273 Results for

Intern Jobs in Castro Valley, CA

Jobs

Santa Clara, CA13 days ago

$18–$25 Per Hour

If you arepassionate about construction, eagerto learn from industry leaders, and ready to be a part of a team committed to elevating the business of building, our top-ranked Internship Program is the perfect opportunityto invest in your future as acommercial construction superintendent or project manager. Conductvarious preconstruction procedures by reviewing proposals, specifications, and drawings, executing material takeoffs, preparing cost estimates, and attending internal teammeetings and client walkthroughs .

Alameda, CA30+ days ago

Remote

Foreign nationals who are citizens of countries that are not on the Department of Energy's general authorization list (link below) are not permitted to work in our facility unless the Department of Energy issues an export control license to the company to permit that individual to have access to Part 810-controlled information. Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world's transition to clean energy, with the ultimate goal to dramatically improve people's quality of life while protecting the environment.

Concord, CA30+ days ago

$25–$34.11 Per Hour

This internship provides hands-on experience working alongside licensed engineers and project teams on real-world projects while developing technical, analytical, and professional skills. Compensation depends on several factors including: experience, education, key skills, geographic location of the position, client requirements, external market competitiveness, and internal equity among other employees within APTIM.

San Leandro, CA30+ days ago

$20–$30

Scope: Support the design and development of aircraft structures and mechanical systems, which may include airframe components, landing gear, flight controls, propulsion installations, payload systems, and other flight-critical hardware. This role offers a rare opportunity to work hands-on on real flight hardware while collaborating closely with experienced aerospace founders and a small, highly capable engineering team.

Pleasanton, CA30+ days ago

$30–$35 Per Hour

With advanced capabilities like digital twins, natural language processing, normal behavior modeling, and machine vision, we create real-time virtual replicas of physical assets, enabling predictive maintenance, performance simulation, and operational optimization. Our AI-driven models empower companies with scalable solutions for anomaly detection, performance forecasting, and asset lifetime extension—all tailored to the complexities of industrial environments.

New!

San Jose, CA5 days ago

$35–$45 Per Hour

Currently pursuing a Bachelor’s or Master’s degree in Accounting, Finance, or related field. • Assist with invoice processing, vendor payments, and reimbursement reviews.

San Bruno, CA30+ days ago

$35–$45 Per Hour

Tens of thousands of Mill's residential food recyclers are already helping households divert millions of pounds of food scraps every year, paving the way for our upcoming launch of Mill Commercial—the industry's first end-to-end solution for managing, understanding, and preventing food waste in commercial environments (e.g. We build smart systems and infrastructure for homes, businesses, and municipalities that transform food scraps from landfill-bound waste into valuable resources, including chicken feed.

San Bruno, CA30+ days ago

$35–$45 Per Hour

San Bruno, CA30+ days ago

$35–$45 Per Hour

San Jose, CA30+ days ago

Partner closely with mechanical engineers and cross-functional stakeholders to ensure the solution fits real engineering constraints and integrates into existing tools and processes (e.g., CAD/PDM, BOM workflows, document control, vendor documentation). Build the solution to be usable by other engineers (e.g., lightweight internal app, script, prompt library, or workflow integrated with existing systems such as Arena, SolidWorks PDM, Notion, or Google Sheets).

Concord, CA30+ days ago

Our Electrical services include: Electrical System Master Planning & Studies Power System Design, Protection & Generation, Power System Analysis, Facility System Design, Sustainability/Renewable Energy In this role you would perform a variety of tasks including: Developing drawings for electrical systems (power, controls, communications, fire alarm, and security) using CADD. We provide career opportunities that span a variety of disciplines and geographic locations, with projects that our employees plan, design, build and operate as diverse as the needs of our clients.

San Carlos, California30+ days ago

$23–$33.25 Per Hour
Intern

Company Overview: Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. The Joby Aviation team is made up of extremely talented, hardworking, proactive, and hands-on individuals, operating in a very fast-paced and rewarding environment.

San Mateo, CA30+ days ago

$31–$34 Per Hour

Share this job with a friend (https://careers-kimley-horn.icims.com/jobs/20265/civil-engineering-intern/job?mode=apply&apply=yes&in_iframe=1&hashed=-1834442239). + Interns will learn one or more software programs specific to their disciplines: AutoCAD, Revit, Civil 3D, Excel, Microstation, VISSIM, Open Roads, Synchro and/or GIS.

