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Plastic Process Engineer Jobs in Colorado (NOW HIRING)

TriMas Corporation

Process Engineer

Denver, CO · On-site

$100K - $107K/yr

Intertech Plastics LLC Primary Location: 12850 E 40th Ave, Denver, CO 80239 USA Workplace Type: On-site Employment Type: Salaried Full-Time Function: Engineering Equal Opportunity Employer Minorities ...

TriMas Corporation

Process Engineer

Denver, CO

Intertech Plastics is looking for an experienced Process Engineer to join our engineering team in Denver. If you enjoy solving complex manufacturing challenges, optimizing injection molding processes ...

Rieke Packaging Systems

Process Engineer

Denver, CO

Intertech Plastics is looking for an experienced Process Engineer to join our engineering team in Denver. If you enjoy solving complex manufacturing challenges, optimizing injection molding processes ...

Plasticmolding

Principal Manufacturing Engineer

Denver, CO · On-site

$145 - $175/hr

... process. Principal Manufacturing Engineer Full Time Technical Centennial, CO, US $145,000.00 To $175,000.00 Annually Company Description Plastic Molding Technology (PMT) manufactures high precision ...

Injectech

Process Technician

Fort Collins, CO · On-site

Monitor and adjust process parameters to maintain consistent product quality, process stability ... in plastics, engineering, manufacturing, or a related field preferred. * 2+ years experience of ...

New

Injectech LLC

Process Technician

Fort Collins, CO · On-site

$25 - $40/hr

Monitor and adjust process parameters to maintain consistent product quality, process stability ... in plastics, engineering, manufacturing, or a related field preferred. * 2+ years experience of ...

Injectech LLC

Process Technician

Fort Collins, CO · On-site

Monitor and adjust process parameters to maintain consistent product quality, process stability ... in plastics, engineering, manufacturing, or a related field preferred. * 2+ years experience of ...

TriMas Corporation

Product Engineer

Denver, CO · On-site

$86K - $92K/yr

... plastics manufacturing and product development. You'll gain hands on experience managing engineering projects, supporting new product launches, improving manufacturing processes, and collaborating ...

System One

Engineer III - Injection Molding

Denver, CO · On-site

Engineer III - Injection Molding Location: Lakewood, Colorado (relocation available) Type: Direct ... Strong understanding of injection molding, plastics processing, tooling, and assembly. * Hands-on ...

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All JobsPlastic Process Engineer JobsPlastic Process Engineer Jobs in Colorado

Plastic Process Engineer information

See Colorado salary details

$52K

$96.8K

$149.8K

How much do plastic process engineer jobs pay per year?

As of Aug 28, 2026, the average yearly pay for plastic process engineer in Colorado is $96,758.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,300.00 and $108,300.00 per year, depending on experience, location, and employer.

What does a plastic process engineer do?

A Plastic Process Engineer is responsible for designing, developing, and optimizing processes involved in the manufacturing of plastic products. They work with various types of plastic materials and molding technologies, such as injection molding, extrusion, and blow molding. Their duties often include troubleshooting production issues, improving process efficiency, ensuring product quality, and collaborating with design and production teams to implement best practices. They also play a key role in selecting materials, setting process parameters, and maintaining compliance with safety and environmental regulations.

What are some common challenges faced by plastic process engineers in optimizing manufacturing processes?

Plastic Process Engineers often encounter challenges such as maintaining consistent product quality while scaling up production, troubleshooting equipment malfunctions, and minimizing material waste. They must continuously monitor and adjust processing parameters like temperature, pressure, and cycle time to ensure efficiency and compliance with specifications. Collaboration with design, quality, and maintenance teams is crucial to quickly resolve issues and implement process improvements. Staying updated with new materials and technologies also plays a key role in overcoming these challenges and advancing in the field.

What are the key skills and qualifications needed to thrive as a plastic process engineer, and why are they important?

To thrive as a Plastic Process Engineer, you need a solid background in chemical or mechanical engineering, polymer science, and process optimization, often backed by a relevant degree. Familiarity with CAD software, injection molding machines, statistical process control (SPC), and certifications like Six Sigma are commonly required. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate with cross-functional teams and drive continuous improvement. These competencies ensure efficient production, high product quality, and innovation in plastic manufacturing environments.

What is the difference between Plastic Process Engineer vs Plastic Technician?

