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79 engineering internship jobs at 47 companies in Rialto, CA

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Return Engineering Internship, Summer 2027
Irvine or Draper or Salt Lake City
$54k-$72k/yr OnsiteFull Time
Edwards Lifesciences
Edwards LifesciencesNYSE: EW: Designs and manufactures medical devices for structural heart disease.
Currently enrolled university student (graduating Dec 2027 or later), available full-time May/June–Aug 2027, comfortable in lab work, GPA 3.0+, no visa sponsorship accepted.
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1w
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Summer 2027 - Software Engineering Internship
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$35-$46/hr OnsiteInternship
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
Currently pursuing a Bachelor's or Master's in a technical field, experience with one or more programming languages (C,C++,Python,Java,Go,SQL,JavaScript), strong problem-solving and communication skills.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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2mo
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Environmental, Health & Safety Internship
South Gate, California, United States
OnsiteInternship
Precision Castparts Corp.
Precision Castparts Corp.NYSE: BRK.B: Manufacturer of complex metal components for aerospace and industrial markets.
0+ YOEPursuing degree in engineering/safety/EH&S or related field; 10+ credits; GPA 3.0+; on-site internship; OSHA/EPA familiarity; MS Office proficiency.
Gensuite, Microsoft Office
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3w
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Engineering Intern (Part-Time)
Santa Ana, California, United States
$20-$21/hr OnsitePart Time, Internship
City of Santa Ana
City of Santa Ana: Provides essential public services and infrastructure to Santa Ana residents.
Currently enrolled undergraduate in engineering/construction-related curriculum with GPA ≥2.5, knowledge of AutoCAD or MicroStation and Microsoft Office, valid driver’s license, ability to conduct field investigations and office tasks.
AutoCAD, MicroStation, Microsoft PowerPoint, Microsoft Excel, Microsoft Word, Microsoft Access
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Engineering Intern
Rancho Santa Margarita, California, United States
$20-$23/hr OnsiteMultiple Commitments Available
Virtium
Virtium: Designs and manufactures industrial-grade storage and memory modules.
Current college student in EE/CE/CS or related field; basic hardware/embedded systems knowledge; strong analytical and documentation skills; U.S. work authorization required; no visa sponsorship.
Python, C, C++
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1mo
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Geotechnical Engineering Intern
Irvine, California, United States
OnsiteInternship, Part Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
Currently enrolled in an undergraduate or graduate engineering program; basic Microsoft Office skills; willingness to work on-site and in the field; strong problem-solving, communication, and attention to detail; ~20 hours/week.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Geotechnical software
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Geotechnical Engineering Intern
Irvine, California, United States
$22-$26/hr OnsiteMultiple Commitments Available
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
Currently enrolled in an undergraduate or graduate engineering program; basic Microsoft Office skills; attention to detail, problem-solving and communication skills; willingness to perform field work; ~20 hrs/week onsite.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Office, Geotechnical software
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4d
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Engineering Intern (Mechanical or Electrical)
Tustin, California, United States
$20-$23/hr OnsiteMultiple Commitments Available
Design West Technologies
Design West Technologies: Designs and manufactures aerospace and defense electro-mechanical systems.
Pursuing or recent B.S. in mechanical/electrical/aerospace/industrial engineering; SolidWorks and MS Office (Word, Excel) skills; blueprint reading preferred; strong attention to detail and communication.
SolidWorks, MS Office, Microsoft Word, Microsoft Excel
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2mo
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Mechanical Engineering Intern Fall 2026
Long Beach, California, United States
$28/hr OnsiteInternship
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
0.25+ YOEEnrolled in BS/MS/PhD in engineering/physics/math with ≥1 semester remaining, GPA ≥3.0, ≥3 months applied engineering experience, able to work full-time on-site for ≥12 weeks beginning Aug/Sept 2026.
CAD/CAM, NX, Teamcenter, ANSYS, Simcenter 3D, FEMAP/NASTRAN, 3D printing
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1mo
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Engineering Co-op — Fall 2026
Huntington Beach, California, United States
$2k-$2k/wk OnsiteFull Time, Internship
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
Currently enrolled in a BS/MS/PhD engineering program (mechanical, aerospace, electrical, computer science, or related); intellectual curiosity and interest in defense/autonomous systems.
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2mo
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Electromechanical Design Engineering Intern - Fall 2026
Irvine or Palo Alto or Normal
$38-$51/hr OnsiteInternship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture focusing on automotive software and hardware solutions.
