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Plastic Process Engineer Jobs in Colorado (NOW HIRING)

Mechanical Engineer IV

Longmont, CO · On-site

$130K - $140K/yr

... plastic, and die-castings that meet challenging size, cost, and thermal/cooling requirements ... Create technical documentation throughout the development process including specifications ...

... molded plastic parts, progressively stamped metal parts, and the assembly processes that bring ... S. in Mechanical Engineering or an equivalent field, with 3+ years of work experience required.

Manufacturing Engineer I

Longmont, CO · On-site

$72K - $92K/yr

Lead and support plastic 3D printing initiatives, including design, programming, and execution ... Familiarity with manufacturing processes, including CNC machining and 3D Printing * Working ...

Manufacturing Engineer II

Longmont, CO · On-site

$85K - $120K/yr

Lead and support plastic 3D printing initiatives, including design, programming, and execution ... Familiarity with manufacturing processes, including CNC machining and 3D Printing * Working ...

Manufacturing Engineer I

Longmont, CO · On-site

$72K - $100K/yr

Lead and support plastic 3D printing initiatives, including design, programming, and execution ... Familiarity with manufacturing processes, including CNC machining and 3D Printing * Working ...

Manufacturing Engineer II

Longmont, CO · On-site

$72K - $92K/yr

Lead and support plastic 3D printing initiatives, including design, programming, and execution ... Familiarity with manufacturing processes, including CNC machining and 3D Printing * Working ...

Sr. Mechanical Engineer -

Lafayette, CO · Hybrid

$108K - $143K/yr

... systems, enclosures, plastics, and precision components Experience supporting regulatory ... Makes improvements of processes, systems or products to enhance performance of the job area.

Sr. Mechanical Engineer -

Lafayette, CO · Hybrid

$108K - $143K/yr

... systems, enclosures, plastics, and precision components Experience supporting regulatory ... Makes improvements of processes, systems or products to enhance performance of the job area.

Mechanical Engineer III

Denver, CO · On-site

$99K - $119K/yr

Creation of 3D ABS plastic models for analysis and make specialized moulds and forms as needed for ... process. * Ability to design simple fixtures and tooling for machining of precision parts.

Sr. Mechanical Engineer -

Lafayette, CO · On-site

$108K - $143K/yr

... plastics, and precision components • Experience supporting regulatory submissions (510(k), CE ... Makes improvements of processes, systems or products to enhance performance of the job area.

... engineer or engineering manager. Must possess at least six (6) years' experience with each of the ... Plastic injection molding and metal casting processes. FMEA and DVP&R plans The position is located ...

New

Sr. Engineering Manager

Lafayette, CO · On-site

$215K - $256K/yr

... engineer or engineering manager. Must possess at least six (6) years' experience with each of the ... Plastic injection molding and metal casting processes. FMEA and DVP&R plans The position is located ...

New

Senior Mechanical Engineer

Englewood, CO

$103K - $136K/yr

Effectively use AMS's Product Development Process and industry standard product development ... Direct experience with injection molded plastic part design. GD&T is a plus. * Direct experience ...

Senior Mechanical Engineer

Englewood, CO · On-site

$103K - $136K/yr

Effectively use AMS's Product Development Process and industry standard product development ... Direct experience with injection molded plastic part design. GD&T is a plus. * Direct experience ...

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Showing results 1-20

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 Jul 17, 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 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 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 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 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 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:
Infographic showing various Plastic Process Engineer job openings in Colorado as of July 2026, with employment types broken down into 91% Full Time, 6% Part Time, and 3% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $96,758 per year, or $46.5 per hour.
Project Engineer

Project Engineer

United Employment Group

Denver, CO • On-site

$80K - $100K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago


Job description

POSITION OVERVIEW

We are seeking a driven Project Engineer with 2–3 years of commercial concrete experience to join a growing concrete subcontracting operation. This role sits at the intersection of field and office — you'll support Project Managers and Superintendents in the day-to-day execution of structural and site concrete projects, with exposure to tilt-up panel construction, CIP structural work, and commercial flatwork. This is a high-visibility role with a clear path to Project Manager for the right candidate.


KEY RESPONSIBILITIES

  • Support Project Managers in pre-construction activities including scope review, submittal preparation, and project setup
  • Manage RFIs, submittals, material procurement logs, and project documentation from award through closeout
  • Coordinate with Superintendents on field sequencing, material delivery scheduling, and production planning
  • Assist with tilt-up panel layout review, embed coordination, bracing design review, and crane lift planning documentation
  • Track project schedules, identify potential delays, and communicate proactively with the project team
  • Process subcontractor and supplier change orders; assist with owner change order preparation and backup documentation
  • Maintain quality control documentation; attend OAC meetings and prepare meeting minutes
  • Conduct regular site visits to monitor progress, support the Superintendent, and develop field knowledge


QUALIFICATIONS

  • 2–3 years of experience in commercial concrete construction — subcontractor side strongly preferred
  • Exposure to tilt-up construction — panel layout, embed coordination, bracing, or erection sequencing a plus
  • Bachelor's degree in Civil Engineering, Construction Management, or related field preferred; equivalent field experience considered
  • Proficiency with Procore, Bluebeam, and Microsoft Office; scheduling software experience (P6 or MS Project) a plus
  • Strong blueprint reading skills; ability to interpret structural drawings and concrete specifications
  • Organized, detail-oriented, and able to manage multiple concurrent project deliverables
  • OSHA 10 required; OSHA 30 preferred


COMPENSATION & BENEFITS

  • Competitive base salary commensurate with experience
  • Health, dental, and vision benefits
  • 401(k) with employer match
  • Clear advancement path to Project Manager

Company Description

United Employment Group, Inc. is a search and placement firm specializing in Concrete Products and Construction, Metals, Refrigeration, Engineering/Surveying and Plastic Industries.