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21 manufacturing engineering intern jobs at 17 companies in Simi Valley, 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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6d
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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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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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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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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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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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2mo
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Principal Engineer, Manufacturing Systems
Torrance, California, United States
$100k-$190k/yr OnsiteFull Time
Neros Technologies
Neros Technologies: Designs and manufactures American-made high-performance drones for defense.
8+ YOE8+ years software engineering experience with backend/platform/internal tools work; strong coding, API and integration design, production software delivery, cross-functional collaboration, and onsite factory support.
MES, ERP, QMS, CRM, WMS, APIs, ETL/ELT, CDC, message queues, RBAC, event-driven systems, integration platforms, barcode scanning
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2mo
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Production Engineer
Los Angeles, California, United States
HybridFull Time
Beamlink
Beamlink: Building portable, low-power cellular network infrastructure towers.
1+ YOEBachelor's degree in engineering, 1–3 years production/manufacturing/supply chain experience, PCB and international supplier experience, PLM/ERP familiarity, ability to read drawings and manage BOMs.
Duro, PLM, ERP, Zoom
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Application Engineer CAD/CAM US West (remote)
Los Angeles or California
$90k-$130k/yr RemoteFull Time
OPEN MIND Technologies
OPEN MIND Technologies: Developer of CAD/CAM software solutions for CNC machining.
3+ YOERequires 3+ years of manufacturing or CNC programming experience, CNC machining and CAD/CAM knowledge, software troubleshooting, GD&T, communication skills, a valid driving license, and domestic and occasional international travel.
hyperMILL, CNC, CAD/CAM, Microsoft Office, Salesforce
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3w
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Quality Systems Engineer
Torrance, California, United States
$120k-$150k/yr OnsiteFull Time
Stellant Systems
Stellant Systems: Manufacturer of radio frequency and microwave power amplification products.
5+ YOE5+ years quality or manufacturing engineering experience, AS9100/internal audit ownership, corrective action leadership, ECN and ESD program management, KPI/dashboard experience (Power BI/Tableau) preferred.
Power BI, Tableau
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1mo
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Senior Director, Administration - Plant
Blythewood or Columbia or San Francisco or Los Angeles or New York City
$210k-$255k/yr OnsiteFull Time
Scout Motors
Scout Motors: Designs and manufactures all-electric rugged SUVs and trucks.
15+ YOE15+ Mgmt15+ years leadership in manufacturing or complex operations; bachelor's in business/EHS/engineering/industrial tech (advanced degree preferred); accountable for EHS, security, workplace services, compliance, budgets, and travel (domestic & international); valid driver's license and passport required.
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1mo
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QA/QC Manager
Pasadena, California, United States
OnsiteFull Time
Aurorium
Aurorium: Manufacturer of specialty chemicals and performance-enhancing materials.
5+ YOE2+ MgmtBS in Chemistry or Engineering (MS preferred), 5+ years CGMP manufacturing experience, 2+ years supervisory experience, internal auditor training, ASQ certifications preferred, ISO 9001 and GMP proficiency, analytical lab experience, strong problem-solving and computer skills.
Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, SAP
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