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334 engineer intern jobs at 199 companies in Vallejo, CA

1mo
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Intern - Industrial Engineer
San Leandro or San Jose
$25-$32/hr OnsiteFull Time, Internship
Lyten
Lyten: Manufactures graphene-enhanced batteries, materials, and industrial sensors.
0+ YOEPursuing Bachelor’s or Master’s in Industrial Engineering; organized, fast learner; proficient in MS Word and Excel; strong communication; able to lift 20-30 lbs and stand up to 5 hours.
Microsoft Word, Microsoft Excel
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1w
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Civil Engineer Intern
Concord, California, United States
$25-$34/hr OnsiteTemporary
APTIM
APTIM: Provides environmental, resilience, and infrastructure engineering solutions.
Currently enrolled in civil engineering or related degree with ≥60 credits and 3.0 GPA, able to complete 40-hour OSHA HAZWOPER, 18+ with clean driving record and US citizenship for base access; strong analytical and communication skills.
AutoCAD Civil 3D
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2mo
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Manufacturing Engineer Intern
Livermore, California, United States
$25/hr OnsiteFull Time, Internship
Ferrotec
FerrotecTokyo Stock Exchange: 6890: Manufacturer of semiconductor equipment and thermal management solutions.
Pursuing bachelor’s degree or higher; organized, detail-oriented, self-directed team player; strong math/analytical skills; proficient MS Office; able to lift up to 20 lbs.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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2mo
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Avionics Engineer Intern (Fall 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Astranis
Astranis: Builds and operates small geostationary communications satellites.
Pursuing B.S./M.S./Ph.D. in electrical or computer engineering; hands-on hardware/software experience; Python/C++; US citizenship or Green Card; willing to apply even if not all criteria met.
Python, C++, Altium Designer, LTSpice, PSPICE, ADS, Soldering, Oscilloscope, Multimeter
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1mo
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Controls Engineer Intern (Fall 2026)
South San Francisco or Dallas
OnsiteFull Time, Internship
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
Strong applied math and controls experience, experience with controls solutions, exposure to inertial navigation or optimal control, software skills in embedded and technical computing, and simulation/flight-data analysis interest.
C, C++, Rust, MATLAB, Python, Julia, GitHub
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1mo
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Intern
Concord, California, United States
$20-$30/hr OnsiteInternship
Jensen Hughes
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.
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2w
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Intern - Project Engineer
Union City, California, United States
$26/hr OnsiteInternship, Contract
Southland Industries
Southland Industries: National expert in mechanical, electrical, and plumbing building systems.
Pursuing a relevant engineering or construction degree; strong communication, problem-solving, and teamwork; interest in HVAC/plumbing/fire protection design, estimating, and scheduling.
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2mo
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Intern - Electrical Engineer
San Francisco or Toronto
OnsiteAll Commitments Available
Human Computer Lab
Human Computer Lab: A robotics research lab focused on human-robot interaction.
Pursuing Electrical Engineering with hands-on hardware, soldering, PCB work, and experience with Altium; knowledge of power electronics, motor control, sensing, and embedded hardware.
Altium, PCB Design, Oscilloscope, Bench Equipment
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3mo
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Electrical Engineer Intern (Spring-Summer 2026)
San Francisco, California, United States
$20-$55/hr OnsiteInternship
Deft Robotics
Deft Robotics: Developing AI-powered wheeled humanoid robots for manufacturing automation.
Internship for students; 12+ weeks; full-time on-site summer; start March 2026; on-site in San Francisco; compensation $20-$55/hr plus benefits.
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1mo
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Security Engineer Intern
San Mateo, California, United States
$30-$50/hr HybridInternship
Notable
Notable: Automates administrative and clinical workflows for healthcare providers using AI.
Coursework or projects in security engineering/cloud/DevSecOps; ability to read code and automate with at least one language (Python, Go); familiarity with cloud security, IAM, CI/CD security, containers/Kubernetes; strong communication.
Python, Go, Terraform, OPA, Conftest, GitHub Actions, GitLab, SIEM, CI/CD, OWASP Top 10
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2mo
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Field Engineer Intern
San Francisco, California, United States
$26-$30/hr OnsiteInternship
Shimmick
ShimmickNASDAQ: SHIM: Builds large-scale water and transportation infrastructure projects.
