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Plastic Injection Molding Jobs in Seattle, WA (NOW HIRING)

CMF Developer

Seattle, WA · On-site

$144K - $204K/yr

... plastic injection molding processes, metal fabrication techniques, resin development, coating technologies, plastics decoration processes, fabrics and textiles • Experience working directly with ...

This role will work across plastic injection molding, assembly, and paint operations to drive measurable improvements in safety, quality, delivery, and cost within an AS9100-certified aerospace ...

New

Operator I

Tacoma, WA · On-site

$22.50 - $25.75/hr

POSITION SUMMARY Manufacture high-quality plastic molded products within the quoted cycle time ... injection molding machine in a safe, efficient, and accurate manner. • Produce product based on ...

Monday through Thursday 3:30pm to 4:30am Position Purpose Responsible for operation of injection molding machines and related equipment in production of quality products. Essential Duties and ...

Director of Engineering

Tacoma, WA · On-site

$120 - $145/hr

Proficient in ERP/MRP systems supporting plastic injection molding, tooling, production planning, and cost control (IQMS preferred) Demonstrated success in process and product development, including ...

CMF Developer

Seattle, WA · On-site

$144K/yr

Expert knowledge of plastic injection molding processes, metal fabrication techniques, resin development, coating technologies, plastics decoration processes, fabrics and textiles * Experience ...

Manufacturing Engineer

Tacoma, WA · On-site

$75 - $92/hr

Plastic injection molding processes, including press-side secondary or assembly operations * Manual machining and CNC machining * Secondary manufacturing and assembly operations * Ensure all new ...

... Plastic injection molding processes, including pressside secondary or assembly operations o Manual machining and CNC machining o Secondary manufacturing and assembly operations • Ensure all new ...

Experience designing parts with consideration for plastic injection molding, CNC machining, and metal forming/casting/extrusion/stamping best practices * Experience managing complex part interactions ...

Machine Operator 1st Shift

Tukwila, WA · On-site

$19.25 - $22.75/hr

Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle machines) to ensure production of quality bottles. * Adhere to quality control and to blow mold process ...

Mechanical Engineer II

Bothell, WA · On-site

$96K - $118K/yr

... to injection molded plastic, machined components, dynamic systems, stamped sheet metal and integrated systems • Knowledge and use of additive manufacturing technologies in part design and ...

... injection molded plastic, machined components, dynamic systems, stamped sheet metal and integrated systems Knowledge and use of additive manufacturing technologies in part design and prototyping is ...

Mechanical Engineer II

Bothell, WA · On-site

$97 - $118/hr

Design of 3D models and 2D drawings including but not limited to injection molded plastic, machined components, dynamic systems, stamped sheet metal and integrated systems * Knowledge and use of ...

Mechanical Engineer II

Bothell, WA · On-site

$97 - $118/hr

Design of 3D models and 2D drawings including but not limited to injection molded plastic, machined components, dynamic systems, stamped sheet metal and integrated systems * Knowledge and use of ...

Showing results 21-40

Plastic Injection Molding information

See Seattle, WA salary details

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How much do plastic injection molding jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for plastic injection molding in Seattle, WA is $20.91, according to ZipRecruiter salary data. Most workers in this role earn between $17.50 and $23.56 per hour, depending on experience, location, and employer.

What is plastic injection molding?

Plastic injection molding is a manufacturing process used to produce parts by injecting molten plastic material into a mold. The process involves melting plastic pellets, injecting the liquid into a custom-designed mold cavity, and then cooling the material until it solidifies into the final shape. This method is widely used due to its ability to produce high volumes of identical parts with complex shapes and fine details. It's commonly used in industries such as automotive, consumer goods, electronics, and medical devices.

What are the key skills and qualifications needed to thrive as a plastic injection molding technician?

To thrive as a Plastic Injection Molding Technician, you need a solid understanding of manufacturing processes, mechanical aptitude, and familiarity with material properties, usually supported by a high school diploma or technical certification. Proficiency in using injection molding machines, process control software, and quality inspection tools is essential. Attention to detail, problem-solving skills, and effective communication help you stand out in this role. These skills ensure the efficient production of high-quality parts, minimize downtime, and maintain safety and productivity on the manufacturing floor.

