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130 engineering internships jobs at 48 companies in Simi Valley, CA

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Engineering Intern (Summer 2027)
Bakersfield or Brea or San Diego or Santa Fe Springs or California
$22-$27/hr FieldInternship
Griffith Company
Griffith Company: Provides heavy civil engineering and general contracting construction services.
Current Bachelor's student in civil engineering, construction management, mechanical engineering, mathematics, or a similar field; internship and educational experience determine pay.
Critical Path Method (CPM)
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Electrical Engineering Intern (Summer 2027)
Los Angeles or Hawthorne or El Segundo
$30/hr OnsiteInternship, Temporary
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
Currently enrolled in an ABET-accredited bachelor's program in electrical or computer engineering, with hands-on electrical experience from internships or engineering clubs and strong engineering fundamentals.
PCB, FPGA, firmware
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Manufacturing Engineering Internship - Spring 2027
El Segundo, California, United States
$33/hr OnsiteFull Time, Internship
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
Currently enrolled in an accredited undergraduate or graduate program; requires hands-on project or internship experience, manufacturing process familiarity, CAD modeling and assembly experience, and engineering or physics coursework.
CAD, NX, MATLAB, LabVIEW, SQL
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Spring 2027 Engineering Intern - Undergraduate
Seattle or Van Horn or Huntsville or Denver or Brevard County or Los Angeles or Longmont
$32/hr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Undergraduate student (sophomore+), U.S. work-authorized, available full-time during internship, strong communication skills and passion for space; related coursework or hands-on engineering experience preferred.
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Engineering Internship, Summer 2027
Boston or Auburn or Andover or Alexandria or Oxnard or Mehoopany or Albany or Mason or Greensburg or Green Bay or Cape Girardeau or Dover or Cincinnati or St. Louis or Sacramento or Phoenix or North Chicago or Lima or Iowa City or Greensboro or Kansas City or Ivorydale or St. Louis or Boston
$85k-$122k/yr OnsiteInternship, Full Time
Procter & Gamble
Procter & GambleNYSE: PG: Manufactures and sells diverse consumer packaged goods globally.
Currently enrolled in an engineering bachelor's program, graduating Winter 2027–Spring 2029. Requires analytical, problem-solving, communication, collaboration, adaptability, and basic control, sensor, motor, and PLC knowledge.
Industry 4.0, Artificial Intelligence (AI), Machine Learning (ML), PLC, Rockwell PLCs, Python, R, LabVIEW, 3D CAD/CAE
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Boeing Summer 2027 Internship Program (Paid) - Facilities Engineering
Everett or Heath or Seal Beach or Huntington Beach or Long Beach or Hazelwood or Arlington or Ridley Park or Renton or Mesa or North Charleston
$45k-$90k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Must be enrolled student available full-time for 10–12 week Summer 2027 internship in a core engineering/applied sciences discipline; US Person required; strong academics and teamwork skills preferred.
AutoCAD
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Construction Engineering Internship (Texas/Arizona/Florida/California) - Austin Commercial
Dallas-Fort Worth or Austin or Houston or Phoenix or Orlando or Tampa or Los Angeles
OnsiteMultiple Commitments Available
Austin Industrial
Austin Industrial: Construction and maintenance services for industrial facilities.
Seeking interns for paid construction engineering internships; duties include processing submittals, RFIs, field layout with survey instruments, documenting drawings and supporting quality/safety tasks.
level, theodolite, total station
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Fall 2026 - Engineering Internship/Co-Op
Venice, California, United States
$30-$50/hr OnsiteInternship
Omnis Corporation
Omnis Corporation: Developing LEO satellite constellations for global broadband internet.
0.25+ YOEEnrolled in a bachelor's in engineering/physics/math; 3+ months applied engineering experience; U.S. citizen/green card holder or authorized to work (F-1 with work authorization allowed); GPA and project experience preferred.
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Spring 2027 Engineering Internship/Co-op
Bastrop or Bloomfield or Cape Canaveral or Hawthorne or Irvine or Long Beach or McGregor or Palo Alto or Redmond or Brownsville or Vandenberg or Woodinville
$28-$30/hr OnsiteInternship
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
0.25+ YOEMust be enrolled in a bachelor’s program in engineering/physics/math, 3+ months applied engineering experience, eligible to work under US export rules, and able to work full-time onsite for at least 12 consecutive weeks.
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Summer 2027 Internship - Chemical Engineering
Los Angeles, California, United States
$30-$40/hr OnsiteInternship
General Matter
General Matter: Produces enriched uranium and nuclear fuel for power generation.
Current undergraduate or graduate student in chemical engineering, chemistry, or a related field with mass spectrometry familiarity, wet chemistry proficiency, and engineering fundamentals.