Must be currently enrolled in a Bachelor's program (≥1 year completed). Internship performing engineering tasks, preparing calculations/drawings, assisting field inspections; must pass pre-employment substance test; no US work visa sponsorship.
CADD, HCS, AutoCAD, MicroStation, GIS, Hydrologic/Hydraulic models, Microsoft Office Suite
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3d
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Robot Learning Engineer Intern
South San Francisco, California, United States
OnsiteInternship
Gritt Robotics
Gritt Robotics: Developing autonomous robots to automate outdoor construction tasks.
Pursuing MS/PhD (exceptional undergraduates considered), strong PyTorch and deep learning skills, experience in IL/RL, publications or substantial projects, ability to own end-to-end projects, and legal authorization to intern in the U.S.
PyTorch, Isaac, MuJoCo
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2mo
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Software Engineer Intern
San Francisco, California, United States
OnsiteFull Time
Phonely
Phonely: AI-powered voice platform for automated customer phone interactions.
Pursuing or recently completed degree in Computer Science or related field; experience with JavaScript/TypeScript and modern frontend frameworks; familiarity with Next.js; strong problem-solving and debugging skills; ability to work with customers and teammates; eager to learn quickly.
JavaScript, TypeScript, React, Next.js, Python, AWS, GCP, Kubernetes, Redis, Datadog
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2mo
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Software Engineer Intern
San Francisco, California, United States
OnsiteInternship
Kos
Kos: AI-powered automated financial operations for industrial infrastructure.
CS/ML student; hands-on project or internship; proficient in Python, TypeScript, or Go; experience with LLMs/agents; production-ready coder; able to work in SF onsite.
Python, TypeScript, Go, LLMs, agents, ERP integration
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3d
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Application Engineer Intern
San Jose, California, United States
$20-$30/hr OnsitePart Time
Advantest
AdvantestTokyo Stock Exchange: 6857: Manufacturer of automated test systems for the semiconductor industry.
Progress toward or completion of BS/MS in EE/CE/CS, coursework in device physics, circuits and OOP, prior SJSU EE182, strong analytical and problem-solving skills.
Java, Python, Git, SmarTest 8, V93000, ATE
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2mo
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Project Engineer Intern - Summer 2027
Sacramento or Oakland or Commerce or San Diego or Goodyear or Manassas
$21-$28/hr OnsiteFull Time
Helix Electric
Helix Electric: Provides electrical contracting and design-build services for complex projects.
Enrolled in a bachelor’s degree program; construction or engineering focus; internship or related experience preferred; strong communication, math, and organizational skills.
BIM, Accubid, Excel, AutoCAD, Microsoft Office
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3mo
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Software Engineer Intern (Fall 2026)
San Francisco, California, United States
HybridInternship
Notion
Notion: Provides a unified workspace for notes, documents, and project management.
0+ YOEPursuing a bachelor's or master's in CS/engineering; must graduate before Summer 2027; prior internship experience; proficient in TypeScript, Node.js, or Python.
Typescript, Node.js, Python, React
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1w
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Reliability Engineer Intern (Fall 2026)
Burlingame, California, United States
$30/hr OnsiteInternship
Peak Energy
Peak Energy: Developing sodium-ion battery systems for utility-scale energy storage.
Pursuing an engineering or physics degree; strong python, data analysis, and Git skills; hardware test experience and high-voltage battery knowledge preferred.
python, Git
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6d
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R&D Materials Engineer Intern
South San Francisco, California, United States
$35/hr OnsiteInternship
Neuralink
Neuralink: Developing implantable brain-computer interfaces to restore human capabilities.
2+ YOE2+ years academic or industry experience in materials/chemical/biomedical engineering or chemistry, strong lab safety and chemical handling, experimental design, materials characterization, and communication skills.
SolidWorks, FTIR, XPS, AFM
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1d
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Intern - Engineering
Richmond, California, United States
$21-$35/hr OnsiteInternship
Parker Hannifin
Parker HannifinNYSE: PH: Manufacturer of motion and control technologies and systems.
Enrolled in a Bachelor's or advanced Mechanical Engineering program; experience with Autodesk Inventor or Solidworks; strong communication, time management, and teamwork skills.
Autodesk Inventor, Solidworks
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