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Interplastic Jobs in California (NOW HIRING)

IP Corporation

Production Manager

Hawthorne, CA · On-site

$117K - $147K/yr

Interplastic Corporation, a division of IP Corporation, is a leading manufacturer of unsaturated polyester resins, gel coats, vinyl esters, and other specialty polymers. For nearly 70 years, we've ...

IP Corporation

Maintenance Manager

Hawthorne, CA · On-site

$95K - $130K/yr

Our operating companies--Interplastic Corporation, North American Composites, HK Research, and Molding Products--work together to deliver technical expertise, high-quality products, and long-term ...

All JobsInterplastic JobsInterplastic Jobs in California

Interplastic information

See California salary details

$8

$25

$60

How much do interplastic jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for interplastic in California is $25.79, according to ZipRecruiter salary data. Most workers in this role earn between $14.83 and $30.13 per hour, depending on experience, location, and employer.

What is an Interplastic and what do they do?

Interplastic typically refers to Interplastic Corporation, a company specializing in the manufacturing of resins, gel coats, and related materials used in composite applications. Employees at Interplastic work in roles ranging from chemical engineering and product development to manufacturing, quality control, and sales. The company serves industries such as marine, transportation, construction, and corrosion-resistant equipment. Team members often collaborate to develop and deliver innovative solutions for advanced composite materials.

What is the difference between Interplastic vs Resin Technician?

AspectInterplasticResin Technician
CredentialsTypically requires a high school diploma or equivalent; certifications in resin handling or safety are a plusRequires a high school diploma; certifications in resin processing or safety are common
Work EnvironmentManufacturing plants, chemical processing facilitiesResin production facilities, manufacturing plants
Industry UsageUsed in composite manufacturing, plastics, and resin productionInvolved in resin formulation, mixing, and quality control
Job FocusOversees resin production, quality, and safetyPrepares and tests resins, ensures proper formulation

Interplastic and Resin Technicians both work in resin manufacturing environments, often requiring similar certifications and safety training. While Interplastic may focus more on overseeing production processes, Resin Technicians are typically involved in formulation and testing. Both roles are essential in the plastics and composite industries, with overlapping skills and work settings.

What are some common challenges faced by Interplastic sales representatives in building long-term client relationships?

Interplastic sales representatives often encounter challenges such as navigating complex client technical requirements, staying updated on evolving resin formulations, and addressing supply chain fluctuations. Building long-term relationships requires strong product knowledge, proactive communication, and the ability to provide tailored solutions for clients in industries like composites or construction. Effective collaboration with R&D, customer service, and logistics teams is essential to ensure client satisfaction and foster ongoing partnerships.

What are the key skills and qualifications needed to thrive as a Chemical Process Operator at Interplastic, and why are they important?

To thrive as a Chemical Process Operator at Interplastic, you need a solid background in chemistry or chemical engineering, experience in manufacturing environments, and a high school diploma or relevant certifications. Familiarity with process control systems, safety protocols, and equipment such as reactors and mixers is typically required. Attention to detail, problem-solving abilities, and strong teamwork skills help operators maintain safety and efficiency. These skills ensure proper handling of chemicals and processes, minimize risks, and support smooth plant operations.
What are popular job titles related to Interplastic jobs in California? For Interplastic jobs in California, the most frequently searched job titles are:
What job categories do people searching Interplastic jobs in California look for? The top searched job categories for Interplastic jobs in California are:
What cities in California are hiring for Interplastic jobs? Cities in California with the most Interplastic job openings:
Interplastic jobs near you
Infographic showing various Interplastic job openings in California as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $53,653 per year, or $25.8 per hour.
Production Manager

Production Manager

IP Corporation

Hawthorne, CA • On-site

$117K - $147K/yr

Full-time

Dental, Vision, Retirement, PTO

Posted 19 days ago

Job description

What is Interplastic Corporation:

Interplastic Corporation, a division of IP Corporation, is a leading manufacturer of unsaturated polyester resins, gel coats, vinyl esters, and other specialty polymers. For nearly 70 years, we’ve built a reputation for innovation, quality, and reliability. As a privately held, family-owned company, we are proud of our collaborative culture and long-term commitment to our employees, customers, and communities.

What you’ll do as Production Manager:

Manage the production operations at this manufacturing facility, including all available production resources, materials and human resources, in a timely and cost-efficient manner to produce a quality product on-time with customer satisfaction for the entire line of products manufactured at the Hawthorne plant.

What we are looking for in a Production Manager:

BS degree in chemical engineering or other technical degree with appropriate work experience

5 years’ experience in manufacturing (resin and gel coat preferred)

3 years' experience Supervising Production workforce

Experience in quality systems such as ISO9000.

Six Sigma or Lean Six Sigma Certification (preferred)

Union experience (preferred)


What you can expect to do as our Production Manager

  • Support the plant manager in the operation of this manufacturing facility in a manner that promotes employee safety, housekeeping and compliance with environmental standards.
  • Support the plant manager and plant scheduler in managing the inventories of raw materials to ensure the timely and cost-effective production of customer orders.
  • Schedule and manage the shift supervisors to ensure the objectives of this production facility are achieved.
  • Ensure the procedures defined in our ISO 9001 quality system are followed in the manufacturing operations.
  • Support the QC department to ensure that quality standards are maintained through the manufacturing, packaging, and labeling of all resin and gel coat and colorant products.
  • Lead production team to meet customer requirements and demands for shipment.
  • Maintain a positive and energetic interface with all staff members. Be a leader and teacher at all times.
  • Establish performance standards and hold all production personnel accountable for those standards. This includes working within the company established Progressive Disciplinary Policy guidelines as needed in order to achieve the desired results.
  • Punctuality and regularity of attendance are job requirements.

Physical Requirements:

  • Ability for prolonged periods of sitting at a desk and working with office equipment
  • Ability for standing and walking the plant floor (including stairs)
  • Ability to use a computer, telephone, keyboard, mouse, and office equipment such as printers, scanners, etc.
  • Lifting up to 10 lbs. regularly and up to 40 lbs. occasionally.
  • Ability to travel occasionally to other work sites for meetings or support (up to 10%)

Why Interplastic Corporation?

  • Positive, challenging, and supportive work environment.
  • Competitive benefits, including dental, vision, generous PTO, 401(k) with company match and more.
  • Freedom to innovate and make a difference in a vibrant, values-driven company that cares about its people.

#LI-IPCORP