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  • A leading engineering firm in California is seeking a Design Engineer to implement project designs and enhancements to products. The role involves designing, modeling, and testing prototypes, conducting research, and collaborating with various departments to ensure production... 
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    Full time

    Nikkiso Cryogenic Industries

    Irvine, CA
    5 days ago
  • $107k - $133.7k

     ...Technologies, we are building the future of electric vehicles, and our System Prototypes team is at the forefront of this innovation. We are seeking a highly proactive and detail-oriented Prototype Engineer who thrives in dynamic, ambiguous environments and is passionate about... 
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    Rivian

    Irvine, CA
    5 days ago
  • $107k - $133.7k

    A leading joint venture in electric vehicles is seeking a Prototype Engineer in Irvine, California. You will play a critical role in the design and commissioning of advanced vehicle prototypes, ensuring seamless integration of early systems. The ideal candidate has a degree... 
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    Rivian

    Irvine, CA
    5 days ago
  • A leading engineering firm in California is seeking a Mechanical Engineer with expertise in SolidWorks. The role involves building prototypes, collaborating with cross-functional teams, and managing the integration of electronic components. The ideal candidate has a Bachelor... 
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    Techoundsllc

    Irvine, CA
    3 days ago
  •  ...leading automation products company in Irvine, CA is seeking an Application Engineer in Computer Hardware. You will provide engineering support, create custom solutions, and construct prototypes. Ideal candidates will have a Bachelor’s in Electrical Engineering and 2-3... 
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    Advantech USA

    Irvine, CA
    1 day ago
  • A recruiting firm is looking for a Mechanical Design Engineer in Irvine, California. This full-time position entails responsibilities in design and manufacturing processes, requiring a Bachelor's degree and at least 5 years of relevant experience. The role involves planning... 
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    Full time

    CMTC Creating Solutions in Recruitment

    Irvine, CA
    4 days ago
  • A joint venture in automotive technology is seeking an Engineering Technician in California to support the development and validation of prototypes. The role includes building and troubleshooting complex electrical systems, coordinating with various teams, and ensuring... 
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    Full time

    Rivian and Volkswagen Group Technologies

    Irvine, CA
    5 days ago
  • A defense technology firm in Costa Mesa seeks a Hardware Engineer to lead hardware design projects from concept through launch. The ideal...  .... Responsibilities include leading design reviews, building prototypes, and producing technical documentation. This position offers a... 
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    Slope

    Costa Mesa, CA
    4 days ago
  • $70k - $95k

     ...medical device company in California is seeking a Manufacturing Design Engineer to develop equipment and automation solutions. This role involves designing manufacturing tooling, creating prototypes, and collaborating with cross-functional teams. Ideal candidates will have... 
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    Applied Medical

    Lake Forest, CA
    2 days ago
  • $100.3k - $166.9k

     ...hydraulic, fuel, inerting, fluid conveyance, thermal management, and engine systems and components for the aerospace industry. We design...  ...materials, fasteners, welding, statics & dynamics, system prototyping & debugging, control systems, rotating systems. Experience... 
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    Parker Hannifin Corporation

    Irvine, CA
    2 days ago
  •  ...Group Qualifications and Requirements B.S. or M.S. in Mechanical Engineering, Aerospace Engineering, or a related field 7+ years of...  ...metrology tools, and optical bench setup Hands‑on experience in prototype development and troubleshooting Strong understanding of DFM for... 
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    Full time

    The Photonics Group

    Irvine, CA
    2 days ago
  •  ...Mechanical Engineer – Aerospace Turbomachinery Systems Location: Onsite – Irvine CA Industry: Aerospace & Defense Citizenship...  ...studies during early-phase system architecture Support prototype builds, performance testing, and validation activities Ensure... 
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    Tata Technologies

    Irvine, CA
    4 days ago
  •  ...Mechanical Engineer – Aerospace Thermal Management Systems (Integration & Packaging) Location: Onsite – Irvine CA Industry: Aerospace...  ...up analysis, and design for manufacturability (DFM) Support prototype builds, integration activities, testing, and validation... 
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    Tata Technologies

    Irvine, CA
    4 days ago
  •  ...clearance required. Job Responsibilities We are searching for a Test Engineer with 2-5 years of experience. As part of a diverse team, you...  ...coordinating and directing the testing through development, prototyping and production. This is a hands-on testing job and you will... 
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    Adsys Controls Inc.

