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Materials Engineer Intern Jobs in Riverside, CA (NOW HIRING)

Winpak Ltd

Mechanical Engineer - Intern

Rialto, CA · On-site

$22 - $25/hr

As a Mechanical Engineer Intern, you'll play an active role in bringing projects to life-developing ... Create bills of materials and monitor assigned projects to insure accuracy and on time delivery.

InsulTech

Design Engineering Intern

Santa Ana, CA

Job Responsibilities We are looking for a design engineering intern to support our growing heat ... Prepare 2D and 3D drawings and models; select raw materials; and develop specifications. * Perform ...

Howmet Aerospace

Engineering Intern

Brea, CA · On-site

$26/hr

Our high-tech, multi-material fastening systems are found nose to tail on aircraft and aerospace ... The Engineering Intern effectively assists Manufacturing Management with various productivity ...

InsulTech

Design Engineering Intern

Santa Ana, CA · On-site

Job Responsibilities We are looking for a design engineering intern to support our growing heat ... Prepare 2D and 3D drawings and models; select raw materials; and develop specifications. * Perform ...

Integr8staff

Human Resources Intern

Brea, CA

$20 - $25/hr

... and legacy manufacturing and engineering company for a long-term career opportunity ... Assists with the new hire process by preparing orientation materials, coordinating first-day ...

Integr8staff

Human Resources Intern

Brea, CA

$20 - $25/hr

... and legacy manufacturing and engineering company for a long-term career opportunity ... Assists with the new hire process by preparing orientation materials, coordinating first-day ...

Integr8staff

Human Resources Intern

Brea, CA

$20 - $25/hr

... and legacy manufacturing and engineering company for a long-term career opportunity ... Assists with the new hire process by preparing orientation materials, coordinating first-day ...

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Materials Engineer Intern information

See Riverside, CA salary details

$11

$20

$30

How much do materials engineer intern jobs pay per hour?

As of May 30, 2026, the average hourly pay for materials engineer intern in Riverside, CA is $20.15, according to ZipRecruiter salary data. Most workers in this role earn between $16.78 and $21.83 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Materials Engineer Intern, and why are they important?

To thrive as a Materials Engineer Intern, you need a solid understanding of materials science fundamentals, laboratory techniques, and coursework in engineering or related fields. Familiarity with analytical tools like scanning electron microscopes (SEM), X-ray diffraction (XRD), and software such as MATLAB or AutoCAD is commonly expected. Curiosity, attention to detail, and strong teamwork and communication skills help interns contribute effectively to projects and collaborate with mentors. These capabilities are crucial for accurate experimentation, data analysis, and successful integration into engineering teams.

What types of projects and responsibilities can I expect as a Materials Engineer Intern?

As a Materials Engineer Intern, you'll typically assist with materials testing, data analysis, and research to support ongoing product development or manufacturing projects. You may be involved in preparing samples, conducting experiments in the lab, and documenting results for review by senior engineers. Interns often collaborate with cross-functional teams, such as design or quality assurance, to help solve real-world engineering challenges. This hands-on experience is invaluable for building technical skills and understanding how materials engineering fits into larger company objectives.

What does a Materials Engineer Intern do?

A Materials Engineer Intern supports professional engineers in researching, developing, and testing materials used to create a wide range of products. Typical tasks include assisting with laboratory experiments, analyzing material properties, preparing reports, and helping to improve material performance or processes. Interns often work under supervision, gaining hands-on experience with materials such as metals, polymers, ceramics, and composites. This internship helps students or recent graduates apply theoretical knowledge to real-world engineering problems and prepares them for a full-time role in materials engineering.

What is the difference between Materials Engineer Intern vs Materials Engineer?

AspectMaterials Engineer InternMaterials Engineer
Required CredentialsTypically pursuing a bachelor's degree in materials science or engineering; internship experience preferredBachelor's degree in materials science, engineering, or related field; professional licensure optional
Work EnvironmentSupportive, learning-focused environment within manufacturing, research labs, or R&D departmentsFull-time professional role in designing, testing, and analyzing materials in industrial settings
Employer & Industry UsageInternships offered by manufacturing firms, aerospace, automotive, and research institutionsFull-time positions in similar industries, often with more responsibility and project leadership

Materials Engineer Interns are students gaining practical experience, while Materials Engineers are full-time professionals responsible for developing and testing materials. Interns focus on learning and supporting projects, whereas Engineers lead design and analysis tasks in their field.

