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Polymer Engineer Jobs in Minnesota (NOW HIRING)

Vantive

Senior Principal Engineer

Plymouth, MN · On-site

$132K - $182K/yr

Lead evaluation, selection, development and qualification of polymer materials and container ... Mentor, coach, and develop engineers, strengthening technical depth, strategic thinking, and ...

Vantive

Senior Principal Engineer

Plymouth, MN · On-site

$132K - $182K/yr

Lead evaluation, selection, development and qualification of polymer materials and container ... Mentor, coach, and develop engineers, strengthening technical depth, strategic thinking, and ...

Lancesoft INC

Materials Engineer

Moundsview, MN · On-site

$30 - $35/hr

Materials Engineer I Location: Mounds View, MN 55112 Must Have: * Industry or academic laboratory ... Polymer Characterization Top 3 skills: * Core materials science knowledge * Hands-on lab experience ...

Formerra

Account Manager

Minneota, MN

Who We Are Formerra is a preeminent distributor of engineered materials, connecting the world's leading polymer producers with thousands of OEMs and brand owners across healthcare, consumer ...

Entegris, Inc.

$86.50 - $108/hr

... polymer science, lab practices/safety, statistical data analysis, and related testing methods (plus). * Creative thinker with problem-solving aptitude and the ability to develop new test protocols.

Entegris

Mechanical Engineer

Chaska, MN · On-site

Mechanical Engineer Entegris is seeking a motivated Mechanical Engineer to join a dynamic team responsible for polymer fluid handling products such as valves, tubing, and fittings in Chaska, MN as ...

Trelleborg

Senior Manufacturing Engineer

Delano, MN

$95K - $123K/yr

Polymer Science, Lean Kaizen or other specialized background * 7 years of experience in manufacturing engineering or related discipline * Demonstrated leadership skills * Medical device manufacturing ...

Zeus Company, Inc.

Assoc Mfg Engineer

Arden Hills, MN · On-site

Zeus Industrial Products, headquartered in Orangeburg, South Carolina, is the world's leading polymer extrusion manufacturer and material science innovator. More than 50 years of experience in ...

Trelleborg

Senior Manufacturing Engineer

Delano, MN · On-site

$95K - $123K/yr

Polymer Science, Lean Kaizen or other specialized background * 7 years of experience in manufacturing engineering or related discipline * Demonstrated leadership skills * Medical device manufacturing ...

Biomerics

Extrusion Technician

Brooklyn Park, MN

$18.75 - $23.75/hr

Description Company Overview Biomerics is a world-class manufacturer and innovative polymer ... The technician works closely with Production, Engineering, Quality, and R&D to ensure extrusion ...

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All JobsPolymer Engineer JobsPolymer Engineer Jobs in Minnesota

Polymer Engineer information

See Minnesota salary details

$49.5K

$87.5K

$151.8K

How much do polymer engineer jobs pay per year?

As of Aug 25, 2026, the average yearly pay for polymer engineer in Minnesota is $87,490.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,600.00 and $112,600.00 per year, depending on experience, location, and employer.

What does a polymer engineer do?

A Polymer Engineer specializes in the design, development, and testing of polymer materials, which include plastics, rubbers, and composites. They work on improving the properties of these materials to meet specific performance requirements for various industries such as automotive, aerospace, medical, and consumer goods. Their responsibilities often include research, product development, quality control, and troubleshooting manufacturing processes. Polymer Engineers also collaborate with chemists, material scientists, and engineers from other disciplines to create innovative products and solutions.

What does a polymer engineer do?

A polymer engineer primarily works in plastics development. In this career, you develop and test plastics or related materials. Your responsibilities include the fabrication of new polymers, working with the prototype, and designing new equipment to process these materials. You also provide support for all plastic injection molding techniques and monitor customer issues, working to resolve them quickly. You analyze and evaluate the success of each new plastic or polymer. You also research and analyze ongoing developments in the plastics field and select polymers for new applications and testing. Other duties include maintaining product improvement policies and promoting efficient lab operations.

