• Systems Engineer (Associate, Mid-Level,…

    The Boeing Company (El Segundo, CA)
    …Segundo, CA** . As a Boeing Space, Intelligence & Weapons Systems Engineer , you will design, develop, and deliver state-of-the-art communication/payload systems for ... with a large cross-functional group including customers, suppliers, hardware and software engineers, integration and test engineers, and senior technologists to… more
    The Boeing Company (11/08/25)
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  • Mid-Level Rail Transit Engineer

    Jacobs (San Diego, CA)
    …team of technicians and engineers, you'll be responsible for creating drawings and simulations using software tools and resources supporting our clients' overall ... join our team of innovators? As a Rail Transit Engineer based out of Irvine, California, you'll have the...* Professional expertise with AutoCAD Civil 3D * 3D modeling Experience * Experience on both Freight and Commuter… more
    Jacobs (10/22/25)
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  • Senior Lead Thermal Engineer , Hardware…

    Celestica (San Jose, CA)
    Senior Lead Engineer , Hardware Design Req ID: 127718 Band: 09 Region: Americas Country: USA State/Province: California City: San Jose **About Celestica:** If you're ... drive to find the way for our customers. Let's engineer the future together. **Summary** Join a world class...transfer and fluid mechanics, and good familiarity with 3D software applications. As a member of the Hardware Product… more
    Celestica (11/07/25)
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  • Senior Staff Engineer , Mechanical Design

    Celestica (San Jose, CA)
    …existing designs. Research mechanical concepts and create system solutions using 3D modeling and simulation software . Complete calculations and test, validate, ... State/Province: New Hampshire City: Remote Employee US **Summary** The Senior Staff Engineer , Mechanical Design develops new mechanical systems/modules and maintains… more
    Celestica (11/01/25)
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  • Engineer III

    Parker Hannifin Corporation (Irvine, CA)
    …+ Proficient with engineering design and analysis tools (eg computer-aided design or modeling systems); ability to use standard software packages. May require ... Engineer III Location : IRVINE, CA, United States...standards and regulations. + Develop and test prototypes, perform simulations , analyze test data, and troubleshoot electrical issues to… more
    Parker Hannifin Corporation (10/23/25)
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  • Mechanical Engineer - Thermal Analysis…

    Lockheed Martin (Sunnyvale, CA)
    …the FBM Common Missile Compartment program * Ownership of computational, physics\-based modeling , simulations , and results * Correlate model results to missile ... nation and our allies secure\. Lockheed Martin Space is seeking a Mechanical Engineer to join the FBM Missile Flight Sciences Engineering team in Sunnyvale, CA\!… more
    Lockheed Martin (11/01/25)
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  • Opto-Mechanical Design Engineer - Advanced…

    US Tech Solutions (Mountain View, CA)
    …contract** **Job Description:** + We are seeking an Opto-Mechanical Design Engineer (Advanced Sensing Systems) to design, develop, and validate complex mechanical ... collaborating closely with cross-functional teams including optics, structures, materials, and software . + Create detailed 3D CAD models, drawings, and documentation… more
    US Tech Solutions (10/09/25)
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  • Senior Principal SEIT Engineer (Contingent)

    RTX Corporation (Anaheim, CA)
    …Collins Aerospace **Applied Signal Technology (AST** ) is seeking a **Senior Principal SEIT Engineer ** who strives for excellence and have a passion to be part of a ... while embracing integrity, innovation and work-life balance. The **Senior Principal SEIT Engineer ** will have a strong background in algorithm development and signal… more
    RTX Corporation (10/09/25)
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  • Senior Staff Engineer , Mechanical Design

    Celestica (San Jose, CA)
    …existing designs. Research mechanical concepts and create system solutions using 3D modeling and simulation software . Complete calculations and test, validate, ... Country: USA State/Province: California City: San Jose **Summary** The Senior Staff Engineer , Mechanical Design develops new mechanical systems/modules and maintains… more
    Celestica (09/18/25)
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  • Principal Electrical Engineer

    RTX Corporation (Goleta, CA)
    …electrical design, electrical design analysis, implementing design solutions, performing simulations , and performing analysis and testing of associated hardware in ... to act as cross-discipline independent product team lead (IPTL) or Responsible Engineer Authority (REA) for multiple projects and power supply module designs. This… more
    RTX Corporation (09/11/25)
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