What are some common challenges faced by plastic injection molding technicians, and how can they be addressed?

Plastic Injection Molding Technicians often encounter challenges such as machine downtime, material inconsistencies, and maintaining product quality. Addressing these requires strong troubleshooting skills, attention to detail, and good communication with maintenance and quality control teams. Proactively inspecting equipment, adhering to preventive maintenance schedules, and collaborating closely with engineers help minimize defects and ensure efficient production. Continuous learning and staying updated with new molding technologies also support long-term success in this role.

What is the difference between Plastic Injection Molding vs Plastic Mold Designer?

AspectPlastic Injection MoldingPlastic Mold Designer
Primary RoleManufactures plastic parts by injecting molten plastic into moldsDesigns and develops molds used in plastic injection molding processes
Required SkillsMachine operation, material knowledge, quality controlCAD design, mold design, engineering principles
Work EnvironmentFactories, manufacturing plantsDesign studios, engineering offices
CertificationsMachine operation, safety certificationsCAD software certifications, engineering credentials

While Plastic Injection Molding involves the actual manufacturing of plastic parts, Plastic Mold Designers focus on creating the molds used in this process. Both roles are essential in the plastic manufacturing industry, with overlapping skills in engineering and design, but they differ in daily tasks and work environments.

What are popular job titles related to Plastic Injection Molding jobs in Seattle, WA?

For Plastic Injection Molding jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Plastic Injection Molding jobs in Seattle, WA look for?

The top searched job categories for Plastic Injection Molding jobs in Seattle, WA are:

Infographic showing various Plastic Injection Molding job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, 2% Contract, and 2% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $43,484 per year, or $20.9 per hour.

CMF Developer

Meta

Seattle, WA • On-site

$144K - $204K/yr

Full-time

Re-posted 25 days ago


Key responsibilities

  • Support the industrial design team through implementation of material design specifications

  • Establish and maintain quality standards and consistency across a portfolio of materials

  • Interface with industry and manufacturing partners to research and develop proprietary material combinations and new production techniques


Meta rating

7.8

Company rating: 7.8 out of 10

Based on 45 frontline employees who took The Breakroom Quiz

138th of 247 rated software companies


Job description

As a Color, Material, and Finish Developer on the RL Industrial Design team, you bring extensive knowledge of industrial materials and finishes as well as a passion for sourcing and developing new materials, methods and processes. You have a record of helping ship successful products in the Consumer Electronics, Wearable Technology, Fashion, or Eyewear industries and demonstrated track record of working collaboratively with cross-discipline teams and manufacturing partners. Your insights, experience and development efforts will help guide the unique style and distinctive look of our brand. This position is full-time.
Responsibilities
Support the industrial design team through implementation of material design specifications
• Establish and maintain quality standards and consistency across a portfolio of materials
• Interface with industry and manufacturing partners to research and develop proprietary material combinations and new production techniques
• Lead the resolution of design, prototyping and manufacturing issues during the development phase
• Communicate and resolve manufacturing and prototyping challenges
• Manage and maintain CMF product specifications for products in development from concept to production
• Occasional domestic and international travel is a requirement for this position
Minimum Qualifications
• Bachelors of Industrial Design from an accredited college or university, or relevant professional experience
• 10+ years experience working as a CMF Designer/Developer
• Ability to communicate design vision and concepts using traditional techniques to internal teams and Leadership
• Expert knowledge of plastic injection molding processes, metal fabrication techniques, resin development, coating technologies, plastics decoration processes, fabrics and textiles
• Experience working directly with materials suppliers, manufacturing partners and cross-functional teams to solve complex product problems at scale
• Working knowledge of 3D CAD and digital visualization software
Preferred Qualifications
• Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)
• Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
• Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
About Meta
Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today-beyond the constraints of screens, the limits of distance, and even the rules of physics.
Equal Employment Opportunity
Meta is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. You may view our Equal Employment Opportunity notice here.

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