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Plastics Engineer Jobs in Seattle, WA (NOW HIRING)

DEMGY PACIFIC

Machinist - Plastics

Tacoma, WA · On-site

$30.75 - $34.75/hr

PRODUCTION SUPERVISOR - CNC PLASTICS DIRECT REPORTS: N/A POSITION SUMMARY Safely integrate ... engineering drawings, specifications, and interpret GD&T • Use micrometers, calipers, bore gages ...

DEMGY PACIFIC

Director of Engineering

Tacoma, WA · On-site

$120K - $145K/yr

Experience in plastics engineering, preferably within aerospace manufacturing. * Demonstrated success leading complex engineering or manufacturing programs across the full product lifecycle. * Strong ...

DEMGY PACIFIC

QA Inspector II - Plastics

Tacoma, WA · On-site

$25.50 - $30/hr

QUALITY ASSURANCE INSPECTOR II - PLASTIC REPORTS TO: DIRECTOR OF QUALITY DIRECT REPORTS: N/A ... Training and experience with programming and running coordinate measurement systems (CMM Manager ...

Boutique Recruiting

Product Engineer IV

Bothell, WA · On-site

$130K - $140K/yr

... plastic components. This individual must be equally comfortable designing in SolidWorks, troubleshooting on the production floor and mentoring developing engineers. Product Engineer IV ...

Collabera Digital

Packaging Engineer

Seattle, WA · On-site

$90K - $100K/yr

Engineering to the Power of AI™, AAVA™, Engineering AI , Engineering to Elevate Life™ ... Food contact packaging (paper, plastic, compostable fiber, etc.) * Disposable cups and lids Desired ...

New

Fujifilm

Mechanical Engineer III (QVS)

Bothell, WA

$95K - $120K/yr

As a Mechanical Engineer III, you will solve mechanical design issues to improve the quality of ... Knowledge of plastic and metal tooling to be able to evaluate suppliers' tools * Able to perform ...

Fujifilm

Mechanical Engineer III (QVS)

Bothell, WA · On-site

$95K - $120K/yr

Position Overview As a Mechanical Engineer III, you will solve mechanical design issues to improve ... Knowledge of plastic and metal tooling to be able to evaluate suppliers' tools * Able to perform ...

Fujifilm

Mechanical Engineer III (QVS)

Bothell, WA · On-site

$95K - $120K/yr

Position Overview As a Mechanical Engineer III, you will solve mechanical design issues to improve ... Knowledge of plastic and metal tooling to be able to evaluate suppliers' tools * Able to perform ...

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All JobsPlastics Engineer JobsPlastics Engineer Jobs in Seattle, WA

Plastics Engineer information

See Seattle, WA salary details

$41.6K

$74.3K

$123.5K

How much do plastics engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for plastics engineer in Seattle, WA is $74,316.00, according to ZipRecruiter salary data. Most workers in this role earn between $55,200.00 and $90,500.00 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 Seattle, WA?

The most popular types of Plastics Engineer jobs in Seattle, WA are:

What are popular job titles related to Plastics Engineer jobs in Seattle, WA?

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

What job categories do people searching Plastics Engineer jobs in Seattle, WA look for?

The top searched job categories for Plastics Engineer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Plastics Engineer jobs?

Cities near Seattle, WA with the most Plastics Engineer job openings:

Plastics Engineer jobs near you
Infographic showing various Plastics Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 91% Full Time, 4% Part Time, and 5% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $74,316 per year, or $35.7 per hour.

ML Engineer: Distributed Inference & Model Serving (Seattle)

ByteDance

Seattle, WA • On-site

Full-time

Re-posted 24 days ago

Job description

A leading technology company in Seattle is seeking a Machine Learning Engineer for Model Serving Infrastructure. The ideal candidate will have at least 5 years of experience and strong programming skills in C/C++/CUDA. You will design and implement distributed inference infrastructure and collaborate with product teams. This position offers a competitive salary and benefits in a dynamic work environment.
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