Mass Spectrometry, Inductively Coupled Plasma Mass Spectrometry (ICP-MS), Thermal Ionization Mass Spectrometry (TIMS), Secondary Ion Mass Spectrometry (SIMS)
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Nuclear Engineering Internship/Co-op
El Segundo, California, United States
$28-$30/hr OnsiteInternship, Full Time
Forge Atomics
Forge Atomics: A nuclear technology developing scalable nuclear fission systems for reliable energy and reduced environmental impact.
0.25+ YOEEnrolled in an engineering, physics, or math bachelor's program; 3+ months applied engineering experience; Python and reactor physics or radiation transport experience preferred; export control compliance required.
OpenMC, MCNP, Serpent, Python
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Mechanical Engineering Internship - Fall 2026
Torrance, California, United States
OnsiteInternship
Vital Lyfe
Vital Lyfe: Develops portable devices that produce clean drinking water anywhere.
Currently pursuing a Mechanical Engineering degree; hands-on prototyping and testing experience; able to stand long periods and lift up to 50 lbs; able to work 100% onsite in Torrance, CA.
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2mo
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Robotics Engineering Co-Op Internship
Los Angeles, California, United States
$25/hr OnsiteMultiple Commitments Available
Sorting Robotics
Sorting Robotics: Manufacturer of automated robotic systems for cannabis production.
Pursuing a degree in engineering/CS/robotics, basic robotic systems knowledge and programming (Python, C++), strong analytical and communication skills, teamwork, willingness to learn, proof of COVID-19 vaccination, authorized to work in the U.S.
Python, C++
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Boeing Summer 2027 Internship Program (Paid) - Facilities Engineering
Everett or Heath or Seal Beach or Huntington Beach or Long Beach or Hazelwood or Arlington or Ridley Park or Renton or Mesa or North Charleston
$45k-$90k/yr OnsiteFull Time, Internship
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Enrolled student in engineering/applied sciences with expected graduation on/after Aug 2027; available full-time 10–12 weeks Summer 2027; US Person required; strong academic performance and teamwork; AutoCAD and facilities knowledge preferred.
AutoCAD
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2d
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Glendale System Software Engineering Internship, Spring 2027
Glendale, California, United States
$31-$36/hr OnsiteFull Time, Internship
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
Current junior, senior, or graduate student in a relevant engineering or computer science degree with GPA 3.0+, C++ or C# object-oriented programming, troubleshooting, GitLab familiarity, and controls hardware experience.
C++, C#, GitLab, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Glendale System Software Engineering Internship, Spring 2027
Glendale, California, United States
$31-$36/hr OnsiteMultiple Commitments Available
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
Current junior, senior, or graduate student pursuing a relevant engineering or computer science degree with GPA 3.0+, object-oriented programming in C++ or C#, GitLab familiarity, controls hardware experience, and unrestricted work authorization.
C++, C#, GitLab, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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2026 Fall Internship - Supplier Quality Engineering Intern
Long Beach, California, United States
$35-$40/hr OnsiteFull Time, Internship
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
Enrolled in a Bachelor's or Master's engineering program; able to work full-time onsite in Long Beach for a 12-week internship; willing to work overtime/weekends; able to lift up to 25 lbs; support supplier screening, testing, and audits.
ERP
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Manufacturing Engineering Internship
El Segundo, California, United States
$20-$30/hr OnsiteMultiple Commitments Available
Space Kinetic
Space Kinetic: Developing propellant-free systems for deploying payloads in space.
Currently enrolled or recent graduate in Mechanical, Aerospace, or Electrical Engineering; analytical and electrical skills; SolidWorks experience preferred; must be U.S. citizen/permanent resident/refugee/asylee or eligible for required export authorizations; able to obtain government security clearance.
SolidWorks
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Software Engineering Intern, PhD, Summer 2026
Mountain View or Atlanta or Austin or Boulder or Cambridge or Bellevue or Chicago or Irvine or Kirkland or Los Angeles or Madison or New York City or Palo Alto or Portland or Pittsburgh or Raleigh or Durham or Reston or Redmond or Redwood City or San Diego or Goleta or San Bruno or Seattle or San Francisco or San Jose or Santa Cruz or South San Francisco or Sunnyvale or Washington or Playa Vista
$118k-$157k/yr OnsiteInternship, Full Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
Pursuing a PhD in computer science or a related technical field; coding experience in C, C++, Java, or Python; English proficiency; US location required during the internship.
C, C++, Java, Python
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Hardware Internship
Long Beach, California, United States
$30-$35/hr OnsiteInternship
Advanced Spade Company
Advanced Spade Company: Develops hardware, software, and operational tools for underground construction.
Internship for embedded, electrical, and mechanical engineering projects involving design, building, deployment, and field or onsite work; includes mentorship and cross-team opportunities.
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