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Plastics Engineer Jobs in Colorado (NOW HIRING)

PTA Plastics

Manufacturing Engineer

Longmont, CO · On-site

$85K - $125K/yr

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

Plasticmolding

Principal Manufacturing Engineer

Denver, CO · On-site

$145 - $175/hr

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 plastic ...

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Professional Plastics

Territory Manager

Denver, CO · On-site

$60K - $90K/yr

Professional Plastics is a leading distributor of high-performance engineering plastic shapes. We provide the widest range of engineering plastics, composites & technical ceramics in the marketplace.

TriMas Corporation

Product Engineer

Denver, CO · On-site

$86K - $92K/yr

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

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 ...

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All JobsPlastics Engineer JobsPlastics Engineer Jobs in Colorado

Plastics Engineer information

See Colorado salary details

$38.4K

$68.6K

$114.1K

How much do plastics engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for plastics engineer in Colorado is $68,628.00, according to ZipRecruiter salary data. Most workers in this role earn between $51,000.00 and $83,600.00 per year, depending on experience, location, and employer.

What is a plastics engineer?

As a plastics engineer, you design and develop products and goods made with plastic material. You find ways to improve the manufacturing process, lower the cost of manufacturing, design molding for plastic products, establish parameters and specifications for new designs, and collaborate with plastics engineers and other colleagues. The qualifications for a career as a plastics engineer are a bachelor’s degree in engineering technology or plastics engineering and a professional engineering (PE) license. You need an understanding of the properties of plastics and strong math skills to get jobs in plastics engineering.

What do plastics engineers do?

Plastics Engineers are professionals who design, develop, and manufacture products made from plastic materials. They work on selecting appropriate plastics, developing new materials, and optimizing manufacturing processes to produce durable, efficient, and cost-effective products. Their responsibilities often include testing materials, troubleshooting production issues, and ensuring products meet safety and quality standards. Plastics Engineers play a key role in industries such as automotive, packaging, medical devices, and consumer goods.

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

To thrive as a Plastics Engineer, you need a solid background in polymer science, materials engineering, and manufacturing processes, typically supported by a relevant engineering degree. Familiarity with CAD software, simulation tools, and industry standards such as ASTM or ISO, as well as certifications like Six Sigma, are often required. Strong problem-solving abilities, attention to detail, and effective communication are essential soft skills in this role. These skills ensure the development of high-quality, cost-effective plastic products and successful collaboration with cross-functional teams.

What are some common challenges faced by plastics engineers in managing material selection for new products?

Plastics Engineers often encounter challenges when selecting materials for new products, as they must balance performance requirements, cost constraints, manufacturability, and environmental impacts. Navigating the vast array of plastic resins and additives requires a deep understanding of how different materials behave under various conditions. Additionally, engineers must collaborate closely with design, manufacturing, and quality teams to ensure chosen materials meet industry standards and customer expectations. Staying updated with advances in sustainable plastics and recycling technologies is also increasingly important in this role.

What is the difference between Plastics Engineer vs Materials Scientist?

AspectPlastics EngineerMaterials Scientist
Required CredentialsBachelor's in Plastics Engineering, Chemical Engineering, or Materials ScienceBachelor's or higher in Materials Science, Chemistry, or Physics
Work EnvironmentManufacturing plants, R&D labs, product design facilitiesResearch labs, academic institutions, industrial R&D
Industry UsagePlastic product manufacturing, packaging, automotive, consumer goodsMaterial development, research, quality testing across industries

Plastics Engineers focus on designing, developing, and testing plastic products and processes, often working directly in manufacturing settings. Materials Scientists conduct research on materials' properties and develop new materials, typically in research or academic environments. While both roles require a background in materials, Plastics Engineers are more application-oriented, whereas Materials Scientists focus on fundamental research.

More about Plastics Engineer jobs

What are the most commonly searched types of Plastics Engineer jobs in Colorado?

The most popular types of Plastics Engineer jobs in Colorado are:

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

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

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

What cities in Colorado are hiring for Plastics Engineer jobs?

Cities in Colorado with the most Plastics Engineer job openings:

What are popular job titles related to Plastics Engineer jobs in CO?

For Plastics Engineer jobs in CO, the most frequently searched job titles are:

Plastics Engineer jobs near you
Infographic showing various Plastics Engineer job openings in Colorado as of August 2026, with employment types broken down into 92% Full Time, 4% Part Time, 1% Temporary, and 3% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $68,628 per year, or $33 per hour.

Process Engineer

Plastic Molding Technology LLC

Englewood, CO • On-site

Full-time

Re-posted 28 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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