39 mechanical engineering intern jobs at 29 companies in El Segundo, CA

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Mechanical Engineering Intern
Akron or Ashtabula or Conroe or Freeport or Houston or The Woodlands or McIntosh or Geismar or Los Angeles
OnsiteInternship, Full Time
Huntsman
HuntsmanNYSE: HUN: Manufactures and markets chemical products for consumer and industrial markets.
Pursuing a bachelor's in Mechanical Engineering, 3.0+ GPA preferred, strong mechanical aptitude and communication, proficiency with Microsoft Office, authorized to work in the U.S. without sponsorship.
Microsoft Office
3w
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2026-2027 Facilities Engineering Mechanical Engineering Intern
Houston or Bakersfield or Belle Chasse or North Salt Lake or Midland or Geismar or El Segundo or Pasadena or Pascagoula or Covington or Richmond or Ames or Greeley or Salt Lake City
$28-$52/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
0+ YOEPursuing BS/MS in mechanical engineering, strong academics, communication, teamwork and problem-solving; ability to demonstrate Chevron Way.
1d
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Mechanical Engineering Intern - Fall
El Segundo, California, United States
$3k-$5k/mo OnsiteSeasonal
Rainmaker
Rainmaker: Provides cloud seeding services using drones and radar.
Experience with SolidWorks CAD and FEA, 3D printing and basic prototyping; sheet metal design preferred; ability to collaborate across electrical, software, and manufacturing teams.
SolidWorks, 3D printers, FEA
2w
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Mechanical Engineering Intern (Summer 2027)
El Segundo, California, United States
$70k/yr HybridInternship
Second Order Effects
Second Order Effects: Engineering firm designing and building custom electronics and systems.
Enrolled college student in engineering/related field with CAD, FEA, and prototyping experience; strong problem-solving and communication skills.
CAD, FEA, CFD
1w
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Mechanical Engineering Intern / Co-op
Torrance or Mojave
$25-$40/hr OnsiteMultiple Commitments Available
GITAI
GITAI: Developing autonomous robotic systems for labor in space.
1+ YOECurrently enrolled in a relevant bachelor’s or master’s program;1+ year hands-on student engineering project experience;experience taking hardware through design, fabrication, assembly, and test;3D CAD proficiency;U.S. work authorization and U.S. citizenship or equivalent for export-controlled work.
SolidWorks, GD&T
2mo
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Mechanical Engineering Intern
Torrance, California, United States
$20-$25/hr OnsiteInternship
Hexagon
HexagonNasdaq Stockholm: HEXA B: Provides sensor, software, and autonomous technologies for industrial applications.
Progress toward BS in mechanical engineering preferred; CAD/CREO experience, GD&T and tolerance analysis, material strength calculations; US person for ITAR positions may be required.
CREO (Pro/Engineer), Syteline, Windchill, CNC
4w
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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.
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
1w
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Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Enrolled in BS/MS engineering (biomedical, mechanical, electrical, industrial, materials, computer or related) with expected graduation 2027–2029; U.S. work authorization required; minimum 3.0 GPA preferred; prior engineering coursework/projects preferred.
CAD
1d
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2027 Operations Manufacturing Engineering Intern
Palmdale, California, United States
$22-$48/hr OnsiteInternship, Full Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
Full-time undergraduate or graduate student graduating after August 2027 in manufacturing, mechanical, aerospace, or related STEM engineering; available 40 hours weekly for at least 10 summer weeks; U.S. citizenship required.
engineering drawings
1d
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Avionics Manufacturing Engineering Intern (Fall 2026)
Redondo Beach, California, United States
$30/hr OnsiteInternship, Full Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
Engineering or science degree completed or in progress; fundamentals in electrical, mechanical, or optical engineering; hands-on electronic or optical device building; CAD familiarity preferred.
CAD
2mo
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Software Engineering Intern, Vehicle Controls - Fall 2026
Irvine or Palo Alto
$38-$51/hr HybridInternship, Full Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture delivering automotive software and connectivity solutions for electric vehicles.
Enrolled in Bachelor's or Master's program in Electrical/Mechanical Engineering or Computer Science; proficient in C/C++ and Python; RTOS experience preferred; familiar with CAN/LIN/UDS/DoIP; experience with microcontrollers and PID controls.
C/C++, Python, RTOS, CAN, LIN, UDS, DoIP, Microcontrollers, PID
1mo
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Additive Engineering Internship (Fall 2026)
Los Angeles or Hawthorne or El Segundo
$30-$35/hr OnsiteInternship
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
Currently enrolled in a bachelor’s in mechanical or aerospace engineering (ABET); hands-on design experience from internships or clubs; strong mechanical fundamentals. MATLAB scripting, metal additive/CNC experience, and advanced degrees preferred.
MATLAB, Design for Additive Manufacturing (DFAM), Design for Manufacturing (DFM), Geometric Dimensioning and Tolerancing (GD&T), CNC
1d
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2027 Operations Manufacturing Engineering Intern
Palmdale, California, United States
OnsiteInternship, Full Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
Full-time undergraduate or graduate student in manufacturing, mechanical, aerospace engineering, or related STEM field, graduating after August 2027; available 40 hours weekly for at least 10 summer weeks; U.S. citizenship required.
Engineering drawings
14h
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Structures 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.
Pursuing a bachelor's or master's degree in mechanical, aerospace, engineering physics, or similar engineering; technical project experience required. CAD, FEA, machining, Python, and GD&T experience preferred.
Siemens NX, Femap, NASTRAN, Python, CAD, finite element analysis, mill, lathe, GD&T
1mo
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ME Intern
Irvine, California, United States
$18-$28/hr OnsiteInternship, Part Time
One-Cycle Control
One-Cycle Control: Manufacturer of high-performance power electronics and conversion technology.
US citizen or Green Card required; ability to read work orders, follow instructions, good communication, attention to detail; minimum 16 hours/week; background check and drug test possible.
2mo
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SETA Engineering Development Program (3 Months - Path to Hire)
El Segundo, California, United States
$20-$30/yr OnsiteAll Commitments Available
Space Kinetic
Space Kinetic: Developing propellant-free systems for deploying payloads in space.
Enrolled in Mechanical, Aerospace, or Physics; recent graduate or nearing graduation; perform mechanical/aerospace research and astrodynamics tasks; produce technical docs; fast-paced startup environment.
MATLAB, Python, STK, GMAT
4d
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Intern, Industrial Engineering
Ontario, California, United States
OnsiteInternship, Part Time
IRP Medical
IRP Medical: Manufacturer of precision silicone and elastomer components for medical devices.
0+ YOEPursuing bachelor's/master's in industrial or mechanical engineering, 0-2 years experience, knowledge of AutoCAD, Solidworks, PLM, Microsoft Office, ability to perform time studies and support lean improvements.
AutoCAD, Solidworks, PLM, Microsoft Office
1mo
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2026 Fall Internship - Mechanical / Aerospace
Long Beach, California, United States
$35-$40/hr OnsiteInternship
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
Enrolled in a Bachelor's or Master's in mechanical, aerospace, or related engineering; able to work full-time onsite in Long Beach, CA.
CAD, SolidWorks, CATIA
1w
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Quality Engineer Intern
Santa Ana, California, United States
OnsitePart Time
Brasstech
BrasstechNYSE: MAS: Manufacturer of premium kitchen and bathroom fixtures and accessories.
Mechanical or Industrial Engineering student; no experience necessary; experience with Microsoft Office; ability to develop and update production work instructions and participate in lean activities.
Microsoft Office