AspectPlastic Process EngineerPlastic Technician
CredentialsBachelor's degree in plastics engineering, chemical engineering, or related fieldTechnical diploma or associate degree in plastics technology or related field
Work EnvironmentDesign, optimize, and oversee manufacturing processes in production facilitiesOperate and maintain plastic processing equipment on the production floor
ResponsibilitiesProcess development, troubleshooting, and process improvementMachine setup, operation, and quality checks

The Plastic Process Engineer focuses on designing and improving plastic manufacturing processes, requiring a higher level of education and analytical skills. In contrast, the Plastic Technician handles day-to-day machine operation and maintenance. Both roles are essential in the plastics industry, but they differ in scope and responsibilities.

What are popular job titles related to Plastic Process Engineer jobs in Colorado?

For Plastic Process Engineer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Plastic Process Engineer jobs in Colorado look for?

The top searched job categories for Plastic Process Engineer jobs in Colorado are:

Plastic Process Engineer jobs near you
Infographic showing various Plastic Process Engineer job openings in Colorado as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, 4% Contract, and 1% Nights. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $96,758 per year, or $46.5 per hour.

Process Engineer

Centennial, CO • On-site

Plastic Molding Technology LLC
See more jobs at Plastic Molding Technology LLCexternal

Full-time

Re-posted 5 days ago

Job description

Company Description:

Plastic Molding Technology (PMT) manufactures high precision plastic parts for automotive, telecommunications, medical device, renewable energy, and industrial customers. The primary manufacturing processes are injection molding and thermoforming. PMT has ~100 injection molding presses at its two primary manufacturing locations in El Paso, TX and Centennial, CO (a suburb of Denver). 

Why Join Us?

  • Competitive salary and benefits package
  • Opportunity to work in a dynamic and innovative manufacturing environment
  • Growth potential within the company

Role Description:
The Process Engineer is responsible for engineering activities focused on injection molding and associated manufacturing processes. This role involves process design, optimization, troubleshooting, and innovation for polymer-based products. The Process Engineer ensures consistent quality, efficiency, and reliability of manufacturing processes while adhering to safety and regulatory standards.

What you’ll do:

  • Develop and optimize injection molding and extrusion processes to ensure consistent quality and efficiency
  • Design, test, and validate tooling, equipment, and processes for new product introductions
  • Monitor and troubleshoot production processes to resolve issues and improve performance
  • Collaborate with cross-functional teams to implement continuous improvement initiatives and cost-saving measures
  • Assist with investigations into process deviations, root causes, and corrective actions
  • Ensure compliance with industry standards and company quality systems, including IATF 16949, AS9100, ISO 9001, and customer requirements
  • Manage supplier relationships for tooling and raw materials, ensuring quality and delivery timelines are met
  • Develop and document standard operating procedures (SOPs) and best practices for polymer processing
  • Provide technical support and training to production and maintenance teams regarding molding and extrusion equipment
  • Lead projects related to process development, scale-up, and commercialization of new polymer products
  • Analyze data to identify trends, improve process efficiency, and reduce scrap rates
  • Contribute to a safe work environment by adhering to safety protocols and conducting regular risk assessments
  • Ensure materials compatibility and evaluate raw materials to meet performance requirements
  • Perform other duties as assigned

What we’re looking for:

  • Bachelor’s degree in engineering
  • 1-5 years of injection molding experience or Bachelor’s degree in plastics engineering
  • Proficiency with CAD software
  • Experience following work instructions, process documentation, and procedures to ensure safe working conditions
  • A team-driven attitude to work together and support department initiatives
  • The ability to complete production paperwork, which includes inventory accuracy
  • Excellent verbal and written communications required
  • Demonstrated communication and interpersonal skills
  • Excellent decision-making and problem-solving skills
  • Team-oriented
  • Must be detail-oriented and produce high quality work in a high-volume environment
  • Proven problem-solving and analytical skills
  • Ability to remain detail-oriented and produce high-quality work in a fast-paced environment
  • Travel as required, 10%

Plastic Molding Technology does not accept unsolicited resumes from staffing agencies or third-party recruiters. Any resumes submitted to our employees or hiring managers without a formal, signed agreement in place with Human Resources will be considered property of Plastic Molding Technology. We will not be liable for any fees related to unsolicited submissions and will not recognize any claims to candidate ownership. A valid contract must be executed before any candidate submissions are accepted.


M-F, 7:00 AM - 3:30 PM
Occasional evening and weekend work may be required as job duties demand.

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