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  • $165k - $190k

     ...connector packaging across all temperature stages. Lead the full design lifecycle: concept, CAD, GD&T drawings, BOMs, tolerance analysis, prototype builds, qualification testing, and manufacturing release. Define cryogenic mechanical interfaces and thermal conduction budgets;... 
    Suggested
    Full time
    Work experience placement
    Local area
    Flexible hours

    Rigetti Computing

    Berkeley, CA
    1 day ago
  • $15k

     ...maintain complex data pipelines, including data ingestion, feature engineering, validation, and quality monitoringTranslate research prototypes and novel ideas into performant, well-tested, production-ready codeBuild extensible tools and frameworks that accelerate the... 
    Suggested
    Work at office
    Local area

    The Voleon Group

    Berkeley, CA
    2 days ago
  • $220k - $250k

     ...performance workflows.Help modernize and operationalize internal tooling that has historically evolved organically through research and prototyping efforts.Drive better long-term ownership, maintainability, and lifecycle planning for internally developed systems and... 
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    Full time
    Work experience placement
    Local area

    Rigetti Computing

    Berkeley, CA
    4 days ago
  • $115k - $130k

     ...and reliable electrical systems • PCB design: schematic capture, PCB layout, board validation and manufacturing support • Prototyping and validation of new electrical circuits and systems • Troubleshoot and root-case analysis systems down to the component level... 
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    For contractors

    ALTEN Technology USA

    Berkeley, CA
    a month ago
  • $110k

     ...robust reactor system capable of handling abrasive, high-solids biomass slurries at scale. This is a hands-on role spanning design, prototyping, fabrication oversight, and commissioning. Primary Responsibilities of this Role Include Design and engineer a custom microwave... 
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    Contract work
    Visa sponsorship

    Oleo Sustainable Palm Oil Solutions

    Berkeley, CA
    12 hours ago
  • $75k - $95k

     ...testing systems, environmental chambers, SMPS/CPC aerosol instrumentation, tensile testers, materials characterization equipment, prototyping tools, high-speed video systems, and associated infrastructure. Continuously support various utility requirements including... 
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    Full time
    For contractors
    Remote work
    Flexible hours

    ProEquip

    Berkeley, CA
    4 days ago
  •  ...communities (GitHub, Discord, technical forums) — answering questions, contributing examples, and feeding field insight back to product Prototype and test PLG mechanics — self-serve onboarding flows, in-product activation nudges — for Bond and Hub Who You Are You write... 
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    Remote work
    3 days per week

    Valency Systems Inc.

    Berkeley, CA
    2 days ago
  • $188k - $274k

     ...to identify and define new technologies to support internal product and feature roadmaps.Develop models and fabricate functional prototypes of new products and features, including both hardware and software integration.Define architectures, key performance indicators (... 
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    Worldwide

    Google

    San Francisco, CA
    4 days ago
  •  ...manufacturing documentation for production teams.Ensure documentation accuracy throughout development, validation, and release cycles.Prototype & Production SupportSupport prototype builds, pilot builds, and production launch activities.Troubleshoot harness-related issues... 
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    Long term contract

    Torrey Holistics

    Berkeley, CA
    4 days ago
  • $120k - $145k

     ...proactively move work forward. You also will help us expand our platform for new use cases by working closely with Product and building prototypes yourself! If you are energized by untangling complexity, organizing chaos, and designing elegant solutions and you want to grow... 
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    Work at office
    Immediate start
    Remote work
    Flexible hours
    3 days per week

    Mapistry Inc.

    Berkeley, CA
    5 days ago
  •  ...those showing a high potential for impact. Once the core research problems are solved, we work to scale them to a minimum viable prototype, demonstrating their validity to AI companies and governments to drive adoption. We are aiming to rapidly grow our team in the following... 
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    Full time
    Remote work
    Visa sponsorship

    Aisafety

    Berkeley, CA
    5 days ago
  • $250k

     ...fast and are highly responsive and available. You can juggle many balls when it is useful. Software Engineering You balance rapid prototyping with the creation of maintainable, scalable systems and make sound technical decisions. You lead large projects from ideation to... 
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    H1b
    Work at office
    Work from home
    Home office
    Relocation package
    Flexible hours
    3 days per week

    Metr

    Berkeley, CA
    2 days ago
  • $207k - $300k

     ...productionization.Partner with UX Research, Product Management, and Hardware Engineering to translate ambiguous product concepts into prototypes that prove the value of new products.Analyze and integrate technologies, such as on-device AI/ML models, new sensors, and... 
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    Immediate start
    Worldwide

    Google

    San Francisco, CA
    5 days ago
  • $160k - $180k

     ...? We don’t really do politics, we don’t have meetings “just for show” or “to make leadership happy”. We are the masters of both prototyping very fast, and at the same time taking more effort or another iteration on a design where needed. And we carefully choose people... 
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    Work at office
    Flexible hours

    Zendar Inc.

    Berkeley, CA
    4 days ago
  • $140k - $180k

     ...components and systems optimized for manufacturability, cost efficiency, scalability, and serviceability (DFM/DFA). Build and test prototypes to validate function, reliability, user interaction, and manufacturability. Develop engineering requirements, test plans, and... 
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    Local area
    Overseas

    Bellwether Coffee

    Berkeley, CA
    9 days ago
  •  ...Technologies Location: Onsite An industry‑leading aerospace organization working on next‑generation flight systems is looking for a Prototype Build Technician to join its Test Equipment Development group. This team plays a central role in building the custom machinery and... 

