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Plastic Process Engineer Jobs in Wisconsin (NOW HIRING)

MGS Mfg. Group, Inc

Process Engineer

Richfield, WI · On-site

As a Process Engineer at MGS, you will be responsible for the upkeep of equipment and processes to ... Aids in the development of plastic processing project instructions to ascertain test specifications ...

MGS Mfg. Group, Inc

Process Engineer

Richfield, WI · On-site

As a Process Engineer at MGS, you will be responsible for the upkeep of equipment and processes to ... Aids in the development of plastic processing project instructions to ascertain test specifications ...

MGS Mfg. Group, Inc

Process Engineer

Richfield, WI

As a Process Engineer at MGS, you will be responsiblefor the upkeep of equipment and processes to ... Aids in the development of plastic processing project instructions to ascertain test specifications ...

Teel Plastics, Inc.

Process Engineer

Baraboo, WI · On-site

Teel Plastics makes products that matter and make lives better. Known for our friendly culture ... About the Role The Process Engineer is responsible for the manufacturing activities within the ...

Milwaukee Tool

Senior Process Engineer

Mukwonago, WI · On-site

$102K - $132K/yr

As a Senior Process Engineer , you will serve as the technical specialist for plastic injection molding - leading process development, optimization, and long-term sustainment. You will drive ...

Milwaukee Tool

Senior Process Engineer

Mukwonago, WI · On-site

$102K - $132K/yr

As a Senior Process Engineer , you will serve as the technical specialist for plastic injection molding - leading process development, optimization, and long-term sustainment. You will drive ...

medplast

Process Engineer

Elkhorn, WI · On-site

As a Process Engineer you will have a direct impact on making life saving devices each day and ... plastic injection molding, assembly and other processing systems for an injection molding ...

SACO AEI Polymers

Process Engineer

Sheboygan, WI · On-site

As a Process Engineer you will improve the safety, efficiency, and reliability of production ... Technology of plastics compounding and extruding, Familiarity with Word and Excel, Experience with ...

medplast

Process Engineer

Elkhorn, WI · On-site

As a Process Engineer you will have a direct impact on making life saving devices each day and ... plastic injection molding, assembly and other processing systems for an injection molding ...

AESSE INVESTMENTS LTD

Process Engineer

Sheboygan, WI

... processes and equipment through the application of engineering principles. Facilitate trials ... Technology of plastics compounding and extruding, Familiarity with Word and Excel, Experience with ...

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All JobsPlastic Process Engineer JobsPlastic Process Engineer Jobs in Wisconsin

Plastic Process Engineer information

See Wisconsin salary details

$50K

$92.9K

$143.8K

How much do plastic process engineer jobs pay per year?

As of Jul 12, 2026, the average yearly pay for plastic process engineer in Wisconsin is $92,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $75,200.00 and $104,000.00 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 Wisconsin? For Plastic Process Engineer jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Plastic Process Engineer jobs in Wisconsin look for? The top searched job categories for Plastic Process Engineer jobs in Wisconsin are:
What cities in Wisconsin are hiring for Plastic Process Engineer jobs? Cities in Wisconsin with the most Plastic Process Engineer job openings:
Plastic Process Engineer jobs near you
Infographic showing various Plastic Process Engineer job openings in Wisconsin as of July 2026, with employment types broken down into 87% Full Time, and 13% Contract. Highlights an 100% In-person job distribution, with an average salary of $92,878 per year, or $44.7 per hour.
Manufacturing Process Engineer

Manufacturing Process Engineer

Rehrig Pacific Company

Pleasant Prairie, WI • On-site

$70K - $93K/yr

Full-time

Posted 19 hours ago

Rehrig Pacific Company rating

6.9

Company rating: 6.9 out of 10

Based on 16 frontline employees who took The Breakroom Quiz

45th of 80 rated plastic manufacturers

Job description

Here at Rehrig Pacific, we are all about our people. Since 1913, our organization has focused on sustainable supply chain solutions while creating a culture and atmosphere where amazing people, like you, are celebrated for doing their best work. Rehrig Pacific has grown to meet the needs of our industry consumers across the country and internationally. We are constantly creating innovative solutions to transcend the new standards set forth by our customers. We find true fulfillment in helping others, both within the Rehrig Pacific family and in our communities. As servant leaders, we lead by example.
Purpose of Role
The purpose of the Process Engineer is to develop manufacturing methods and processes within the company's injection molding department. This role will collaborate with shift supervisors, technicians, and engineers to analyze production steps and establish sequence of operations that allow the most efficient, effective method of manufacture. In addition, the Process Engineer will be expected to establish production standards, perform cost control initiatives and analyze and correct daily process related issues. The development of methods and processes may take up to one month to complete.
Areas of Accountabilities
  • Support facility and manufacturing safety, environmental and ergonomics efforts.
  • Provide technical leadership with hands on approach to manufacturing process.
  • Optimize machine processes to meet Safety, Productivity and throughput goals.
  • Troubleshoot and solve plastic process problems.
  • Analyze process failures for root cause and recommend corrective actions.
  • Work with engineering on new project start-ups with transition into production.
  • Create standard work instructions.
  • Establish and maintain a documented standard process program using process studies as well as the management of deviations from the standard process.
  • Collaborate directly with Materials Manager to meet and improve upon alternative materials usage on a daily basis.
  • Assist in writing/modifying Sepro robot programs.
  • Work closely with the plant tooling manager and maintenance manager on machine and mold repairs.
  • Support the Quality Manager on internal & external quality issues derived from the Processing team.

Knowledge, Skills, and Experience
B.S. in Plastics Engineering (or equivalent experience) and approximately five years related experience; or advanced degree in appropriate technical discipline and approximately four years related experience.
Excellent computer skills and proficiency in MS Office.
Background in implementing continuous improvement projects in a manufacturing setting.
Formal Process training, preferably RJG or comparable (decoupled molding).
Rehrig Pacific Company is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. See also here.

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