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81 engineering internships jobs at 50 companies in Fairfield, CA

2mo
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Internships & Co-ops
South San Francisco, California, United States
OnsiteInternship, Temporary
Western Magnetics
Western Magnetics: Manufacturer of electric motors for drones and robots.
Currently enrolled undergraduate or graduate students in engineering, operations, business, or related fields; interest in robotics/drone tech; collaborative, good communication; CAD and Microsoft Excel experience preferred; authorized to work in the U.S. for the internship period.
CAD, Microsoft Excel
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3d
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Engineering Internship (January-June 2027)
Fresno or Modesto or Lodi or Livingston
$27/hr OnsiteMultiple Commitments Available
Gallo
Gallo: Produces and distributes wine and spirits globally.
Currently enrolled in or holding a bachelor's degree in Engineering or Engineering Management; available six consecutive months; technical, analytical, communication, organizational, and teamwork skills required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
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2w
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Mechanical Engineering Internship
Alameda, California, United States
$30/hr OnsiteFull Time, Internship
Longshot Space Technologies
Longshot Space Technologies: Developing ground-based kinetic launch systems for hypersonic and space applications.
Pursuing B.S. or M.S. in Mechanical/Aerospace Engineering, experience with hand tools and machining, proficiency in SolidWorks, basic fluid dynamics/structures knowledge, and mechanical troubleshooting skills.
SolidWorks
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6d
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Software Engineering Internship
San Francisco, California, United States
OnsiteMultiple Commitments Available
Hypercubic
Hypercubic: AI platform for modernizing large-scale legacy enterprise software.
Currently enrolled undergraduate or graduate student with strong programming fundamentals, engineering judgment, rapid learning ability, and demonstrated project, research, open-source, internship, or coursework experience.
COBOL, TDD, HPC
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4w
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Nuclear Engineering Internship - Summer 2027
Alameda or Albuquerque or Oak Ridge
$30-$34/hr OnsiteInternship
Kairos Power
Kairos Power: Developing fluoride salt-cooled nuclear reactors for clean energy.
Current student in engineering (nuclear/mechanical/materials/chemical/engineering science) with coursework or experience in reactor physics, thermal hydraulics, CFD, or related areas; familiarity with Python/MATLAB/C++/Fortran and Microsoft Office; strong communication and problem-solving skills.
Python, MATLAB, C++, Fortran, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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1mo
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Summer 2027 Engineering Internship
San Francisco, California, United States
OnsiteFull Time
Haast Autonomous
Haast Autonomous: Building autonomous VTOL aircraft for rapid medical logistics.
Pursuing a technical degree; hands-on experience with aircraft, drones, robotics, or hardware projects preferred; comfortable in shop/hangar/field environments and able to take ownership of projects.
CAD, 3D printing, Python, MATLAB, SolidWorks, ArduPilot, PX4
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2w
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Software Engineering Internship 2027
San Francisco, California, United States
$62/hr HybridInternship, Full Time
Samsara
SamsaraNYSE: IOT: Connected Operations Cloud platform for physical operations and IoT.
Currently a junior on track to complete a relevant bachelor’s degree in 2028–2029; hybrid internship (3 days/week in San Francisco); full-time paid internship; submit resume and answer application questions.
Golang, TypeScript, React, GraphQL, React Native
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2w
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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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2w
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Summer 2027 Intern - Hardware Engineering
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$34-$47/hr HybridInternship
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEEarly-career candidates pursuing or holding technical degrees in engineering or related fields; experience via coursework, internships, projects; familiarity with programming, embedded systems, digital logic, or hardware design; strong analytical and communication skills.
RTL, Verilog/SystemVerilog, FPGA, C, C++, Assembly, Python, Java, Go, SQL, JavaScript, CAD, Git, Linux, Microsoft Office, RTOS
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3mo
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Rotational Development Program, Engineering, Operations, and Supply Chain
Monroe or Rockwood or Mason City or Monroe or Berlin or Montgomery or Salem or Memphis or New Haven or Las Vegas or Milan or Sacramento or Phoenix
FieldFull Time
ASSA ABLOY
ASSA ABLOYNasdaq Stockholm: ASSA B: Global manufacturer of locks and automated entrance systems.
