8 process engineering intern jobs at 6 companies in Riverside, CA

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Process Engineering Internship (Fall 2026)
Los Angeles or Hawthorne or El Segundo
$30-$35/hr OnsiteFull Time, Internship
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
Currently pursuing a Bachelor's in materials science, physics, or engineering; experimental design and statistical data analysis experience; strong data analysis skills; experience with Python and/or MATLAB.
Python, MATLAB, R, JMP, Minitab
2mo
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Intern - Electrical Engineering
Monrovia, California, United States
$27-$30/hr OnsiteMultiple Commitments Available
Attalon
Attalon: Designs and manufactures precision optical and laser systems.
0+ YOEPursuing BS in CS/Robotics/ME/EE/Physics/Applied Physics/Math; SolidWorks experience; scripting for automation; quick learner; robotics/embedded exposure; strong cross-disciplinary collaboration.
Solidworks, Automation, Robotics, Scripting, Computer Vision, Data processing
3w
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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
2mo
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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
3w
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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
3w
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Manufacturing Engineer - Intern
Santa Ana, California, United States
OnsiteMultiple Commitments Available
Regal Technology Partners: Manufacturer of mission-critical electronic systems for aerospace and defense.
Currently pursuing a Bachelor's in engineering, knowledge of manufacturing processes and lean principles, proficiency with Microsoft Office, strong analytical and problem-solving skills, ability to stand and lift up to 25 lbs.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
1w
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Intern, New Product Introduction
Aliso Viejo, California, United States
$19-$29/hr OnsiteInternship
MicroVention
MicroVention: Manufacturer of neurovascular medical devices for stroke treatment.
Working toward a BS in engineering, interest/experience in process development, coursework in statistics and tooling design, ability to prepare technical documentation, and skills with Word/Excel/PowerPoint; SolidWorks and Minitab a plus.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, SolidWorks, Minitab
3mo
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SAP SD Functional Analyst
Rancho Santa Margarita, California, United States
$95k-$135k/yr OnsiteFull Time
Applied Medical
Applied Medical: Manufacturer of advanced medical devices and surgical products.
4+ YOEBachelor's in Business, CS, Industrial Engineering, Supply Chain, or MIS; 4+ years SAP S/4HANA SD experience; client-facing/internal consulting; strong business process design; ERP across SAP modules; SD configuration; FDA CFR Part 11 knowledge.
SAP S/4HANA, SAP SD, ABAP, Microsoft Dynamics 365 CRM, SAP Global Trade Services