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Plastic Injection Molding Process Engineer Jobs (NOW HIRING)

PTA Plastics

Sr. Process Engineer

Oxford, CT · On-site

$120K - $135K/yr

PTA Plastics, an employee-owned and innovative leader in the plastic injection molding, contract manufacturing and tool-building industry, is looking for a Senior Process Engineer to join our dynamic ...

Newton T&M

Plastic Injection Molding Technician

Newton, NJ · On-site

$22.75 - $30.75/hr

... mold processes, machines, and auxiliary equipment problems and make necessary changes to ensure ... in Plastic Injection Molding. In this role, you will perform mold processing and machine setup ...

Newton T&M

Plastic Injection Molding Technician

Newton, NJ

$22.75 - $30.75/hr

... mold processes, machines, and auxiliary equipment problems and make necessary changes to ensure ... in Plastic Injection Molding. In this role, you will perform mold processing and machine setup ...

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Plastic Injection Molding Process Engineer information

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$49.5K

$92K

$142.5K

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

As of Jul 13, 2026, the average yearly pay for plastic injection molding process engineer in the United States is $92,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,500.00 and $103,000.00 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.

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.
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Plastic Injection Molding Process Engineer jobs near you
Infographic showing various Plastic Injection Molding Process Engineer job openings in the United States 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 $92,018 per year, or $44.2 per hour.
Process Technician (Injection Molding)

Process Technician (Injection Molding)

Texas Injection Molding

Houston, TX • On-site

$21.25 - $25.25/hr

Full-time

Re-posted 11 hours ago

Job description

Description:

The Injection Molding Process Technician is responsible for operating and maintaining injection molding machines to produce high-quality plastic parts. This role requires a strong understanding of plastics processing principles and a commitment to safety and efficiency.

  • Responsible for establishing and maintaining robust injection molding processes providing customers quality parts; on time within the quoted cycle time and set labor standards.
  • Responsible to establish plans and goals on quarterly basis.
  • Helps to lead continuous improvement with focus on production efficiency, scrap and organization.
  • Responsibility to mentor Setup Technicians including, but not limited to daily priorities, training, and procedures.
  • Responsible to aid in facility manufacturing engineering, including but not limited to, robotics, dryer, thermolators, loaders, etc. for the efficient production of plastic parts on the molding floor
  • Responsible to aid reviewing new projects for proper manufacturing setup that allow for efficient processes and ergonomics for our workforce.
  • Responsible for managing mold startup and shutdowns including monitoring and approvals, procedures and holding team accountable to set standards
  • Responsible for the timely setup of molds and workstation based upon production schedule
  • Works directly and alongside Production Manager in the execution of production orders as necessary
  • Provides technical guidance on the most robust methods of plastics processing, robotics, conveying and process controls
  • Responsible for making sure manufacturing cycles are in line with company standards and to make improvement as necessary.
  • Responsible for providing technical support to Quality for NCR and CR actions including help driving root cause analysis and corrective actions for internal quality problems or customer complaints.
  • Responsible for maintaining a clean and orderly work area
  • Part of team that establishes, implements and audits company injection mold and machinery preventative maintenance program


Requirements:

Education:

  • High School Diploma
  • Technical 2 year college degree or equivalent work experience

Work Experience:

  • Minimum of 4 years of experience in injection molding processing
  • Working knowledge of types of thermoplastics and injection molds

Knowledge/Skills and Abilities:

  • A positive can-do attitude
  • Understanding of injection molding
  • Proficient in ability to set-up and create robust molding processes
  • Ability to use computer and programs associated with performing job requirements
  • Good interpersonal skills both written and verbal
  • Ability to make timely fact-based decisions; shows good judgment
  • Proficient in the ability to read and interpret customer drawings
  • Basic mechanical aptitude and troubleshooting skills.
  • Ability to work independently and handle projects to completion
  • Adhere to all safety procedures and regulations.
  • Wear appropriate personal protective equipment (PPE).
  • Ability to lift up to 50 pounds.
  • Ability to stand for extended periods.

Working Conditions:

  • Manufacturing environment with potential exposure to noise, heat, and dust.
  • Ability to stand for extended periods.
  • Must be able to work overtime as needed.


Disclaimer:


This job description reflects management’s assignment of essential functions; it does not prescribe or restrict the tasks that may be assigned.


Equal Opportunity Employer


We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.