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309 intern engineering jobs at 192 companies in Vallejo, CA

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Engineering Intern
Menlo Park, California, United States
$69k-$75k/yr OnsitePart Time, Temporary
West Bay Sanitary District
West Bay Sanitary District: Provides wastewater collection and water reclamation services to Menlo Park.
Recent civil engineering graduate or junior/senior civil engineering student. Knowledge of AutoCAD, GIS, Microsoft Office, Microsoft Access, SQL Server; ability to perform field surveys, plan review, drafting, data analysis, and travel to job sites. Valid Class C driver license required.
Microsoft Office, GIS, AutoCAD, Microsoft Access, SQL Server, GPS
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3w
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Engineering Intern
South San Francisco, California, United States
OnsiteTemporary, Internship
Western Magnetics
Western Magnetics: Manufacturer of electric motors for drones and robots.
Currently enrolled in an engineering undergraduate or graduate program; interest in robotics/drone technology; internship or project experience; basic CAD, PCB layout, embedded programming, and data analysis skills; authorized to work in the U.S.
CAD, PCB layout tools, embedded programming, data analysis, simulation
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3w
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2026 Fall Engineering Intern
San Francisco, California, United States
OnsiteMultiple Commitments Available
Estes Energy
Estes Energy: Develops zero-emission battery systems for commercial vehicle electrification.
Pursuing an engineering degree or equivalent hands-on experience; able to design, build, and test components or subsystems; run experiments, analyze data, document results, and take ownership of a project.
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Manufacturing Engineering Intern (Fall 2026)
Redwood City, California, United States
OnsiteInternship
Sunday
Sunday: Developing autonomous robots to perform household chores.
Currently enrolled in a BS/MS engineering program; experience with CAD (OnShape or SolidWorks), prototyping, DFM/DFA, and hands-on manufacturing or intern/project experience preferred.
CAD, OnShape, SolidWorks, 3D printing
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1w
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Metallurgical Engineering Intern
Alameda, California, United States
$35-$45/hr OnsiteInternship
Solcoa
Solcoa: Produces carbon-zero rare earth metals by recycling industrial magnets.
Enrolled in BS/MS in metallurgical engineering, materials science, or related field; hands-on lab/furnace experience; exposure to high-temperature processing; strong documentation and safety focus; on-site availability.
ICP-OES, SEM-EDS, LECO O/N, Python, MATLAB, FactSage, HSC
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2w
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Civil Engineering Intern
Concord, California, United States
$25-$34/hr OnsiteInternship, Temporary
APTIM
APTIM: Provides environmental, resilience, and infrastructure engineering solutions.
Undergraduate civil/engineering student (≥60 credit hours, ≥3.0 GPA) available May 18–Aug 7, 2026. Must be 18+, US citizen for some sites, able to complete 40-hour HAZWOPER, perform field lifting, and work in office/field settings.
AutoCAD Civil 3D
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Engineering Intern
San Francisco, California, United States
$40-$50/hr OnsitePart Time, Internship
Fluency
Fluency: Automates enterprise process mapping and documentation with artificial intelligence.
Currently pursuing or recently completed a CS/Engineering degree (or equivalent experience). Solid programming fundamentals, familiarity with Python or TypeScript, strong communication, and ability to work on-site in San Francisco at least 3 days/week for 13 weeks.
Python, TypeScript, React, LLM APIs, RAG, agents
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Engineering Intern (Extra Help)
Napa, California, United States
$22-$30/hr FieldTemporary
City of Napa
City of Napa: Provides municipal services and infrastructure for the community.
No prior experience required; must be 18+, possess valid California Class C driver license, able to lift 25 lbs, work outdoors, collect GPS data, read maps, and follow safety guidelines.
ArcGIS, GPS
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2026-2027 Facilities Engineering Intern (Previous Intern)
Houston or Ames or Bakersfield or Belle Chasse or Covington or El Segundo or Geismar or Greeley or Midland or Pasadena or Pascagoula or Richmond or Salt Lake City
$28-$8k/mo OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Bachelor's or Master’s in Chemical Engineering; strong academics; leadership, teamwork, problem-solving; relocation possible.
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Mechanical Engineering Intern (Summer 2026)
San Francisco, California, United States
OnsiteInternship, Full Time
Blackstar Computers
Blackstar Computers: Building AI-native personal computing hardware and software systems.
