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Plastic Injection Molding Engineer Jobs (NOW HIRING)

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 ...

Plastic Molding Mfg, Inc.

Plastics Engineer

Hudson, MA · On-site

... Injection Molding Since 1968, Plastic Molding Manufacturing (PMM) has been a privately held, owner ... S. facilities, we combine scale with deep engineering expertise-making us a go-to partner for ...

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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 13, 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.

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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.

Plastic Injection Molding Process Tech

New Freedom, PA

Resonetics
Manufacturing • 51 - 200 employees
Learn more about Resoneticsexternal

$23 - $27.75/hr

Full-time

Posted 20 days ago

Resonetics rating

7.5

Company rating: 7.5 out of 10

Based on 29 frontline employees who took The Breakroom Quiz

Job description

Overview

Resonetics is a global leader in advanced engineering, prototyping, product development, and micro manufacturing, driving innovation in the medical device industry. With rapid expansion across all our locations, we continue to push the boundaries of technology while fostering a dynamic, employee-centered culture. Our commitment to excellence and continuous improvement makes Resonetics an exciting place for professionals passionate about shaping the future of micro-manufacturing and being part of something bigger.

Position Summary: We are seeking a motivated Plastic Injection Molding Process Tech to support computer-based machining work centers and manual forming of medical device components. This role requires following work instructions, performing inspections, maintaining quality, and collaborating effectively within a team.

Join Resonetics and be part of a team that's redefining medical device manufacturing. If you're passionate about innovation and thrive in a fast-paced environment, we'd love to hear from you.

Responsibilities
  • Operate computer-based machining work centers and related equipment.
  • Develop and refine manufacturing processes in injection molding to improve efficiency and reduce waste.
  • Independently perform molding studies and accurately record and document findings.
  • Mold Set-up and Maintenance.
  • Able to understand operating procedures and warning signs.
  • Responsible for diagnosing and resolving issues that arise during production, ensuring that operations run smoothly and efficiently.
  • Operate various warehouse machinery, such as forklifts to move stock and reorganize storage.
  • Perform simple to medium-complexity tasks according to customer-specific process requirements and documented instructions.
  • Set up and adjust equipment to required specifications.
  • Follow work instructions
  • Verify system conditions or equipment status before operation.
  • Inspect components to ensure they meet specifications and quality standards.
  • Demonstrate awareness of departmental quality goals and ensure high workmanship.
  • Maintain a clean, organized, and safe work area, demonstrating strong housekeeping habits.
  • Adhere to all safety guidelines, including equipment-specific requirements (e.g., safe operation of laser radiation sources in accordance with Resonetics' personal protection policies).
  • Follow all company policies, standard operating procedures, and best practices.
  • Conduct work professionally and maintain a high standard of performance and behavior.
  • Collaborate effectively in a team environment.
  • Follow direction from the Supervisor and/or Production Manager at all times.
Required Qualifications
  • Minimum 3 years of experience in a manufacturing environment.
  • High School Diploma or equivalent.
  • Experience operating plastic injection molding machines
  • Experience setting molds in plastic injection molding machines for production and sampling runs
  • Proficiency with basic metrology tools including micrometers, gauge pins, and calipers.
  • Basic computer skills, including data entry and navigation of production systems.
Preferred Qualifications
  • Experience with automated or manual inspection equipment.
  • Experience performing IQ/OQ/PQ Validations
  • Familiarity with ISO Quality Systems particularly in medical device manufacturing.
Physical Demands
  • Ability to lift 50 pounds and sometimes more.
  • Good dexterity as many jobs require the handling of many small components.
  • Standing for long periods of time
Compensation

The compensation for this role is competitive and will be based on experience and qualifications. The anticipated range is $22- $33.00

Our company policy is that we are unable to provide visa sponsorship. Candidates must already be legally authorized to work in the United States without the need for sponsorship now or in the future.

Employment Type: FULL_TIME

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