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242 engineer intern jobs at 154 companies in Vacaville, CA

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PROJECT ENGINEER INTERN
Sacramento, California, United States
OnsiteInternship, Full Time
Deacon Construction
Deacon Construction: Provider of commercial construction and general contracting services.
Pursuing Bachelor's in Architectural, Engineering, or Construction Management; basic MS Office; familiarity with Prolog and MS Project; strong communication and teamwork.
MS Word, MS Excel, MS Outlook, Prolog, MS Project
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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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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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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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Fall 2026 Electrical Engineer Intern- AISP
Sacramento or United States
$29/hr HybridInternship
Ulteig
Ulteig: Provides engineering and technical services for critical infrastructure sectors.
At least two years toward a bachelor’s in electrical engineering, coursework/interest in power systems, proficiency with Microsoft Word and Excel, strong communication, and U.S. work authorization.
Microsoft Word, Microsoft Excel
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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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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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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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Web Developer Intern
Rancho Cordova, California, United States
$23-$27/hr OnsiteMultiple Commitments Available
GEI Consultants
GEI Consultants: Provides multi-disciplinary engineering and environmental consulting services.
HTML, JavaScript, CSS, AJAX; Java/JSP/ASP.NET/XML/JSON; databases Oracle/Access/SQL Server; timely, high-quality deliverables; self-motivated; computer science/engineering major; able to work at Sacramento office.
HTML, JavaScript, CSS, AJAX, Java, JSP, ASP.NET, XML, JSON, Oracle, SQL Server, Access
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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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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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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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2mo
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Web Developer Intern
Rancho Cordova, California, United States
$23-$27/hr OnsiteInternship
GEI Consultants
GEI Consultants: Professional engineering and environmental consulting services.
0+ YOEProficient in HTML, JavaScript, CSS, and AJAX; knowledge of Java, JSP, ASP.NET, XML, JSON; experience with databases (Oracle, Access, SQL Server); reliable, self-motivated, detail-oriented; able to work on site in Sacramento area.
HTML, JavaScript, CSS, AJAX, Java, JSP, ASP.NET, XML, JSON, Oracle, Access, SQL Server
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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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4w
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Transportation Intern
Walnut Creek, California, United States
$20-$25/hr HybridTemporary, Part Time
Consor Engineers
Consor Engineers: Designs and inspects transportation and water infrastructure systems.
Student enrolled in ABET-accredited BS in civil engineering; completed core civil coursework; proficiency in Microsoft Office; able to perform design calculations, site visits, documentation, and lift up to 35 lbs.
Microsoft Office Suite
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2mo
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Software Engineer Intern - Backend Focused - Winter 2027
New York or San Francisco or Seattle
OnsiteInternship, Temporary
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
Current undergraduate/graduate student in CS or related field, previous software engineering internship experience with Python, backend programming skills, strong communication and critical thinking.
Python, Slack, Microsoft 365
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Intern/Co-op - Refining Chemical Engineering Fall 2026
Findlay or El Paso or Anacortes or Wilmington or Martinez or Owensboro or Canton or Canonsburg or Mandan or Salt Lake City or Dickinson or Robinson or Detroit or St Paul Park or Catlettsburg or Garyville or Texas City or Kenai or San Antonio
$33-$42/hr OnsitePart Time, Internship
Marathon Petroleum
Marathon PetroleumNYSE: MPC: Refines and markets petroleum products and renewable fuels.
Must be majoring in Chemical Engineering, strong academic performance, concurrently enrolled in a degree program, valid driver's license, authorized to work in the US indefinitely, availability for multiple co-op/term assignments preferred.
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