55 mechanical engineer intern jobs at 37 companies in Norwalk, CA

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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
1mo
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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
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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
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INTERN (MECHANICAL ENGINEERING) (1643)
Inglewood, California, United States
$20-$25/hr OnsiteInternship
The Marvin Group
The Marvin Group: Designs and manufactures military aerospace and defense hardware.
Current sophomore, junior, senior, or postgraduate student in mechanical engineering or related field with CAD modeling, drafting, mechanical design, manufacturing fundamentals, problem-solving, and Microsoft Office proficiency.
CATIA V5, SolidWorks, SmarTeam PDM, Adobe, Microsoft Office, Microsoft PowerPoint, Microsoft Excel, Microsoft Word, Microsoft Project, CAD, Computer Aided Design (CAD), E-Verify
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Mechanical Engineering Intern (Summer 2027)
Los Angeles or El Segundo or Hawthorne
$30-$35/hr OnsiteInternship
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
Currently enrolled in an ABET-accredited bachelor's program in mechanical or aerospace engineering, with hands-on design experience and strong mechanical engineering fundamentals.
1w
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Mechanical Engineering Intern (Fall 2026)
Tustin, California, United States
$20/hr OnsitePart Time, Internship
Salas O'Brien
Salas O'Brien: Provides integrated engineering design and technical consulting services.
Currently enrolled in an engineering bachelor's or master's program; CAD experience, strong communication, teamwork, adaptability, and willingness to work onsite or at project locations. Prior internship is optional.
CAD, AutoCAD, Revit
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Mechanical Engineering Intern/Co-Op [Propulsion]
Long Beach, California, United States
OnsiteInternship
Odys Aviation
Odys Aviation: Develops hybrid-electric vertical takeoff and landing aircraft.
Currently pursuing a mechanical or aerospace engineering degree; CAD experience with NX or SolidWorks; familiarity with manufacturing and preferably hands-on fabrication experience.
NX, SolidWorks, CAD, 3D printing
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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.
1mo
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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
2w
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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
3w
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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
3w
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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
1w
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Mechanical Engineering Internship/Co-op
El Segundo or Los Angeles County
OnsiteInternship, Full Time
Forge Atomics
Forge Atomics: Develops nuclear fission technology to provide reliable energy while reducing environmental impact.
0.25+ YOEEnrolled in an engineering, physics, or math bachelor's program; 3+ months applied engineering experience; export-control compliance; testing and collaborative engineering skills.
pressure transducers, thermocouples, resistance temperature detectors, relays, solenoid valves
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.
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Intern, Manufacturing Engineer (Anaheim, CA) (42429)
Anaheim, California, United States
$26-$48/hr OnsiteFull Time, Internship
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
Pursuing a bachelor's degree in mechanical, electrical, chemical, industrial engineering, or a related field. Preferred skills include CAD, soldering, Lean Six Sigma, statistical software, Python, and manufacturing process experience.
AutoCAD, SolidWorks, Creo, Minitab, JMP, Python, Lean Six Sigma
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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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Intern - Design Engineer
Garden Grove, California, United States
$26/hr OnsiteInternship
Southland Industries
Southland Industries: National expert in mechanical, electrical, and plumbing building systems.
Pursuing a bachelor's degree in mechanical engineering or a related field; thermodynamics and HVAC design coursework desirable. Requires communication, problem-solving, writing, and collaboration skills.
CADD
3w
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Quality Engineer Intern
Santa Ana, California, United States
OnsitePart Time
Masco
MascoNew York Stock Exchange: MAS: Manufactures and distributes home improvement and building products.
Mechanical or Industrial Engineering student; no prior experience necessary; experience with MS Office; ability to develop and update production work instructions and participate in lean activities.
Microsoft Office
2w
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Intern - Design Engineer
Garden Grove, California, United States
$26/hr OnsiteInternship
Southland Industries
Southland Industries: Provides integrated mechanical, electrical, and plumbing building systems solutions.
Pursuing a bachelor's degree in mechanical engineering or related field; thermodynamics and HVAC design coursework desirable. Requires communication, problem-solving, writing, collaboration, and basic business skills.
CADD, HVAC
3d
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Engineering Intern
Ontario, California, United States
$22-$28/hr OnsiteMultiple Commitments Available
ZEISS
ZEISS: Produces high-precision optical systems and optoelectronic technologies.
0+ YOECurrently pursuing a bachelor's or master's degree in engineering, with mechanical experience preferred. Local candidates only; availability of 15–25 hours weekly for a 3–6 month assignment.