274 intern engineering jobs at 172 companies in Fairfield, CA
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Engineering Intern
South San Francisco, California, United States
OnsiteTemporary, Internship
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
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.
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.
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.
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.
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.
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/moOnsiteFull Time
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.
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.
Bedrock Data: AI-native data security and governance platform for enterprise environments.
Seeking interns in computer engineering or AI with interest in distributed systems; must be legally able to work in the United States (on-site in Bay Area).
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.
Electrical Engineering Intern – Flywheel Energy Storage Systems
Sacramento, California, United States
OnsiteInternship, Temporary
Qnetic: Manufacturer of grid-scale mechanical flywheel energy storage systems.
Currently enrolled in a Bachelor's in Electrical Engineering or related field; interest in power/energy systems; organized and reliable; comfortable with Microsoft Office; willingness to learn engineering tasks and documentation.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, MATLAB, Python
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.
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
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.
Software Engineering Intern – Distributed Simulation Systems
Emeryville, California, United States
$25-$60/hrHybridFull Time, Internship
Astera Institute: Conducts fundamental research in artificial intelligence and longevity science.
Strong programming fundamentals; experience with C++, Python, or similar systems languages; familiarity with Linux; understanding of data structures, algorithms, and concurrency; interest in distributed systems and systems engineering.
C++, Python, Linux, MuJoCo, Unity, Unreal, PyTorch, CUDA
Jensen Hughes: Provides fire protection and life safety engineering and consulting.
Pursuing a Bachelor's or Master's in engineering (2+ years completed), strong problem-solving and communication skills, and ability to support engineers on technical assignments.
CTGT: Deterministic governance platform for enterprise AI systems.
Pursuing a Bachelor's in CS or related; strong programming fundamentals in Python or JavaScript; familiarity with Git and basic cloud workflows (AWS or GCP); ability to work independently and communicate technical ideas clearly.
Circleback: AI-powered platform for capturing and managing workplace meeting intelligence.
Experience building end-to-end features (database to UI) for web, desktop, or mobile; prior project or role experience; strong attention to detail, ownership, and curiosity about product.