• Senior Principal Software

    RTX Corporation (Anaheim, CA)
    …by Collins Aerospace **Applied Signal Technology (AST** ) is seeking a **Senior Principal Software Engineer ** with deep expertise in Global Navigation ... work-life balance. We are seeking an innovative and mission-driven **Senior Principal Software Engineer ** with deep expertise in Navigation Warfare (NAVWAR),… more
    RTX Corporation (10/07/25)
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  • Apartments.com - Principal Software

    CoStar Realty Information, Inc. (Orange County, CA)
    Apartments.com - Principal Software Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and ... for our customers. Learn more about Apartments.com (https://www.apartments.com/grow/about-us) . As a ** Principal Software Engineer ** , you will proactively… more
    CoStar Realty Information, Inc. (10/01/25)
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  • Principal Software Engineer

    The Walt Disney Company (Anaheim, CA)
    …as well as other initiatives including the MyDisneyExperience app and Hey, Disney! This Principal Software Engineer will sit in the Disneyland Ticketing ... You'll Do:** + Own the analysis, design, delivery, and modifications of software improvements and/or new products used in local, networked, cloud-based, or… more
    The Walt Disney Company (10/08/25)
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  • Principal Software Engineer

    RTX Corporation (Fullerton, CA)
    …Line (RDPL) team in Fullerton, California, is growing - and we are looking for Principal Software Engineers who want their work to matter. In this role, you'll ... help build the real-time C++ software that powers some of the world's most advanced...Scrum teams to design, develop, test, and troubleshoot radar software solutions. + Assist in the requirements, design, development,… more
    RTX Corporation (12/12/25)
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  • Senior Principal SEIT Engineer

    RTX Corporation (Anaheim, CA)
    …Managed by Collins Aerospace **Applied Signal Technology (AST** ) is seeking a **Senior Principal SEIT Engineer ** who strives for excellence and have a passion ... members all while embracing integrity, innovation and work-life balance. The **Senior Principal SEIT Engineer ** will have a strong background in algorithm… more
    RTX Corporation (10/09/25)
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  • Principal Reverse Systems Engineer

    RTX Corporation (Anaheim, CA)
    …at hiring manager discretion.** Applied Signal Technology (AST) is seeking a ** Principal Reverse Systems Engineer ** who strives for excellence and has ... + Experience working with customers, end users, hardware design teams, and software design teams + Experience with reverse engineering of embedded systems +… more
    RTX Corporation (10/15/25)
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  • Principal Systems Cyber Engineer

    RTX Corporation (Fullerton, CA)
    …that create a safer, more secure world. Raytheon is seeking a well-qualified ** Principal System Security Engineer (P4)** to join our Systems Security Engineering ... Systems Security Engineering creates holistic security solutions leveraging Cyber Security, Software Assurance and Supply Chain Risk Management to support Program… more
    RTX Corporation (12/09/25)
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  • Applications Engineer

    Xylem (Mira Loma, CA)
    …project management/engineering, manufacturing and after-sales service. **Essential Duties/ Principal Responsibilities:** + Provide technical support and information ... products to meet customer requirements. + Act as project engineer for moderate to large size customer projects to...timely completion of all critical milestones. + Utilize computer software to answer technical questions (FET, PECU, Crest, FLED,… more
    Xylem (12/19/25)
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  • Sr Automation Design Engineer

    EMCOR Group (Chino, CA)
    …and automated control systems. **Job Summary** **Job Title:** Senior Automation Design Engineer ** Principal Duties and Responsibilities** + The ability to ... programming. + Knowledge of BAS analytics and/or fault detection & diagnostics (FDD) software platforms a plus. + Microsoft Visio a plus. + CEM certification or… more
    EMCOR Group (10/14/25)
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