What are popular job titles related to Materials Engineer Intern jobs in Riverside, CA? For Materials Engineer Intern jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Materials Engineer Intern jobs in Riverside, CA look for? The top searched job categories for Materials Engineer Intern jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Materials Engineer Intern jobs? Cities near Riverside, CA with the most Materials Engineer Intern job openings:
Materials Engineer Intern jobs near you
Infographic showing various Materials Engineer Intern job openings in Riverside, CA as of May 2026, with employment types broken down into 13% Internship, 61% Full Time, and 26% Part Time. Highlights an 91% In-person, and 9% Remote job distribution, with an average salary of $41,913 per year, or $20.2 per hour.

Mechanical Engineer - Intern

Winpak Ltd

Rialto, CA • On-site

$22 - $25/hr

Full-time

Posted 8 hours ago

Winpak rating

7.5

Company rating: 7.5 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

41st of 109 rated packaging manufacturers

Job description

Winpak Lane is looking for a Mechanical Engineering Intern to join their team, based out of our facility in Rialto, CA.
As a Mechanical Engineer Intern, you'll play an active role in bringing projects to life-developing detailed drawing packages and layouts, and collaborating across disciplines to coordinate equipment and component designs. You'll also have the opportunity to support engineers, designers, and drafters on a variety of projects, gaining hands-on experience and exposure to real-world engineering work.
Education:
  • Pursuing bachelor's degree in Mechanical Engineering
  • Preferably an undergraduate expecting to graduate by 2nd quarter of 2026

Qualifications
  • Basic knowledge in reading and interpreting engineering blueprints.
  • Team player with strong organizational and problem-solving skills
  • Ability to work independently.
  • Experience using SolidWorks and Autodesk products.
  • Ability to interpret and apply guide lines from various sources including but not limited to the FDA, USDA, 3A, Code of Federal Regulations, CSA, and EU/CE directives and harmonized standards.
  • Excellent verbal and written communication, excellent computer skills including Microsoft Word, Excel, and PowerPoint.
  • Familiarity with electrical wiring and systems a plus.
  • Familiarity with PDM software a plus.

Key Responsibilities
  • Perform engineering duties in planning and designing machine parts and other mechanically functioning equipment.
  • Responsible for drafting, designing, developing diagrams and 3D mdels for complex packaging machines.
  • Participates in the analysis and validation of design concepts.
  • Performs routine engineering tasks using standard engineering practices.
  • Learn to apply applicable design principles related to machinery involved in the packaging or handling of food products.
  • Assist with specifying equipment components or direct modification of products to ensure conformance with engineering design and performance specifications.
  • Research, design, evaluate and maintain mechanical products, equipment, systems, processes to meet requirements and applying knowledge of engineering principles.
  • Follow Winpak engineering procedures such as naming conventions, baseline dimensioning, tolerancing and creation of assemblies and parts.
  • Create bills of materials and monitor assigned projects to insure accuracy and on time delivery.
  • Expected to learn correct data entry methods for Winpak Systems.
  • Participate with investigating equipment failures and difficulties to diagnose faulty operation.
  • Assist drafters ,designers and engineers as needed.
  • Clear communication is key part in the success of this position.
  • Must be familiar with and able to apply applicable design principles to sanitation.
  • Become familiar with machinery safety and guarding per OSHA, CE and CSA

Additional Details:
  • This is a part time position, based out of our facility in Rialto, California
  • Compensation Range: $22.00-$25.00/hour. The compensation range provided is a general guideline only. Pay will be determined based on the candidate's experience and expertise and is subject to vary.

Why Winpak?
Winpak is committed to providing comprehensive benefits to support the physical, mental, financial, and social well-being of our employees and their families.
Winpak's vision is to provide the best packaging solutions for people and planet. We are a leading supplier of innovative packaging solutions, known for providing high-quality products that meet the needs of a variety of industries, including food and beverage, pharmaceuticals, and consumer products. With a commitment to sustainability, safety, and excellence, Winpak continues to grow as a global leader in the packaging industry.
At Winpak, inclusion is one of our core values. We believe that an inclusive culture fosters a sense of belonging, drives innovation, and provides our brand a competitive advantage. Our goal is to create an environment free from harassment and discrimination, and where every individual feels respected, valued, and appreciated.
As an Equal Opportunity Employer, we are committed to an equitable and inclusive recruitment process, evaluating applicants based on merit, capability, and qualifications related to the job - never on identity factors such as race, color, gender, age, sexual orientation, religion, disability, national origin, or any other protected status. To support this commitment, if you require any accommodations during the recruitment process, please let us know and we will work with you to ensure your needs are met.
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

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