Pursuing a mechanical engineering (or related) degree, proficiency with 3D CAD, understanding of tolerancing and manufacturing, available full-time in-person in San Francisco for ≥10 weeks.
3D CAD
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Mechanical Engineering Intern (Summer 2027)
Burlingame, California, United States
$30-$45/hr OnsiteInternship
Xona Space Systems
Xona Space Systems: Operates low Earth orbit satellites for high-precision navigation services.
Currently pursuing a BS or MS in mechanical/aerospace engineering, CAD (SolidWorks) experience, hands-on prototyping and fabrication experience, strong problem-solving and communication skills, available full-time on-site for internship.
SolidWorks
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2mo
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Summer Engineering Intern
San Francisco, California, United States
$6k-$8k/mo OnsiteInternship
Varick Agents
Varick Agents: A fast-growing startup delivering AI solutions for large enterprises without mentioning the name.
Pursuing CS or related degree; strong programming fundamentals; full-stack capability; focus on code quality and reliable shipping; high initiative.
Python, JavaScript, React, Next.js, AWS, GCP, Azure, Graph databases, OCR, Information extraction, LLM APIs
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Software Engineering Intern
San Francisco, California, United States
OnsiteInternship
SnailWorks
SnailWorks: SnailWorks provides mail tracking and delivery intelligence software for marketers.
Enrolled in Software Engineering/CS program; proficient in TypeScript, Python, or Go; able to read code; curious about data systems and LLM-driven apps; strong written communication; operator mindset.
TypeScript, Python, Go
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2w
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Fall '26 Intern - Electrical Engineering
San Francisco, California, United States
OnsiteMultiple Commitments Available
Moss
Moss: Builds robots to scan trees for automated farm inventory.
Hands-on PCB and power-system design experience, firmware proficiency in C/C++, high-speed and mixed-signal design knowledge, sensor and autonomy hardware integration (LiDAR, cameras, GPS, IMUs), manufacturing/DFM experience, and real-world project work beyond coursework.
PCB, LiDARs, cameras, GPS, IMUs, Jetson, USB, Ethernet, MIPI/CSI, CAN, UART, SPI, I2C, C, C++
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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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2mo
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Electrical Engineering/Power System Intern
Denver or San Carlos or San Diego
$25-$30/hr HybridInternship
SB Energy
SB Energy: Develops, builds, and operates utility-scale renewable energy infrastructure.
Pursuing a degree in Electrical Engineering; familiarity with data center electrical design concepts; strong communication and willingness to learn.
AutoCAD
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Supplier Industrialization Engineering Intern (Fall 2026)
South San Francisco, California, United States
OnsiteFull Time, Internship
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
Undergraduate (completed 2nd year) or graduate student in engineering or related field; proficiency in 3D CAD (NX preferred), GD&T, manufacturing processes, APQP/PPAP, problem-solving frameworks (8D, FTA, Pareto), and process documentation.
NX, GD&T, APQP, PPAP, 8D, FTA, Pareto Analysis, FMEAs, Control Plans, Work Instructions, Zipline Approval Process (ZAP), PCBA
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Software Engineering Intern
Palo Alto, California, United States
$8k-$10k/mo OnsiteInternship
GenBio AI
GenBio AI: Developing AI foundation models to simulate and program biology.
0+ YOECurrently enrolled in a full-time Master’s or Ph.D program; strong CS fundamentals; frontend React/TypeScript; backend with FastAPI; self-starter in fast-paced startup.
React, TypeScript, FastAPI, Python, REST, SQL, NoSQL, Docker
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3mo
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Software Engineering Intern (Summer 2026)
Palo Alto, California, United States
HybridFull Time, Internship
Spacial
Spacial: A software building AI-powered platform for design and engineering.
Pursuing a Bachelor's or Master's in CS/Engineering; strong Python, JavaScript, or TypeScript; interest in AI/LLMs; startup environment.
Python, JavaScript, TypeScript
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Director, Engineering — Engineering Acceleration
San Mateo, California, United States
$399k-$458k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
Proven experience leading and growing engineering teams, deep technical background in backend/distributed systems and cloud infrastructure, delivery of internal developer platforms/CI/CD, familiarity with AI/agentic tooling and modern AI engineering stack.
C#, Go, Kubernetes, Nomad, Temporal, AWS
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