Santa Clara, CA21 days ago

This role is at the intersection of design and manufacturing and therefore involves collaboration with design, manufacturing, supply chain and quality teams to proactively identify potential issues, develop solutions, and implement processes for a smooth New Product Introduction (NPI) and timely delivery of complex machines. Founded in 2014 and supported by significant funding as of 2024, we're focused on creating efficient solutions that dramatically reduce waste and improve material performance across various sectors such as automotive, telecommunications, and power electronics.

Santa Clara, CA19 days ago

Founded in 2014 and supported by significant funding as of 2024, we're focused on creating efficient solutions that dramatically reduce waste and improve material performance across various sectors such as automotive, telecommunications, and power electronics. The primary deliverables/responsibilities of the position include: Understand and extend a Python framework for laboratory instrumentation, machine control, and data storage and analysis, and its associated continuous integration pipeline.

Santa Clara, CA30+ days ago

You’ll be designing and developing a modern custom UI and Backend integrated with our commercial Eyelit MES (Manufacturing Execution System) to help our engineers model, track, and execute complex experimental wafer runs. Founded in 2014 and supported by significant funding as of 2024, we're focused on creating efficient solutions that dramatically reduce waste and improve material performance across various sectors such as automotive, telecommunications, and power electronics.

New!

Hayward, CA3 days ago

$20–$25 Per Hour

Your core responsibilities will include assisting in product testing, lab maintenance, and engineering documentation support to help in the qualification of new products and product sustaining engineering, which includes the following: Design, fabricate and assemble custom test equipment and fixtures (SolidWorks, Prototype). As the Engineering Intern at Enstall, you will be supporting the Product Development & Innovation Team and working closely within the Testing and Certification Team and the Engineering Services Team.

New!

San Jose, CA1 day ago

$45.75–$50

Our cutting-edge solutions enable unparalleled “time-to-power” capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are rapidly becoming the new norm. This continuous flow of data, the corresponding analysis by experts and the feedback to improve the lifetime of the systems plays a vital role in Bloom’s strategy of providing clean, affordable energy where it’s needed.

Martinez, CA30+ days ago

Past projects/duties include: analyze refinery process flow data and compare to recommended optimum levels, this will help in identifying equipment failures which cause variances in capacity from the optimum levels; update information on gasoline blends and tank samples in preparation for an annual blender waiver audit; develop applications to better present process data for refinery operating decisions. Past projects/duties include: perform process calculations for the Risk Management Plan, including taking physical surveys of refinery process units; work on various process engineering projects within a Wastewater Treatment Plant; participate in inspections and/or testing that is conducted by federal, state, or local officials.

Union City, CA30+ days ago

If a student program that exposes you to exciting projects and potential career paths with one of the country’s largest MEP building systems firms appeals to you and you're ready for the next big step in your career, then JOIN our team and become a part of an organization that values PEOPLE, SAFETY, INNOVATION, COLLABORATION, INTEGRITY, ACCOUNTABILITY & SUSTAINABILITY. Primary responsibility is to assist a design manager or project manager to successfully coordinate a project using the necessary engineering, labor, equipment, materials, tools, and subcontracted services.

Pleasanton, CA27 days ago

Full-time

Our Trust Charter is our Code of Conduct and demonstrates our commitment to ethics, safety, sustainability, quality and cybersecurity, underpinning every aspect of our business and our willingness to behave and respond respectfully and in good faith to all our stakeholders. Manage incoming requests from customers, engineers and project managers efficiently so they are addressed in a timely manner while balancing work assignments .

San Jose, California21 days ago

Products and services include hand and power tools, tool storage, diagnostics software, information and management systems, shop equipment and other solutions for vehicle dealerships and repair centers, as well as for customers in industries, including aviation and aerospace, agriculture, construction, government and military, mining, natural resources, power generation and technical education. Snap-on Incorporated is a leading global innovator, manufacturer and marketer of tools, equipment, diagnostics, repair information and systems solutions for professional users performing critical tasks.

