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

Trelleborg Group

Injection Mold Processor

Renton, WA · On-site

$32 - $40/hr

As an Injection Mold Processor, you will set up and operate injection molding machines to produce high-quality plastic parts. You will monitor production, inspect parts for quality, troubleshoot ...

VAUPELL INDUSTRIAL

Molding Machine Operator

Everett, WA · On-site

$20 - $22/hr

We are the global market leader in plastic components and assemblies for aircraft interiors while ... Position Purpose Responsible for operation of injection molding machines and related equipment in ...

Verstela

Press Operator - 1st shift

Woodinville, WA

$20/hr

This company specializes in rubber and plastic injection-molded products supporting industries like aerospace, medical equipment, and industrial manufacturing. This team is looking for dependable ...

Meta

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 ...

Demgy Pacific

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 ...

Meta

CMF Developer

Seattle, WA

$144K/yr

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

Verstela

Aerospace Paint Prep

Renton, WA

$22/hr

This company manufactures injection-molded products for the aerospace industry. In this role, you'll prep and sand aerospace windows and plastic components--an essential part of ensuring the quality ...

Meta

Industrial Designer

Seattle, WA

$208K/yr

Familiarity with advanced manufacturing processes such as plastic injection molding, metal forming/casting, and textile integration About Meta: Meta builds technologies that help people connect, find ...

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All JobsPlastic Injection Mold JobsPlastic Injection Mold Jobs in Seattle, WA

Plastic Injection Mold information

See Seattle, WA salary details

$18

$34

$43

How much do plastic injection mold jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for plastic injection mold in Seattle, WA is $34.39, according to ZipRecruiter salary data. Most workers in this role earn between $31.44 and $38.56 per hour, depending on experience, location, and employer.

What is a plastic injection mold?

Plastic injection molds are specialized tools used in the injection molding process to shape molten plastic into specific forms and parts. They are typically made from durable metals like steel or aluminum and are designed to withstand high pressures and temperatures. The mold consists of two main halves that come together to form a cavity, which is then filled with melted plastic and cooled to produce the final product. Injection molds are commonly used in mass manufacturing of plastic components for industries such as automotive, consumer goods, and electronics.

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

To thrive as a Plastic Injection Mold Technician, you need a strong understanding of manufacturing processes, mechanical aptitude, and experience with mold setup and maintenance, often supported by technical training or an associate degree. Familiarity with CNC machines, injection molding equipment, and quality control systems, as well as certifications like RJG or Paulson, is highly beneficial. Attention to detail, problem-solving, and teamwork are crucial soft skills for addressing production challenges and ensuring consistent quality. These skills and qualifications are essential for maintaining efficient production, minimizing defects, and meeting safety and quality standards in a manufacturing environment.

What is the difference between Plastic Injection Mold vs Plastic Mold Technician?

AspectPlastic Injection MoldPlastic Mold Technician
Primary RoleDesign, develop, and manufacture plastic molds for injection molding processesOperate, troubleshoot, and maintain plastic molds during production
Required SkillsCAD design, mold fabrication, material selectionMachine operation, mold setup, troubleshooting
Work EnvironmentManufacturing plants, mold shopsInjection molding facilities, production lines
CertificationsOften requires technical certifications in mold design or manufacturingMachine operation certifications, safety training

While a Plastic Injection Mold focuses on designing and creating molds, a Plastic Mold Technician operates and maintains these molds during production. Both roles are essential in the injection molding industry, with overlapping skills but distinct responsibilities.

What are some common challenges faced by plastic injection mold technicians on the job?

Plastic injection mold technicians often encounter challenges related to maintaining precise quality standards, troubleshooting equipment malfunctions, and minimizing production downtime. Adjusting machine settings to accommodate different mold designs and materials can require strong attention to detail and problem-solving skills. Additionally, technicians frequently collaborate with engineers and production teams to resolve defects and optimize manufacturing processes, making communication skills important for success in this role.
What are popular job titles related to Plastic Injection Mold jobs in Seattle, WA? For Plastic Injection Mold jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Plastic Injection Mold jobs in Seattle, WA look for? The top searched job categories for Plastic Injection Mold jobs in Seattle, WA are:
Plastic Injection Mold jobs near you
Infographic showing various Plastic Injection Mold job openings in Seattle, WA as of August 2026, with employment types broken down into 85% Full Time, 10% Part Time, 3% Contract, and 2% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $71,533 per year, or $34.4 per hour.

Injection Mold Processor

Trelleborg Group

Renton, WA • On-site

$32 - $40/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago

Job description

At Trelleborg every part made allows us to make a difference. Founded in 1905, Trelleborg is an international organization operating within the multitude of industries including aerospace, automotive, medical, industrial, and food, water and beverage. Our manufacturing team is focused on creating parts needed in the aerospace industry.
Summary of the Role:
As an Injection Mold Processor, you will set up and operate injection molding machines to produce high-quality plastic parts. You will monitor production, inspect parts for quality, troubleshoot process issues, perform basic machine maintenance, and help ensure production, quality, and safety standards are met. Working closely with the manufacturing team, you will support efficient operations and continuous improvement efforts.
Tasks and Responsibilities:
  • Issue and dry materials for production jobs.
  • Set molds and tooling using an overhead crane.
  • Process and operate injection molding machines using scientific molding techniques.
  • Perform visual and dimensional inspections using measuring tools and inspection equipment.
  • Trim gates, remove flashing, and perform part marking as required.
  • Troubleshoot molding processes and perform minor machine maintenance.
  • Operate a forklift to move molds, materials, and finished products throughout the facility.
  • Maintain a clean and organized work area while supporting 5S initiatives.
  • Collaborate with team members to support continuous improvement efforts and production goals.

Schedule: Monday to Thursday, 5:30am to 4:00pm
Education and Experience:
  • 3+ years of plastic injection molding experience required.
  • Experience or familiarity with scientific molding processes preferred.
  • Strong understanding of plastics processing principles and techniques.
  • Ability to safely operate an overhead crane for mold changes.
  • Ability to safely operate a forklift.
  • Experience using measuring tools to inspect molded parts.
  • Strong attention to detail with the ability to multitask and problem-solve.
  • Basic reading, writing, math, and computer skills.
  • Effective communication skills and the ability to work in a team environment.
  • Ability to lift up to 55 pounds regularly throughout the workday.

The final compensation offered to the candidate may be based on geographical location, work experience and/or skill level. Additions to the compensation packing, including but not limited to paid time off, insurance benefits and 401(k) eligibility, will be outlined at the time of the job offer.
Compensation range: $32.00-40.00/hour
  • 401(k) matching
  • Dental insurance
  • Employee assistance program
  • Health insurance
  • Life insurance
  • Paid time off
  • Tuition reimbursement
  • Vision insurance

As an EEO/Affirmative Action Employer all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran or disability status.
This position requires the use of information which is subject to the International Traffic in Arms Regulations (ITAR). All applicants must be U.S. persons within the meaning of ITAR. ITAR defines a U.S. person as a U.S. Citizen, U.S. Permanent Resident (i.e. Green Card Holder), Political Asylee or Refugee.
All applicants must successfully complete a background check and drug screening as a condition of employment.
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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