    Apera

    San Francisco, CA
    4 days ago
  • $90k - $140k

     ...- Perform first-principles engineering, FEA, hand calculations to optimize designs for real-world operation environments - Lead prototype builds, execute test campaigns, and push hardware to its limits to ensure field reliability - Collaborate closely with electrical... 
    Permanent employment
    Full time

    Terranova

    Berkeley, CA
    4 days ago
  • $90k - $120k

     ...growing quickly so there are ample opportunities for career growth. This is hardware test engineering, end to end. Build physical prototypes, bring up hardware, run through experiments that stresses our state of the art products and sensors to generate test data, then... 
    Full time
    Work at office
    Immediate start
    Worldwide
    Flexible hours
    Night shift

    Eight Sleep

    San Francisco, CA
    20 days ago
  • $123k - $187.58k

     ...chemistry, and click chemistry (CuAAC, SPAAC, IEDDA) Prepare bioconjugation reagents to enable studies from proof‑of‑concept through prototype‑kitting Develop and apply selective C‑terminal and N‑terminal conjugation chemistries Develop site‑specific labeling strategies... 
    Full time
    Work at office

    Pow.bio

    Berkeley, CA
    3 days ago
  •  ...simulation and real-world testing to validate system robustness and reliability · Build production-grade autonomy software from prototype to deployment · Collaborate with cross-functional engineering teams to deliver integrated solutions · Extend and integrate open... 

    Advanced Robotics Group, LLC

    Berkeley, CA
    6 days ago
  • $83.2k - $156k

     ...construction details are accurate and updated in PLM. Update 3D samples in CLO3D to help build an asset library for early-stage prototyping. Prepare samples for fittings, measure samples, and review fit comments with the Technical Design Manager. Support... 
    Hourly pay
    Full time
    Freelance
    Seasonal work
    Work at office

    Royal Robbins

    Berkeley, CA
    2 days ago
  •  ...procedures, and the ability to work with sensitive materials (safety training will be provided). Willing to learn and operate prototype-level liquid handling automation systems. Willing to work in a BSL2 lab setting. Good communication and documentation skills... 
    Full time
    Part time
    Flexible hours
    Shift work
    Weekend work
    Afternoon shift

    Correlia Biosystems Inc

    Berkeley, CA
    8 days ago
  • A leading rare-earth metals company in California seeks a Mechanical Engineer to design, prototype, and scale innovative reactors. You will be responsible for creating subsystems in CAD, building prototypes, and supporting continuous improvement. Ideal candidates are skilled... 
    Visa sponsorship

    Solcoa Industries

    Alameda, CA
    1 day ago
  •  ...techniques like hand layup and vacuum bagging. Candidates should be able to interpret engineering drawings and work collaboratively with design teams. The position emphasizes both quality and efficiency in prototype and production environments. #J-18808-Ljbffr Poseidon Aerospace

    Poseidon Aerospace

    San Francisco, CA
    4 days ago
  • $176.6k - $239k

     ...autonomous systems, and the machines of tomorrow? Would you like a career that puts you at the frontier of AI innovation - building prototypes that help customers harness digital twins, synthetic training data, and autonomous robots to solve real-world problems at scale?... 
    Local area
    Worldwide
    Flexible hours
    Day shift

    AmazonWebServices

    San Francisco, CA
    1 day ago
  • $120k - $140k

     ...support. Select and apply appropriate engineering tools and methods to deliver reliable, maintainable systems. Develop and test prototypes, integrate solutions into existing platforms, and perform verification activities to confirm compliance with applicable safety... 
    Full time
    Temporary work
    Worldwide
    Flexible hours

    Hill International

    Berkeley, CA
    a month ago
  • $35 - $40 per hour

     ...with engineers and technicians to install, commission, test, operate, and troubleshoot the electrical and mechanical systems in our prototypes. To be considered for this role you will have 3+ years of hands-on experience as a technician working with high-powered equipment... 
    Local area

    Belcan

    Berkeley, CA
    a month ago
  • $20 - $55 per hour

     ...optimization of structures for mass, stiffness, cost, and manufacturing (hand calcs, tolerance analysis, FEA simulations, etc.). Fabricate prototypes and iterate rapidly from concept to volume production. Work closely with cross‑functional teams to define product requirements... 
    Full time
    Part time
    Summer work
    Internship
    Immediate start

    Deft AI, Inc.

    San Francisco, CA
    5 days ago
  •  ...forefront of medical devices and precision surgery. You will work directly with the co-founders to design, develop, and test our clinical prototype. This is a difficult hands-on engineering challenge that integrates precision mechanics, novel electronics, microfluidics, and... 
    Summer work
    Internship

    Current Surgical Inc.

    San Francisco, CA
    26 days ago
  • $69.26k - $116.48k

     ...site interviews. No relocation assistance. About the Role We are seeking a highly motivated and detail-oriented Hardware Prototype Engineering Technician to join our team. In this hands-on role, you will help service and assemble the next generation of robotic... 
    Hourly pay
    Full time
    Work at office
    Local area
    Remote work
    Relocation
    Flexible hours

    DoorDash USA

    San Francisco, CA
    3 days ago