    Irvine, CA
    5 days ago
  • $122k - $212k

     ...device leader in Irvine, California, is seeking a Senior Principal Engineer. This role involves driving innovation in catheter technology...  ...medical device R&D. Key responsibilities include developing prototypes and communicating the innovation roadmap. A competitive salary... 
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    Johnson & Johnson

    Irvine, CA
    5 days ago
  • $122k - $212k

    Learn more at Job Summary The Senior Principal Engineer role is pivotal in establishing the Haifa Tech Incubator (HTI) as a leader...  ...advanced materials and electromagnetic navigation concepts. Prototype Development & Validation: Architect and oversee the creation of... 
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    Johnson & Johnson

    Irvine, CA
    3 days ago
  • $83.25k - $138.55k

    Mechanical Engineer II - Defense Systems Division Position Summary Parker Aerospace, an operating segment of Parker Hannifin Corporation...  ...reviews, works with vendors to conduct DFM studies, build prototypes, analyze failures, determine root causes and implement corrective... 
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    Parker Hannifin

    Irvine, CA
    5 days ago
  • $146k - $194k

    A defense technology company is seeking a Mechanical Engineer in Costa Mesa, CA. The ideal candidate will own hardware design from concept to launch and have strong CAD skills. Responsibilities include hardware testing, documentation, and subsystem design reviews. The... 

    Slope

    Costa Mesa, CA
    4 days ago
  • $124.7k - $205.8k

    Job Description Summary As a Senior Principal Systems Engineer, this individual is responsible for developing and maintaining the System...  ...instructions, test methods, engineering models and drawings/prototypes, etc., to establish/characterize product and/or process... 
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    BD Mexico

    Irvine, CA
    3 days ago
  • $70k - $200k

     ...protection). The team focuses on both development (research, design, prototyping, testing) and operations (production, testing, QA, debugging)....  ...from the ground up. Mechanical Systems Role As a Mechanical Engineer on the Hardware Team at Field AI, you will contribute to the... 
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    Medium

    Irvine, CA
    5 days ago
  •  ...commercial markets. Position Info: Title: Lead Controls/Algorithm Engineer Type of Job: Full-Time, Exempt Work Location: Irvine, CA...  ...Inquisitive At Adsys Controls, we are a research and development, prototyping and product development organization and we love to drive new... 
    Full time
    For contractors
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    Adsys Controls Inc.

    Irvine, CA
    5 days ago
  • $129k - $171k

     ...ABOUT THE JOB Anduril’s Sentry team is seeking a Manufacturing Engineer with Assembly, Integration, and Testing (AIT) experience of...  ...5+ years integrating complex electromechanical systems from prototype through production. Proven expertise in multi‑subsystem integration... 
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    Slope

    Irvine, CA
    2 days ago
  • $26 - $47.5 per hour

     ...Select how often (in days) to receive an alert: NPI Automation Engineering Co-Op (Summer/Fall 2026) If you are looking for a challenging...  ...engineering datasets Contribute to dashboard development by prototyping visualizations and user-configurable views Participate in... 
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    Skyworks Solutions, Inc.

    Irvine, CA
    2 days ago
  • $110k - $150k

     ...want to hear from you! About RESOLVEM: RESOLVEM Inc. is an engineering services company specializing in transferring product designs...  ...helping them bring their designs under design control, transform prototypes into market‑ready products, prepare them for mass... 
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    Local area
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    Resolvem

    Irvine, CA
    1 day ago
  • $124.7k - $205.8k

     ...Description Summary We are seeking an experienced senior-level Software Engineer to join our Algorithm development team. This role will focus...  ...algorithms for embedded and x86-based systems. Translate prototype algorithms (Python/MATLAB) into production-grade C# or C/C++... 
    Work at office
    Remote work

    BD Mexico

    Irvine, CA
    4 days ago
  • We are seeking a highly experienced mechanical engineer with optomechanical experience design and develop robust mechanical systems....  ...expensive material or fabrication techniques unless absolutely needed Prototype the subsystems and systems using the appropriate fabrication... 
    For contractors

    NR Consulting

    Lake Forest, CA
    1 day ago
  • $110k - $123.75k

     ...chance to make a real impact. We're looking for a Mechanical Engineer to help design and integrate complex mechanical and electromechanical...  ...‑up, and production validation fundamentals. Participate in prototype builds, testing, root‑cause investigations, and design... 

    Neon Aero

    Irvine, CA
    5 days ago
  • $120k - $145k

     ...more efficient use of traditional and renewable power. Their engineering team develops modular battery technology for dense environments...  ...processes within the PLM system Support hardware integration, prototype development, root cause analysis, and design iteration... 

    Motive Companies

    Irvine, CA
    3 days ago
  •  ...optomechanical systems, with strong skills in SolidWorks and a deep understanding of optical components. Responsibilities include overseeing prototypes and ensuring precision in design. This full-time role offers a dynamic environment within the medical industry. #J-18808-Ljbffr... 
    Full time

    The Photonics Group

    Irvine, CA
    2 days ago
  • $120k - $155k

    Mechanical Engineer - Battery Energy Storage Systems (BESS) Are you a Mechanical Engineer who wants true ownership not just designing...  ...executive-driven environment where your work moves quickly from prototype to deployed product and your contributions directly influence... 

    Motive Workforce

    Irvine, CA
    4 days ago