Bachelor's in engineering, supply chain, or operations (minimum 3.0 GPA) required; internships desirable. Must be willing to relocate for rotations and travel to multiple manufacturing sites. Strong communication and curiosity.
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1w
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Fullstack Engineering Internship, Product Team (Fall 2026 & Winter 2027)
San Francisco, California, United States
$10k/mo OnsiteInternship, Full Time
Composio
Composio: Infrastructure and toolkits for building functional AI agents.
Build full-stack products from scratch, develop for language models, write clear documentation, explain complex ideas, and demonstrate strong product engineering judgment.
TypeScript, React, Tailwind, Next.js
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2mo
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Backend Engineering Intern
San Francisco or Istanbul or Ankara
HybridFull Time, Internship
PlusMinusOne
PlusMinusOne: Develops and markets a portfolio of utility and lifestyle apps
0+ YOE3rd/4th-year CS or engineering student with backend interest; hands-on backend experience via coursework/projects/internships; OOP, data structures, algorithms, and Git familiarity; strong analytical and communication skills.
Git
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3w
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Brown and Caldwell Internship (Design, Engineering, Marketing)
Walnut Creek, California, United States
$18-$30/hr OnsiteFull Time
Brown and Caldwell
Brown and Caldwell: Provides environmental engineering services for water and infrastructure systems.
Currently enrolled undergraduate or graduate student with minimum 3.0 GPA; no prior experience required; strong communication, organization, teamwork, and Microsoft Office skills.
Microsoft Office, Adobe Creative Suite, Canva
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2d
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Civil Engineer I - San Francisco, CA
San Francisco, California, United States
FieldFull Time
RSI EnTech
RSI EnTech: Provides environmental restoration and nuclear facility management services.
Bachelor's degree in engineering or related field with 48 hours of engineering, science, and mathematics coursework. 1–2 years and internship preferred; HAZWOPER and engineer-in-training certification preferred.
Microsoft Office, Microsoft Excel, Windows
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1w
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WED - 2027 New Grad Mechanical & Fire Protection Engineer I (For Current & Recent HNTB Interns Only)
Oakland, California, United States
$83k-$125k/yr OnsiteFull Time
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
Bachelor's degree in engineering and current or recent HNTB internship experience. Supports engineering design, calculations, reports, plans, specifications, research, and field investigations.
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3mo
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Engineer - San Francisco, CA
San Francisco, California, United States
$72k-$85k/yr OnsiteFull Time
DeSimone
DeSimone: Global structural engineering firm specializing in high-performance building design.
1+ YOEBachelor of Science in Structural or Civil Engineering (ABET) with 1+ years of relevant coursework; internship; coursework in concrete, steel, wood, masonry; pass basic engineering skills test.
Revit, Rhino
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3mo
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Engineer - San Francisco, CA
San Francisco, California, United States
$72k-$85k/yr OnsiteFull Time
DeSimone
DeSimone: Provides structural engineering and design services for complex building projects.
1+ YOEBachelor of Science in Structural or Civil Engineering; ABET-accredited program; 1+ years relevant coursework; internship in structural engineering; coursework in concrete/steel/wood/masonry; EIT preferred; pass basic engineering skills test.
Rhino, Revit
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9h
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Intern - HVAC Controls Engineer
Union City, California, United States
$26/hr OnsiteInternship, Full Time
Southland Industries
Southland Industries: National expert in mechanical, electrical, and plumbing building systems.
Student internship supporting HVAC controls engineering, software design, programming, system testing, documentation, troubleshooting, customer training, and building automation design.
Central Processing Unit (CPU)
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1w
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Hydropower EIT
Sacramento or Folsom
FieldFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
Bachelor's degree in engineering, Engineer in Training certificate, Microsoft Office skills, and commitment to collaborative employee-owned culture; related internship or academic project experience preferred.
Autodesk, Bentley, AutoCAD, MicroStation, HEC-RAS, GIS, Mathcad, Microsoft Excel, Microsoft Office
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1w
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Intern - Project Engineer
Union City, California, United States
$26/hr OnsiteInternship
Southland Industries
Southland Industries: Provides integrated mechanical, electrical, and plumbing building systems solutions.
0+ YOEPaid internship for students supporting design-build project coordination, engineering, estimating, scheduling, procurement, budgeting, and document control; requires communication, problem-solving, initiative, and teamwork.
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