
    Regeneron Pharmaceuticals (11/13/25)
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  • Principal Engineer , Software…

    Robert Half Technology (Mahwah, NJ)
    Description Systems Engineer - Medical Device Location: Mahwah, NJ Employment Type: Contract-61 Weeks Pay: Available on W2 About the Role We are seeking a Systems ... Engineer to join our team and help establish a robust design control and risk management structure for implant and instrument systems. This role focuses on applying a… more
    Robert Half Technology (11/11/25)
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  • NPD Engineer

    WATTS (Blauvelt, NY)
    …quality reputation - and we have a dynamic future ahead.​ The NPD Engineer performs professional-level engineering duties focused on the development of new products. ... PRINCIPAL RESPONSIBILITIES AND DUTIES + Conduct testing per verbal guidelines, or safety/performance standards. + Compile data to demonstrate results using… more
    WATTS (11/14/25)
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