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Plastic Injection Molding Process Engineer Jobs in Tennessee

Century Mold Co

CMM Engineer

Shelbyville, TN · On-site

This role combines expertise in plastic injection molding processes with advanced metrology, data ... Interpret engineering drawings, GD&T (Geometric Dimensioning & Tolerancing), and CAD models.

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Plastic Injection Molding Process Engineer information

See Tennessee salary details

$44.9K

$83.5K

$129.3K

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

As of Jun 22, 2026, the average yearly pay for plastic injection molding process engineer in Tennessee is $83,517.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,600.00 and $93,500.00 per year, depending on experience, location, and employer.

What does a Plastic Injection Molding Process Engineer do?

A Plastic Injection Molding Process Engineer is responsible for developing, optimizing, and troubleshooting the injection molding process used to manufacture plastic parts. They design process parameters, select appropriate materials, and ensure the quality and efficiency of production. These engineers collaborate with design, production, and quality teams to resolve technical issues, implement process improvements, and maintain consistent product quality.

Do process engineers make a lot of money?

Plastic injection molding process engineers typically earn competitive salaries that vary based on experience, location, and industry. Entry-level engineers may start with lower wages, while experienced professionals with certifications and specialized skills can earn higher compensation, often including benefits and bonuses. Overall, the role offers a solid income potential within manufacturing and engineering fields.

What are some typical challenges faced by Plastic Injection Molding Process Engineers during new product launches?

Plastic Injection Molding Process Engineers often encounter challenges such as optimizing process parameters to achieve consistent part quality and minimizing cycle time during new product launches. They must collaborate closely with design, tooling, and production teams to troubleshoot issues like warping, sink marks, or incomplete fills. Adjusting machines for new molds, validating process stability, and meeting tight deadlines while ensuring customer specifications are met can also be demanding. Strong problem-solving skills and effective communication are essential to navigate these complexities.

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

To thrive as a Plastic Injection Molding Process Engineer, you need a solid background in mechanical or manufacturing engineering, with expertise in polymer materials and molding processes, often supported by a relevant engineering degree. Familiarity with CAD software, mold flow simulation tools, and quality management systems like Six Sigma or ISO standards is typically required. Strong problem-solving, analytical thinking, and effective communication skills help engineers optimize processes and work collaboratively with cross-functional teams. These capabilities are crucial for ensuring efficient production, minimizing defects, and meeting quality and safety standards in a highly technical manufacturing environment.

How much do injection mold engineers make?

Injection mold process engineers typically earn between $60,000 and $90,000 annually, depending on experience, location, and industry. Senior engineers or those with specialized skills and certifications can earn higher salaries, often exceeding $100,000. Compensation may also include benefits such as bonuses and health insurance.

What does an injection molding Process Engineer do?

An injection molding Process Engineer is responsible for developing, optimizing, and maintaining the manufacturing processes for plastic injection molding. They analyze mold designs, set machine parameters, troubleshoot production issues, and ensure quality standards are met, often using tools like CAD software and process control charts. Their role helps improve efficiency, reduce defects, and ensure consistent product quality in a manufacturing environment.

What engineers make $500,000?

Senior engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills, and sometimes leadership roles or executive responsibilities.
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Plastic Injection Molding Process Engineer jobs near you
Infographic showing various Plastic Injection Molding Process Engineer job openings in Tennessee as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $83,517 per year, or $40.2 per hour.

PLASTIC PROCESS ENGINEER - Injection & Blow Molding

Technical Response, Inc.

Knoxville, TN

Other

Posted 6 days ago

Job description

Description

PROCESS ENGINEER - INJECTION & BLOW MOLDING

Department: Processing

Reports To: Technical Services Manager 

Classification: Full-Time

Revision Date: June 2026

Job Summary

A Plastic Process Engineer is responsible for developing, optimizing, validating, and sustaining injection molding and blow molding manufacturing processes. This role plays a critical part in ensuring the efficient, safe, and cost-effective production of high-quality plastic products.

Job Duties
  • Develop and optimize injection molding and blow molding processes for new and existing products.
  • Establish and document process parameters to ensure repeatable and robust manufacturing operations.
  • Conduct process validations including IQ/OQ/PQ and process capability studies.
  • Implement and maintain scientific molding principles and process controls.
  • Collaborate with tooling engineers to improve mold performance, cycle times, and product quality.
  • Troubleshoot molding defects and lead CAPA activities.
  • Perform DOE studies to optimize processing conditions.
  • Support mold trials, resin qualifications, and new product launches.
  • Analyze production data to reduce scrap and improve productivity.
  • Train technicians and operators on process standards and best practices.

Requirements

Education and Experience

  • Bachelor's Degree in Plastics, Manufacturing, Mechanical Engineering, or related field preferred. 3-10 years of injection molding and/or blow molding experience. Scientific Molding certification preferred.
  • Solid understanding of Molding principles, including material selection, mold design, injection molding processes, and process optimization techniques
  • Communication, Problem & Solving Skills, Time management, Collaboration skills, Attention to details.
  • A strong understanding of the injection molding process and the use of all injection molding equipment to include robotics.
  • Computer skills including a familiarity with MS Power Point / Excel / others.
  • Be able to communicate in English.

Position Type:

This is a full-time position. The position regularly requires long hours and possible weekend work.

Travel:

  • Minimal travel may be expected.


"Technical Response is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status."


Note: Duties may change as the company needs evolve.



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