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Plastic Injection Molding Engineer Jobs (NOW HIRING)

Florida Custom Mold

$54K - $75K/yr

Join Our Team as an Injection Molding Process Engineer! Are you an experienced Production Supervisor with a strong background in plastic injection molding? Do you have a knack for troubleshooting ...

Professional Search Group - Orange County

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Plastic Injection Mold Process Technician

Tustin, CA · On-site

$28 - $32/hr

Skills * Strong mechanical knowledge with experience in plastics injection molding, extrusion, and blow molding processes. * Proficiency with programmable logic controllers (PLCs) for machine ...

Plastic Molding Manufacturing

Plastics Engineer

Hudson, MA · On-site

$110K - $130K/yr

Drive Innovation at a Leader in Custom Injection Molding Since 1968, Plastic Molding Manufacturing ... S. facilities, we combine scale with deep engineering expertise--making us a go-to partner for ...

ICU Medical

Injection Molding Engineer II

Dublin, OH · On-site

Position Summary The Engineer II, Molding is responsible for supporting injection molding improvements through adherence to established product design, scientific injection molding process, tooling ...

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Plastic Injection Molding Engineer information

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$31K

$89.4K

$118K

How much do plastic injection molding engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for plastic injection molding engineer in the United States is $89,430.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,500.00 and $104,500.00 per year, depending on experience, location, and employer.

What does a plastic injection molding engineer do?

A Plastic Injection Molding Engineer is responsible for designing, optimizing, and overseeing the manufacturing process of plastic parts using injection molding machines. They work with product designers to ensure manufacturability, select appropriate materials, develop and troubleshoot molds, and continually improve production efficiency and product quality. Their role also involves monitoring the molding process, solving technical problems, and ensuring compliance with safety and quality standards.

What are the key skills and qualifications needed to thrive as a plastic injection molding engineer?

To thrive as a Plastic Injection Molding Engineer, you need a solid background in materials science, mechanical engineering, and process optimization, typically supported by a relevant engineering degree. Familiarity with CAD software, injection molding simulation tools, and quality management systems like ISO 9001 is essential. Strong problem-solving, attention to detail, and effective communication skills help engineers collaborate with cross-functional teams and troubleshoot complex production issues. These capabilities are crucial to ensuring efficient, high-quality manufacturing and continuous process improvement in plastic injection molding operations.

What are some common challenges faced by plastic injection molding engineers and how can they be addressed?

Plastic Injection Molding Engineers often encounter challenges such as optimizing mold design for manufacturability, resolving defects like warping or incomplete filling, and maintaining consistent product quality. Effective troubleshooting skills, close collaboration with design and production teams, and staying updated with the latest material and technology advancements are key to overcoming these issues. Regular communication with toolmakers and operators also helps in quickly identifying and resolving process inefficiencies, ensuring smooth production runs.

What is the difference between Plastic Injection Molding Engineer vs Plastic Manufacturing Technician?

AspectPlastic Injection Molding EngineerPlastic Manufacturing Technician
CredentialsBachelor's degree in engineering or related field, certifications like CPI or injection molding trainingHigh school diploma or technical training, on-the-job experience
Work EnvironmentDesign, development, process optimization in manufacturing settingsOperate machinery, perform quality checks on the production floor
ResponsibilitiesDesigning molds, process improvement, troubleshooting complex issuesSetting up machines, monitoring production, basic troubleshooting

The Plastic Injection Molding Engineer focuses on designing and optimizing molding processes, requiring specialized engineering knowledge. In contrast, the Plastic Manufacturing Technician handles daily machine operation and quality checks. Both roles are essential in the plastic manufacturing industry but differ in scope and technical requirements.

More about Plastic Injection Molding Engineer jobs

What states have the most Plastic Injection Molding Engineer jobs?

States with the most job openings for Plastic Injection Molding Engineer jobs include:

What are popular job titles related to Plastic Injection Molding Engineer jobs?

For Plastic Injection Molding Engineer jobs, the most frequently searched job titles are:

Plastic Injection Molding Engineer jobs near you
Infographic showing various Plastic Injection Molding Engineer job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 87% Full Time, 9% Part Time, and 3% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $89,430 per year, or $43 per hour.

Process Technician - Plastic Injection Molding

West Bend, WI • On-site

Comar Engineering Services
See more jobs at Comar Engineering Servicesexternal

$24.25 - $29.25/hr

Full-time

Re-posted 3 days ago

Job description

PROCESS TECHNICIAN - PLASTIC INJECTION MOLDING

Position Details

  • Employment Type: Full-time

Background & Experience

Required

  • High school diploma or technical/vocational education
  • At least three years of experience supporting manufacturing processes, preferably in molding operations
  • Strong understanding of injection molding processes, tooling, and cavity pressure monitoring systems
  • Working knowledge of scientific molding principles and formal validation methodologies (IQ/OQ/PQ)

Preferred

  • Experience with manufacturing ERP or MES systems
  • Prior work in regulated manufacturing environments (e.g., ISO 9001 and/or ISO 13485)
  • Exposure to both injection molding and extrusion processes

Key Areas of Responsibility

Equipment Support

  • Perform machine startups, changeovers, and parameter verification for injection molding operations
  • Monitor molding processes to ensure consistent output and compliance with quality standards
  • Diagnose and resolve equipment or part quality issues using structured troubleshooting and scientific molding techniques

Quality & Documentation

  • Complete required production and quality documentation accurately and timely
  • Inspect molded parts to verify conformance to specifications
  • Communicate tooling, equipment, or process concerns to maintenance, engineering, or quality teams

Collaboration & Improvement

  • Support process validation and improvement efforts, including DOE activities, CAPAs, and master process documentation
  • Provide technical input on tooling performance, mold benchmarking, and process capability improvements
  • Assist team members during breaks, absences, or priority production situations to maintain steady operations

Safety & Compliance

  • Maintain clean and organized work areas
  • Follow all applicable safety, GMP, and PPE requirements
  • Support a safe and reliable second-shift manufacturing operation

    Apply