Enrolled in a US Bachelor's or Master's program; electrical engineering fundamentals; strong electronics knowledge.
PCIe, CAN, Ethernet, USB, I2C, SPI, PLM
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1d
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Software Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Currently pursuing BS/MS in computer/software engineering or related with anticipated graduation 2027–2029; full-time internship availability June–Aug; U.S. work authorization required; 3.0 GPA preferred; experience with programming/projects preferred.
C, C++, C#/.NET, SQL, JavaScript, Java, Python, Swift, HTML/CSS, Microsoft Visual Studio, Jenkins, GitLab
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Internship Program - Field Application Engineer
Milpitas or Irvine
FieldPart Time
WNC
WNCTaiwan Stock Exchange: 6285: Designs and manufactures wireless communications and networking equipment globally.
Pursuing or recently completed Bachelors/Masters in Computer Science or Electrical Engineering; knowledge of 5G/LTE, RF, antenna, O-RAN; hands-on experience with 5G products, Wi-Fi routers, IoT; strong communication and customer-facing skills.
5G, LTE, O-RAN, Wi-Fi, IoT, Microsoft SharePoint, Microsoft Windows, Atlassian Confluence, HipChat, Internet Protocol (IP)
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3mo
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Intern - Engineering
Irvine, California, United States
$19-$22/hr OnsiteInternship, Part Time
Transportation Corridor Agencies
Transportation Corridor Agencies: Operates and maintains public toll roads in Orange County.
0+ YOEJunior/senior undergrad or graduate student in civil/transportation/environmental engineering; GPA 2.5+; strong MS Office; basic reading of drawings; eager to learn; no prior experience required.
Microsoft Office, AutoCAD, GIS
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2w
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2027 North America Software Engineering Internship
Bellevue or Boulder or Denver or Irvine or New York or Seattle
$46-$62/yr HybridInternship
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
Enrolled in a Bachelor's or Master's program, expected to graduate 2027–2028; fluent in one or more object-oriented languages; strong data structures and algorithms; available to work 3 days in office (Tue–Thu).
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1w
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Department of Transportation - Paid Student Internship
Riverside, California, United States
$18-$22/hr OnsiteInternship
County of Riverside
County of Riverside: Provides regional government services and public safety for county residents.
Currently enrolled in a Bachelor's program (Civil Engineering preferred), minimum 2.5 GPA, must provide transcript and resume, available ~20 hrs/week, able to perform traffic-related data and field work.
Microsoft Office Suite, Adobe Creative Suite, Canva
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3w
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Intern, Power Electronics Engineering
Garden Grove, California, United States
$25-$35/hr HybridMultiple Commitments Available
Harbinger
Harbinger: Produces electric chassis platforms for medium-duty commercial transport vehicles.
Engineering student enrolled in bachelor's/masters/PhD in power electronics, hands-on power electronics coursework/experience, knowledge of analog/digital circuits, PCB layout, high-voltage automotive systems, and data acquisition.
LTspice, PLECS
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2w
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Construction Management Internship - Summer 2027
Atlanta or Melrose Park or Las Vegas or Hayward or Wilsonville or Sparks or Mukilteo or City of Industry or Manassas
HybridFull Time
Anning-Johnson
Anning-Johnson: Provides specialty construction services including drywall and metal decking.
Current student in construction management, engineering, or related field; motivated, team-oriented, willing to work in office and on jobsite; eager to learn; strong work ethic.
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2w
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Associate Project Engineer
San Francisco or Irvine
OnsiteFull Time
Qcells
Qcells: Provider of solar modules, energy storage, and EPC services.
0+ YOEBachelor's in mechanical,electrical or energy engineering; experience or internships in solar/ESS project engineering; familiarity with permitting; proficiency in AutoCAD,HelioScope,PVsyst and Microsoft Office.
AutoCAD, HelioScope, PVsyst, Microsoft Office
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2mo
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Powertrain Performance Test Engineer (Chino, CA, US, 91710)
Chino, California, United States
$70k-$93k/yr OnsiteFull Time
Hyundai America Technical Center
Hyundai America Technical CenterKorea Exchange: 005380: Designs and engineers vehicles for the North American market.
1+ YOEBachelor in Mechanical or Aerospace; 1+ years engineering experience; automotive internship; data acquisition; MATLAB; driving license; strong communication.
MATLAB, Data acquisition systems, Microsoft Office
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