Santa Clara, CA30+ days ago

Consumables Lifecycle Management: Develop a tracking workflow for high-turnover items (carriers, filters, polishing pads, chemicals) to prevent stock-outs and ensure appropriate rotation (FIFO, FEFO, LIFO, or cost). Founded in 2014 and supported by significant funding as of 2024, we're focused on creating efficient solutions that dramatically reduce waste and improve material performance across various sectors such as automotive, telecommunications, and power electronics.

Santa Clara, CA30+ days ago

Founded in 2014 and supported by significant funding as of 2024, we're focused on creating efficient solutions that dramatically reduce waste and improve material performance across various sectors such as automotive, telecommunications, and power electronics. The primary deliverables/responsibilities of the position include: Build, align and operate prototype assemblies for laser processing, laser & optical component characterization, and wafer/ingot inspection.

San Jose, CA28 days ago

$30–$34 Per Hour

Recognized as a technology leader, Sanmina Corporation provides end-to-end manufacturing solutions, delivering superior quality and support to Original Equipment Manufacturers (OEMs) primarily in the communications networks, defense and aerospace, industrial and semiconductor systems, medical, multimedia, computing and storage, automotive and clean technology sectors. Required to stand, walk, sit, stoop, bend; talk and hear in person; use hands to finger, handle or feel objects or controls; reach with hands and arms; substantial movements (motions) of the wrists, hands, and/or fingers; repetitive motion.

New!

San Jose, CA3 days ago

$30–$34 Per Hour

Hercules, California30+ days ago

The intern will work closely with cross-functional stakeholders and gain experience in data analysis, business problem-solving, executive communication, and project delivery within a dynamic, collaborative environment. Actual compensation will be provided in writing at the time of offer, if applicable, and is based on several factors we believe fairly and accurately impact compensation, including geographic location, experience, knowledge, skills, abilities, and other job permitted factors.

New!

San Francisco, CAToday

$25–$30 Per Hour

The Internship program is structured to allow interns to work alongside other interns, junior staff, and senior managers to help address challenges and opportunities related to equitable, sustainable economic development and growth, real estate development and/or repositioning, climate advisory services, economic diversification, and other types of issues related to our core practice areas. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

San Jose, CA30+ days ago

$25–$35 Per Hour

Archer is an aerospace company based in San Jose, California building an all-electric vertical takeoff and landing aircraft with a mission to advance the benefits of sustainable air mobility. Our sights are set high and our problems are hard, and we believe that diversity in the workplace is what makes us smarter, drives better insights, and will ultimately lift us all to success.

San Jose, CA30+ days ago

$25–$35 Per Hour

San Jose, CA30+ days ago

$25–$35 Per Hour

Berkeley, CA25 days ago

We are seeking a Manufacturing Engineering Intern for the summer to support key engineering initiatives while gaining hands-on experience in a fast-paced manufacturing environment. Mayville Engineering Company (MEC) is a leading provider of custom metal fabrication solutions, partnering with top OEMs to deliver innovative, high-quality products.

San Jose, CA30+ days ago

Pursuing a degree in Civil Engineering or related field (Mechanical, Electrical, Civil, or Environmental Engineering) . Develop skills in interpreting construction drawings, scheduling, cost tracking, and quality control.

Alameda, CA30+ days ago

San Carlos, California30+ days ago

$22–$31 Per Hour
Intern

Company Overview: Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. During this internship, you will be embedded within a small team of engineers, and will contribute directly towards the design, validation, and test development of our revolutionary electric air taxi.

San Jose, CA13 days ago

$20–$40 Per Hour

Overall, you will gain exposure to both software development and lab operations, own an end-to-end project from idea to deployment, and produce a strong, practical portfolio project with real impact. You will be building a simple, internal web application to track lab assets including testers, stations, boards, and chips.

Burlingame, CA30+ days ago

You will be responsible for contributing to product language needs, contributing to the strategic vision for data-based model and product improvements, working with cross-functional partners to create consistent language products across dialects and languages, and helping to design and develop Meta’s language data infrastructure. Training in various areas of linguistics, including phonetics, phonology, morphology, syntax, semantics, pragmatics, discourse analysis, sociolinguistics, psycholinguistics, computational linguistics, and field work.

New!

