Job Description

Engineering Intern

Interplastic Corporation – Hawthorne, CA
Summer / Part-Time / Internship Program

What is Interplastic Corporation?

Interplastic Corporation is a family-owned manufacturer specializing in high-performance gel coats, resins, and advanced composite materials. Our products serve a wide range of industries, including marine, transportation, industrial, and construction.

The Hawthorne, California facility is a key manufacturing location where engineering, operations, and production teams collaborate to deliver innovative and reliable solutions to our customers. We are committed to developing future engineering talent by providing meaningful, hands-on experience in a real manufacturing environment.

What You’ll Do as an Engineering Intern:

As an Engineering Intern at Interplastic’s Hawthorne plant, you will gain direct exposure to manufacturing operations, engineering processes, and continuous improvement initiatives. You’ll work closely with engineers, plant leaders, and cross-functional teams to support projects that impact production efficiency, quality, and safety.

This internship is designed to provide practical engineering experience while helping you explore a career in manufacturing and materials science.

What You Can Expect to Do in This Role:

• Support engineering projects related to manufacturing processes, equipment, and production improvements.

• Assist with data collection, analysis, and documentation to support engineering and operational decisions.

• Participate in plant floor activities, including process observations and troubleshooting.

• Help create or update engineering documentation, SOPs, work instructions, or reports.

• Contribute to continuous improvement, lean manufacturing, or safety initiatives.

• Collaborate with production, quality, maintenance, and engineering teams.

• Learn about composite materials, chemical manufacturing processes, and plant operations.

• Build professional skills in problem-solving, communication, teamwork, and time management.

What We Are Looking For:

Required Qualifications:

• Currently enrolled in a college or university pursuing a degree in Engineering (Chemical, Mechanical, Industrial, Manufacturing, or related field).

• Interest in manufacturing, process engineering, or industrial operations.

• Strong communication, organizational, and analytical skills.

• Willingness to learn and work in a team-based, plant environment.

• Basic computer proficiency (Excel, Word, email, etc.).

Preferred (but Not Required):

• Prior internship, co-op, or hands-on project experience.

• Coursework related to manufacturing, process engineering, or materials science.

• Curiosity, initiative, and a continuous improvement mindset.

Why Intern with Interplastic?

• Hands-on, real-world engineering experience — not busywork

• Supportive mentors and experienced engineers invested in your growth

• Exposure to manufacturing operations and engineering career paths

• Stable, long-standing company with industry leadership

• Potential opportunity to return for future internships or full-time roles

Pay Transparency:

Hourly Compensation: $25.00
Hours and schedule can be adjusted based on academic requirements.

Equal Opportunity Employer:

Interplastic Corporation is an equal opportunity employer and encourages diversity in the workplace.

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