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$31K

$89.4K

$118K

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

As of Jul 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 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 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 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.

What are the key skills and qualifications needed to thrive as a Plastic Injection Molding Engineer, and why are they important?

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.
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 job categories do people searching Plastic Injection Molding Engineer jobs look for? The top searched job categories for Plastic Injection Molding Engineer jobs are:
Plastic Injection Molding Engineer jobs near you
Infographic showing various Plastic Injection Molding Engineer job openings in the United States as of July 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $89,430 per year, or $43 per hour.
Engineer: Injection Molding Engineer

Engineer: Injection Molding Engineer

Nanobiosym

Cambridge, MA • On-site

Full-time

Posted 19 days ago

Job description

Injection Molding Engineer

Nanobiosym is on the cusp of rewriting the rules of personalized medicine, novel technologies, and healthcare delivery. Founded by a renowned MIT and Harvard trained Physician and Physicist, Nanobiosym's innovative pipeline of products leverage novel advances in physics, biomedicine, and nanotechnology. Awarded the first ever X-PRIZE for healthcare, and a recipient of multiple other prestigious peer-reviewed funding awards, Nanobiosym is currently adding to its talented team as it expands into a global commercial enterprise. We are currently seeking Engineering candidates to add to our growing team.

DUTIES

  • Collaborate with team members and management to develop and improve injection molded and assembled products and processing thru numerous manufacturing steps.
  • Develop and implement validation protocols (IQ/OQ/PQ) that comply with FDA regulations.
  • Provide troubleshooting focus and direction for the team with details of root cause analysis.
  • Utilizes Lean principles to develop creative, thorough and practical technical solutions.
  • This is a hands-on position where the requirement is to wear many hats where opportunities grow rapidly
  • Utilize Lean principles to develop creative, thorough and practical technical solutions.
  • Responsible for debugging, packaging and sterilization.
  • Document changes to processes and equipment using change management system
  • Participate in cross functional teams to improve safety, quality, efficiency and overall productivity
  • Monitor and validate existing injection molding processes and molds to develop and execute continuous improvement opportunities.
  • Identify risks, technical options value propositions, and champion solutions

QUALIFICATIONS

    • S. or B.S. in Engineering (Plastics or Mechanical preferred)
    • Six Sigma Black Belt is preferred
    • 7+ years of experience in molding, micromolding, mold flow, mold-making and tooling in manufacturing environment
    • Experience in design improvements and solid works/CAD
    • 7+ years of experience in diverse technical, materials, manufacturing and product design
    • Experience in statistical analysis and statistical process control
    • Recent experience with medical device development, in an FDA regulated (21 CFR 820) and/or ISO 13485 environment
    • Strong written and verbal communication skills as well as documentation and organizational skills
    • Strong mechanical aptitude
    • A passion for problem solving and thrive on handling multiple priorities and working in a fast paced environment

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