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Injection Molding Process Engineer Jobs (NOW HIRING)

Marchel Industries Inc.

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Injection Molding Process Technician

Spartanburg, SC · On-site

$55K - $65K/yr

Experience with a wide range of engineering materials and commodity materials is required. Training in RJG or Paulson injection molding processing would be a big plus. Company Description Injection ...

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Injection Molding Process Engineer information

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$49.5K

$92K

$142.5K

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

As of Jul 15, 2026, the average yearly pay for 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 are the key skills and qualifications needed to thrive as an Injection Molding Process Engineer, and why are they important?

To thrive as an Injection Molding Process Engineer, you need a solid background in engineering principles, plastics materials, and process optimization, usually backed by a degree in mechanical or manufacturing engineering. Proficiency with CAD software, molding simulation tools (such as Moldflow), and familiarity with quality management systems or Six Sigma certifications is highly valuable. Strong analytical thinking, problem-solving abilities, and effective communication skills help you collaborate with cross-functional teams and drive process improvements. These skills are crucial for ensuring efficient production, high-quality output, and the continuous improvement of manufacturing operations.

What are Injection Molding Process Engineers?

Injection Molding Process Engineers are professionals who specialize in designing, optimizing, and troubleshooting the injection molding process used to manufacture plastic parts. They work with production teams to develop efficient molding processes, select appropriate materials, and ensure product quality. Their responsibilities also include setting up and maintaining equipment, analyzing defects, and implementing process improvements to maximize productivity and reduce costs.

What is the difference between Injection Molding Process Engineer vs Injection Molding Technician?

AspectInjection Molding Process EngineerInjection Molding Technician
ResponsibilitiesDesigns, develops, and optimizes molding processes, troubleshooting complex issues, and improving efficiency.Operates and maintains molding machines, performs routine setups, and monitors production quality.
Required SkillsStrong understanding of process engineering, materials, and troubleshooting; often requires engineering degrees or certifications.Hands-on machine operation skills; technical training or certifications in machine operation.
Work EnvironmentDesign labs, engineering departments, or production floors with a focus on process development.Production floors with direct machine operation and quality checks.

The Injection Molding Process Engineer focuses on process design, optimization, and troubleshooting, often requiring engineering credentials. In contrast, the Injection Molding Technician handles daily machine operation and maintenance. Both roles are essential in the manufacturing process but differ in scope and responsibilities.

What are some common challenges Injection Molding Process Engineers face when troubleshooting production issues?

Injection Molding Process Engineers often encounter challenges such as inconsistent part quality, cycle time variation, and machine malfunctions. Troubleshooting these issues requires a solid understanding of molding parameters, material properties, and mold design. Engineers typically collaborate closely with production operators, quality control, and maintenance teams to analyze root causes and implement effective solutions. Staying current with process optimization techniques and leveraging data-driven approaches are key to successfully overcoming these challenges and ensuring high-quality output.
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Injection Molding Process Engineer jobs near you
Injection Molding Process Engineer - PSC121525

Injection Molding Process Engineer - PSC121525

PlasticStaffing

Saint Louis, MO • On-site

$75K - $100K/yr

Full-time

Posted 2 days ago

Job description

PlasticStaffing.com is the largest executive search firm specializing in Plastic molding, Chemical manufactruing, and Packaging industries. For the past 25+ years, we have assisted thousands of candidates by identifying, interviewing and confidentially connecting them to an ideal role in the industry. Our goal is to be a strategic partner with each of our clients and a career management consultant to our candidates, with our company culture built with honesty and integrity.

There is no charge to assist candidates having industry experience. To get started, we only require your updated resume, your honesty, and a few moments of your time over the phone.


Injection Molding Process Engineer - PSC121525 
 
Pay: $75,000 - 100,000/year + Benefits 
Type: Full-time / Permanent Hire 
 
Industry: Plastic Injection Molding
 
Schedule: Monday - Friday  
 
We’re seeking an experienced and results‑driven Injection Molding Process Engineer to join an ever-growing leader in the plastic packaging technology and injection molding industry. In this role, you will oversee and optimize molding operations for high-precision plastic components, ensuring efficiency, quality, and safety across all production processes.
 
Responsibilities:
  • Oversee daily injection molding operations to ensure consistent production of high‑quality plastic parts.
  • Develop, document, and optimize molding processes to improve efficiency, reduce cycle times, and maintain product standards.
  • Troubleshoot molding machines, tooling, and auxiliary equipment to minimize downtime and resolve technical issues.
  • Monitor and enforce quality control procedures to meet customer specifications and regulatory requirements.
  • Collaborate with cross‑functional teams in production, engineering, and maintenance to support new product launches and process improvements.
  • Train and mentor operators and technicians on machine setup, process adjustments, and safety practices.
  • Lead continuous improvement initiatives focused on lean manufacturing, waste reduction, and cost efficiency.
  • Maintain accurate records of process parameters, equipment performance, and compliance documentation.
Qualifications:
  • Bachelor’s degree in Engineering (Mechanical, Manufacturing, Plastics, or related field) or equivalent technical experience.
  • 3+ years of hands‑on experience in injection molding operations, process engineering, or plastics manufacturing.
  • Strong knowledge of thermoplastics and molding principles, including material properties, shrinkage, and flow behavior.
  • Proficiency with molding machines, tooling, and auxiliary equipment such as dryers, chillers, and robots.
  • Experience in process optimization techniques (DOE, SPC, Six Sigma, or similar).
  • Understanding of lean manufacturing and continuous improvement methodologies.
  • Excellent troubleshooting and problem‑solving skills with a focus on root cause analysis.
  • Strong communication and leadership abilities to collaborate with cross‑functional teams and train operators.
  • Ability to maintain accurate documentation of process parameters, quality standards, and compliance requirements.
This position offers competitive compensation, benefits, and opportunities for career growth within the organization. For more info, please contact:
 
Maria Abelardo | Recruiting Director
Direct: (754)-241-9507
PlasticStaffing.com
a division of National Search Group, Inc.