San Jose, CAToday

$41,600–$47,840 Per Year

Recognized as a technology leader, Sanmina Corporation provides end-to-end manufacturing solutions, delivering superior quality and support to Original Equipment Manufacturers (OEMs) primarily in the communications networks, defense and aerospace, industrial and semiconductor systems, medical, multimedia, computing and storage, automotive and clean technology sectors. Job DescriptionSanmina Corporation (Nasdaq: SANM) is a leading integrated manufacturing solutions provider serving the fastest growing segments of the global Electronics Manufacturing Services (EMS) market.

Santa Clara, CA30+ days ago

$31–$45 Per Hour

As a Product/Test Engineering intern, you’ll support the development and implementation of strategies that achieve profitability targets on assigned TI product lines through new product development, cost reduction, capacity expansion and yield enhancement projects. Texas Instruments Incorporated (Nasdaq: TXN) is a global semiconductor company that designs, manufactures and sells analog and embedded processing chips for markets such as industrial, automotive, personal electronics, communications equipment and enterprise systems.

Santa Clara, CA30+ days ago

$31–$45 Per Hour

Texas Instruments Incorporated (Nasdaq: TXN) is a global semiconductor company that designs, manufactures and sells analog and embedded processing chips for markets such as industrial, automotive, personal electronics, communications equipment and enterprise systems. + Pursuing an undergraduate or graduate degree in Electrical Engineering, Electrical and Computer Engineering, Computer Engineering or related field.

Santa Clara, CA30+ days ago

$31–$45 Per Hour

Work on hands-on, challenging projects and have opportunities to present your findings to leaders, including running a market analysis, customer case studies, running a project kick off, choosing high growth accounts, and making a final intern presentation. Texas Instruments Incorporated (Nasdaq: TXN) is a global semiconductor company that designs, manufactures and sells analog and embedded processing chips for markets such as industrial, automotive, personal electronics, communications equipment and enterprise systems.

Campbell, CA30+ days ago

This intern will assist manufacturing engineers with manufacturing processes, design fixtures and equipment to be used on the production line and help troubleshoot manufacturing issues to affect production and delivery targets. The Human Resources Department at Imperative Care requests that external recruiters/staffing agencies not to contact Imperative Care employees directly in an attempt to present candidates.

Campbell, CA7 days ago

The intern will work closely with senior engineers to execute tests, improve test methods, document results, support root-cause investigations, and help build the tools and processes needed to mature the design toward manufacturing readiness. At Imperative Care we are developing novel robotic-assisted technologies, and interventional capabilities that will forever change the disparate outcomes of ischemic stroke - a disease that impacts close to a million people a year in the US and 10 million worldwide.

Palo Alto, CA30+ days ago

Matroid is a full-service computer vision company that has developed an end-to-end platform allowing enterprise customers to rapidly train and deploy automated visual inspection on imagery including EO, IR, X-Ray, CT, OCT, and others. Founded in 2016 by a Stanford professor, Matroid has raised $33.5 million from NEA, Energize Ventures, and Intel Capital and has a broad range of customers and partners in manufacturing, industrial IoT, and security.

Rodeo, CA30+ days ago

$2,894–$3,308 Per Week

The Rodeo Renewable Energy Complex is a state-of-the-art facility processing renewable feedstocks (waste oils, fats, greases, and vegetable oils) to produce vital transportation fuels, including renewable diesel and sustainable aviation fuels for California, Oregon, Washington, and British Columbia. Through its refining business segment, Phillips 66 is upgrading crude oil and other feedstocks into higher-value petroleum products including clean-burning gasoline, ultra-low-sulfur diesel, jet fuel, lubricants, petroleum coke and other specialty products while maintaining a high regard for safety and environmental limitations.

Union City, CA30+ days ago

If a student program that exposes you to exciting projects and potential career paths with one of the country’s largest MEP building systems firms appeals to you and you're ready for the next big step in your career, then JOIN our team and become a part of an organization that values PEOPLE, SAFETY, INNOVATION, COLLABORATION, INTEGRITY, ACCOUNTABILITY & SUSTAINABILITY. At Southland, we view every student as a potential hire and ensure each intern, co-op student, and every new college graduate is truly set up for success to accomplish short and long term career goals.

Mountain View, CA13 days ago

Client is seeking a PhD student in Computer Science, Electrical Engineering, Mechanical Engineering, or a related engineering discipline to work on Connected Driving World Models. Our client, a major employer in the area, is looking for a Summer Intern Connected Driving World Models to be part of its team in its North American operations.

