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31 manufacturing engineering intern jobs at 26 companies in Fullerton, CA

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Manufacturing Engineering Intern
Los Angeles, California, United States
$20-$25/yr OnsiteFull Time
DCX-CHOL Enterprises
DCX-CHOL Enterprises: Designs and manufactures electrical interconnect systems for harsh environments.
Currently pursuing an engineering-related degree; able to lift 50 lbs; English proficiency; willing to work flexible hours in a manufacturing environment.
AutoCAD, Visio, Fusion, ERP, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Adobe Acrobat
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2mo
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Manufacturing Engineering Intern Fall 2026
Long Beach, California, United States
$28/hr OnsiteMultiple Commitments Available
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
0+ YOEBachelor’s engineering/physics/math student with at least one semester remaining; GPA 3.0+, 3+ months applied engineering experience; on-site 12+ week internship in Long Beach, CA.
CAD, Mills, Lathes
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2mo
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Manufacturing Engineering Intern Fall 2026
Long Beach, California, United States
$28/hr OnsiteInternship
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
0.25+ YOEEnrolled in bachelor's in engineering/physics/math with ≥1 semester remaining, GPA≥3.0, 3+ months applied engineering experience, available full-time onsite for ≥12 consecutive weeks starting Aug/Sep 2026.
Computer Aided Design (CAD), Solid Modelling
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5d
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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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Manufacturing Engineer Intern
South Gate, California, United States
OnsiteMultiple Commitments Available
Precision Castparts Corp.
Precision Castparts Corp.NYSE: BRK.B: Manufacturer of complex metal components for aerospace and industrial markets.
Pursuing a BS in engineering or business management; requires analytical, technical, communication, organizational, and problem-solving skills, plus Microsoft Office proficiency and ability to interpret blueprints and specifications.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft Outlook
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1mo
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Manufacturing Engineer Intern
Santa Fe Springs, California, United States
$20/hr OnsitePart Time
RD Rubber Technology Corporation
RD Rubber Technology Corporation: Manufacturer of custom precision molded rubber components.
Internship requiring familiarity with engineering calculations, CAD modeling, prototyping, manufacturing processes, and the ability to prepare reports and support continuous improvement projects; hands-on manufacturing experience preferred.
CAD
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Intern, Manufacturing Chemistry
Aliso Viejo, California, United States
$21-$34/hr OnsiteInternship
MicroVention
MicroVention: Manufacturer of neurovascular medical devices for stroke treatment.
Working toward a Bachelor’s or Master’s in Mechanical/Biomedical Engineering or related; interest/experience in process development; coursework in statistics and tooling design; SolidWorks a plus; computer skills in Word, Excel, PowerPoint; mechanical aptitude.
SolidWorks, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Quality Engineering Intern
San Clemente, California, United States
$21-$25/hr OnsiteFull Time
IRP Medical
IRP Medical: Manufacturer of precision silicone and elastomer components for medical devices.
0+ YOEEnrolled in or recently graduated from an engineering program; 0–2 years experience; attention to detail, communication, teamwork; familiarity with manufacturing, quality, and basic metrology concepts; Microsoft Office proficiency.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, CAD
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1mo
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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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2mo
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2027 Manufacturing Engineer Intern
Ashville or Atlanta or Boston or Costa Mesa or Irvine or Seattle
$30-$40/hr OnsiteInternship
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor's in aerospace/mechanical or related field; rising senior returning to school after internship; U.S. Person required to access Controlled Unclassified Information.
Lattice OS
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Intern Manufacturing Eng
North Hollywood, California, United States
$21-$35/hr OnsiteInternship
Parker Hannifin
Parker HannifinNYSE: PH: Manufacturer of motion and control technologies and systems.
Currently enrolled in accredited university engineering coursework in Mechanical or Aerospace Engineering; basic Microsoft Office proficiency, communication skills, teamwork, and fundamental engineering knowledge required.
Microsoft Office, Microsoft Excel, Microsoft PowerPoint, CAD, Learning Management System
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Fall 2026 Production Engineering Intern
Hawthorne, California, United States
$30/hr OnsiteInternship
Venturi Astrolab
Venturi Astrolab: Designs and builds robotic rovers for Moon and Mars exploration.
Currently pursuing or recently completed a STEM bachelor's or master's; hands-on engineering or manufacturing experience; familiarity with electronic test equipment, eCAD/mCAD, Python or LabVIEW; problem-solving and teamwork skills.
Altium, OrCAD, KiCad, NX, SolidWorks, Python, LabVIEW, oscilloscope, multimeter, power supply
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6d
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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
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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 Intern Conversion - Manufacturing Engineer I
North America or Seattle or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston or California or Colorado or Washington or Virginia
$69k-$105k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Blue Origin 2026 internship completion, college enrollment or recent graduation, BS in mechanical, aerospace, or astronautical engineering, U.S. work authorization, and full-time availability by September 2027.
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1mo
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Manufacturing Documentation Specialist
Corona, California, United States
$59k-$94k/yr OnsiteFull Time
Agiliti
Agiliti: Manages and maintains medical equipment for healthcare providers.
3+ YOE3+ years quality or related experience; bachelor's degree in life sciences, engineering, or technical communications preferred. Experience with ISO 13485, internal/external audits, technical writing, MS Office, PLM/ERP; ability to lift and perform physical tasks.
Microsoft Office Suite, PLM, ERP
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3mo
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CNC Programmer Intern
Yorba Linda, California, United States
OnsiteInternship, Full Time
Envista
EnvistaNYSE: NVST: Manufactures and sells a comprehensive range of dental products.
Pursuing a degree or certificate in Manufacturing Engineering, Mechanical Engineering, Industrial Technology, Mechatronics, or CNC Machining; basic CNC, GD&T, drawings, and CAM software knowledge.
G-code, CAM software
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4w
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Composites Engineering Intern (Fall 2026)
Hawthorne, California, United States
$27-$31/hr OnsiteInternship
Reflect Orbital
Reflect Orbital: Reflects sunlight from orbital mirrors to Earth solar farms.
Hands-on composites design, manufacturing, analysis, and testing for spacecraft; able to work independently and commit to a minimum 12-week in-person internship in Hawthorne, CA.
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1mo
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Manufacturing Documentation Specialist
Corona, California, United States
$59k-$94k/yr OnsiteFull Time
Agiliti
Agiliti: Manages and maintains medical equipment fleets for healthcare facilities.
3+ YOE3+ years quality or related experience; bachelor’s degree preferred in life sciences, engineering, or technical communications; ISO 13485 and internal/external audit familiarity; MS Office and ERP/PLM experience; technical writing skills.
Microsoft Office Suite, Product Lifecycle Management (PLM), Enterprise Resource Planning (ERP), Bills of Materials (BOM)
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3mo
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Business Development Lead, Manufacturing & Composites
San Clemente, California, United States
$110k-$135k/yr OnsiteFull Time
Swift Engineering
Swift Engineering: Aerospace engineering, advanced manufacturing, and unmanned systems solutions.
2+ YOEBachelor’s degree; 2+ years in business development in engineering/manufacturing/UAS; willing to domestic and international travel; strong aerospace knowledge; strong writing/presentation; collaborative.
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