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

To thrive as a Polymer Engineer, you need a solid background in polymer science, materials engineering, and chemistry, typically supported by a relevant bachelor's or master's degree. Proficiency in simulation software (such as MATLAB or ANSYS), laboratory instrumentation, and familiarity with industry standards and testing protocols is crucial. Strong problem-solving skills, attention to detail, and effective teamwork and communication abilities set candidates apart in this field. These skills are essential to innovating, ensuring product quality, and successfully collaborating on multidisciplinary projects in the development of new polymer materials and applications.

What are some typical challenges polymer engineers face when working on new material development projects?

Polymer Engineers often encounter challenges such as balancing material properties to meet specific application requirements, ensuring compatibility with manufacturing processes, and addressing cost constraints. Collaborating with cross-functional teams—including chemists, product designers, and manufacturing specialists—is essential to troubleshoot issues and innovate solutions. Additionally, staying current with industry regulations and sustainability trends can add complexity, but also opens opportunities for creative problem-solving and professional growth.

What is the difference between Polymer Engineer vs Materials Scientist?

AspectPolymer EngineerMaterials Scientist
Required CredentialsBachelor's or Master's in Polymer Science, Chemical Engineering, or Materials ScienceBachelor's or Master's in Materials Science, Chemistry, or Physics
Work EnvironmentResearch labs, manufacturing facilities, R&D departmentsResearch labs, academia, industry R&D
Industry UsagePlastic, rubber, polymer product manufacturingBroad industry applications including metals, ceramics, polymers

Polymer Engineers focus specifically on the development and manufacturing of polymer materials, while Materials Scientists have a broader scope, studying various materials including metals, ceramics, and polymers. Both roles often collaborate and share similar educational backgrounds, but Polymer Engineers are more specialized in polymer applications and production processes.

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Polymer Engineer jobs near you
Infographic showing various Polymer Engineer job openings in Minnesota as of August 2026, with employment types broken down into 91% Full Time, 2% Part Time, and 7% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $87,490 per year, or $42.1 per hour.

Mold Validation Engineer

Purple Hires Inc

Minneapolis, MN • On-site

Full-time

Posted 13 days ago

Job description

JOB DESCRIPTIONJob Summary
  • Seeking an experienced Mold Validation Engineer with strong hands-on mold validation experience in the medical-device industry.
  • The engineer will execute mold trials, analyze molding/process data, establish validated process windows, and prepare/approve validation documentation.
  • The ideal candidate should understand injection molding, mold qualification, RJG data, process validation, OQ/PQ and regulated medical-device manufacturing.
  • Strong collaboration with Manufacturing Engineering, Operations, Quality and Tooling teams is required.
Key Responsibilities
  • Execute mold trials including:
    • Functional Testing
    • Gate Freeze
    • D3
    • Characterization
  • Collect and analyze RJG data.
  • Establish and document validated process windows.
  • Prepare and update PODs and FW redlines.
  • Prepare draft OQ/PQ plans and validation documentation.
  • Define mold validation scope and validation requirements.
  • Review mold trial results and recommend process changes when required.
  • Coordinate daily with Manufacturing Engineering, Operations, Quality and Tooling teams.
  • Coordinate press allocation and trial schedules.
  • Review trial results and participate in technical decisions.
  • Approve POD redlines.
  • Review and approve OQ/PQ draft documents.
  • Provide validation templates and documentation formats.
  • Confirm validation readiness and provide required sign-off.
  • Ensure molding processes comply with applicable QMS and regulatory requirements.
Required Qualifications
  • 8–12 years of relevant engineering experience.
  • Strong hands-on mold validation / mold qualification experience.
  • Direct experience in the medical-device industry is highly preferred/required for sourcing.
  • Strong injection molding / plastic molding background.
  • Experience collecting and using RJG/process data.
  • Experience defining process windows.
  • Experience with OQ/PQ and process validation.
  • Experience preparing validation documentation.
  • Engineering degree in:
    • Mechanical Engineering
    • Polymer Engineering
    • Industrial Engineering
    • Production Engineering
    • Plastics/related engineering discipline
  • Ability to work onsite in Minneapolis, MN.