Martinez, CA30+ days ago

Typical college co-op assignments include the following: troubleshooting system power supply problems, control system programming, hardware and software lifecycle replacement projects, installing and troubleshooting communication networks and monitoring control system performance metrics. The majority of Electrical Engineering co-ops and interns enter into the following positions: Electrical & Instrumentation (E&I) Project Engineers work on a variety of real-world electrical and instrumentation projects in a refinery setting.

San Francisco, CA13 days ago

$23–$26 Per Hour

Incorporating industry-leading preconstruction services and safety practices, the Company’s multi-disciplined team of engineering and construction professionals delivers a wide range of projects, including new facilities, infrastructure improvement and expansion, and capital construction services. MWH Constructors, a global leader in heavy civil construction of water and wastewater facilities, is currently seeking a construction-focused intern to join our SFPUC Wastewater treatment project based out of San Francisco, Ca.

Martinez, CA13 days ago

$24–$28 Per Hour

Incorporating industry-leading preconstruction services and safety practices, the Company’s multi-disciplined team of engineering and construction professionals delivers a wide range of projects, including new facilities, infrastructure improvement and expansion, and capital construction services. MWH Constructors, a global leader in heavy civil construction of water and wastewater facilities, is currently seeking a construction-focused field engineer intern to join our CMS Project based out of Martinez, CA.

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Intern Jobs in Castro Valley, CA

Jobs

Commercial Construction InternHITT Contracting

Finance Intern - Summer 2026Kairos Power

Civil Engineering InternAPTIM

Mechanical Engineering Intern (Summer 2026)Grid Aero

Full Stack Engineering InternAvathon

Accounting / Finance InternTETRAMEM INC

Product Design Engineering Intern, Summer 2026Mill

Electrical Engineering Intern, Summer 2026Mill

Hardware Systems Engineering Intern, Summer 2026Mill

Mechanical Engineering InternAntora Energy

Electrical Engineering Intern (Summer 2026!)CDM Smith

Cell Test Engineering Intern (Summer/Fall 2026)Joby Aviation

Civil Engineering InternKimley-Horn

NPI Mechanical Engineering InternHalo Industries, Inc.

Research Software Engineering InternHalo Industries, Inc.

Software Engineering Intern- Full Stack DeveloperHalo Industries, Inc.

Engineering InternEnstall

Software Engineering Intern - AutomationBloomEnergy

Refining Chemical Engineering Intern/Co-op Summer 2026Marathon Petroleum Corporation

Intern - Project EngineerSouthland Industries Inc.

Systems Application Engineering InternSchneider Electric USA, Inc

Engineering College Intern - SQASnap On

Manufacturing Engineering Intern - Asset & Materials ManagementHalo Industries, Inc.

Optics & Laser Engineering InternHalo Industries, Inc.

Manufacturing Engineering Intern - (108710)Sanmina

Manufacturing Engineering Intern - (109786)Sanmina

Graduate Student Finance InternBio-Rad Laboratories, Inc.

Consulting Services InternAECOM

ECS Engineering InternArcher

Automation Controls Engineering InternArcher

M&P Engineering InternArcher

Manufacturing Engineering InternCenter Mfg

Student Civil Engineering InternJohnson Service Group

Accounting Summer InternKairos Power

Electrical Engineer - Intern (Summer 2026)Joby Aviation

Software Engineering Intern – Internal Lab Asset Tracking ToolTETRAMEM INC

Linguistic Engineering InternMeta

Finance Intern - (110039)Sanmina

Product, Test or Validation Engineering Intern - Santa ClaraTexas Instruments

Product Marketing Engineering Intern - Santa ClaraTexas Instruments

Sales Engineering Intern (Santa Clara, CA)Texas Instruments

Manufacturing Engineer InternImperative Care

Mechanical Engineer InternImperative Care

Software Engineering Intern, Product (Summer 2026)Matroid

2026 University Intern - Rodeo Refining EngineerPhillips 66

Intern - Design EngineerSouthland Industries Inc.

Summer Intern– Connected Driving World ModelsAva Consulting

Intern/Co-op - Refining Electrical Engineering - Spring 2026Marathon Petroleum Corporation

Construction Intern - MWHMWH

Field Engineer InternMWH

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