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979 intern engineer jobs at 460 companies in California

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Engineer Intern
Redding, California, United States
OnsiteInternship
J.F. Shea
J.F. Shea: Constructs large-scale infrastructure and residential communities across America.
Pursuing a bachelor’s degree in construction management or civil engineering; strong communication; proficient in Microsoft Office; detail-oriented and proactive.
Microsoft Office, Excel, Word, Outlook, PowerPoint, Construction Software
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1mo
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Engineer intern
Simi Valley, California, United States
OnsiteMultiple Commitments Available
M Wave Design
M Wave Design: Designs and manufactures passive RF and microwave components.
Currently enrolled in an engineering or science program (BSME/BSEE in process or equivalent), US person required, ability to work with technical drawings, basic CAD (SolidWorks/AutoCAD) exposure, strong communication and teamwork skills.
SolidWorks, AutoCAD
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2mo
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Manufacturing Engineer Intern
Cerritos, California, United States
$25/hr OnsiteInternship
Amphenol CIT
Amphenol CITNYSE: APH: Designs and manufactures high-performance wire, cable, and interconnect solutions.
0+ YOE0-1 years engineering/CI experience; Lean/manufacturing knowledge; EHS awareness; Bachelor's in Engineering; strong communication; MS Office and Minitab skills.
MS Office, Minitab
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1mo
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Electrical Engineer Intern
Mountain View, California, United States
$22/hr OnsiteInternship, Full Time
Fulfil Solutions
Fulfil Solutions: Develops autonomous robotic systems for grocery e-commerce fulfillment.
Pursuing BS or MS in Electrical Engineering; hands-on; lab tools experience; good communication; design-focused.
Altium Designer, Oscilloscopes, Logic Analyzers, Power Supplies, Soldering Equipment, PLC, Sensors
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2mo
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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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Project Engineer Intern
San Diego, California, United States
$22/hr OnsiteInternship
ISEC
ISEC: Installs architectural woodwork and specialty finishes for commercial buildings.
Enrolled in or recently graduated from Construction Management, Architecture, or Engineering; detail-oriented with strong MS Office skills; team-oriented and proactive.
Microsoft Excel, Microsoft Word, Microsoft Outlook
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1mo
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Project Engineer Intern
San Luis Obispo, California, United States
$22-$28/hr OnsiteMultiple Commitments Available
ITW
ITWNYSE: ITW: Global manufacturer of specialized industrial equipment and consumables.
Junior or senior pursuing a bachelor’s in Engineering, Information Systems, or related; strong organizational skills; attention to detail; proficiency in Microsoft Office (Excel, Word, PowerPoint).
Microsoft Office, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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1w
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Manufacturing Engineer Intern
Santa Ana, California, United States
$17-$24/hr OnsitePart Time
Masco
MascoNew York Stock Exchange: MAS: Manufactures and distributes home improvement and building products.
Mechanical/Industrial engineering student; Microsoft Office proficiency; CREO a plus; good communication; intermediate math; able to lift up to 20 lbs; legally authorized to work in the U.S.
Microsoft Outlook, Microsoft Word, Microsoft Excel, CREO
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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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1mo
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2027 Mechanical Engineer Intern
Atlanta or Boston or Costa Mesa or Irvine or Seattle or Huntsville
$30-$45/hr OnsiteInternship
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a bachelor's in mechanical engineering or related field, rising senior status, collegiate project/lab experience, CAD and hands-on fabrication skills, strong engineering fundamentals, U.S. Person required.
CAD, NX, Teamcenter, SolidWorks, FEA, CFD
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1mo
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Manufacturing Engineer Intern
South Gate, California, United States
OnsiteFull Time
Precision Castparts Corp.
Precision Castparts Corp.NYSE: BRK.B: Manufacturer of complex metal components for aerospace and industrial markets.
0+ YOEInternship requiring full-time 40h/wk or part-time 20h/wk; strong math, analytical, problem-solving, communication; MS Office; ability to read technical documents; team collaboration.
Microsoft Office
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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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1w
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2026-2027 Petroleum Engineer Intern
Houston or Bakersfield or Midland or Covington
$35/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Students pursuing a Bachelor’s, Master’s, or Ph.D. in Petroleum, Chemical, or related engineering; strong academics, teamwork, communication, and problem-solving; may require routine driving.
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1mo
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Intern, Mechanical Engineer (Fall term)
Scotts Valley, California, United States
OnsiteInternship
Heron Power
Heron Power: Developing solid-state transformers and power electronics to modernize electrical grids.
Pursuing a degree in mechanical engineering or related field; strong mechanical design experience; proficient in 3D CAD; basic electronics understanding; first principles design; good teamwork and communication.
CATIA
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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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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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2mo
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Electrical Engineer Intern (Fall 2026)
South San Francisco or Dallas
OnsiteFull Time
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
Undergraduate student, must have completed at least year 2; opportunities for Masters/PhD candidates. Prototyping and testing of electronics; collaboration in a team; interest in robotics or automation a plus.
C++, Java, AWS, GCP, Azure, Python, Spark, Hadoop
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4w
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Fall 2026 Engineer Intern/Co-op - Underground Construction & Tunneling
San Jose or United States
OnsiteFull Time, Internship
Traylor Bros., Inc.
Traylor Bros., Inc.: Heavy civil contractor specializing in complex infrastructure construction projects.
Must be enrolled in a related engineering program (completed sophomore year), leadership and problem-solving ability, AutoCAD preferred, able to perform site fieldwork and lift up to 25 lbs, full-time availability for Jan–May term.
AutoCAD
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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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