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Plastic Injection Molding Jobs in Boston, MA (NOW HIRING)

Plastic Molding Mfg, Inc.

Plastics Engineer

Hudson, MA · On-site

$110K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Type Full-time Description Drive Innovation at a Leader in Custom Injection Molding Since 1968, Plastic Molding Manufacturing (PMM) has been a privately held, owner-operated leader in the custom ...

Plastic Molding Manufacturing

Purchasing Manager

Hudson, MA · On-site

$75K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Purchasing Manager (Plastic Injection Molding) * Location: Hudson, MA (on-site) * Schedule: Monday to Friday * Compensation: $75,000 - $85,000 (Dependent on Experience) * Employment Type: Full-Time ...

Plastic Molding Mfg, Inc.

Purchasing Manager

Hudson, MA · On-site

$75K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Purchasing Manager (Plastic Injection Molding) * Location: Hudson, MA (on-site) * Schedule: Monday to Friday * Compensation: $75,000 - $85,000 (Dependent on Experience) * Employment Type: Full-Time ...

Plastic Molding Manufacturing

Maintenance Technician

Hudson, MA · On-site

$30 - $36/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Position: Maintenance Technician (Plastic Injection Molding) * Location: Hudson, MA (On-Site) * Schedule: Monday to Friday 7am to 3:30pm * Compensation: $30 - $36/hr (Dependent on Experience)

Plastic Molding Mfg, Inc.

Technical Sales Engineer

Hudson, MA · On-site

$75K - $80K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Technical Sales Engineer (Plastic Injection Molding) * Location: Hudson, MA (on-site) * Schedule: Monday to Friday 8am-5pm * Compensation: $75K - $80K +Commission (Dependent on Experience)

Plastic Molding Mfg, Inc.

Tool Maker

Hudson, MA · On-site

$34 - $38/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Tool / Mold Maker (Plastic Injection Molding) Location: Hudson, MA (on-site) Schedule: Monday to Friday 7:00am to 3:30pm Compensation: $34 - $38/hour Employment Type: Full-Time, Direct Hire Position ...

Plastic Molding Mfg, Inc.

Maintenance Technician

Hudson, MA · On-site

$34 - $38/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Position: Maintenance Technician (Plastic Injection Molding) * Location: Hudson, MA (On-Site) * Schedule: Monday to Friday 7am to 3:30pm * Compensation: $34 - $38/hr (Dependent on Experience)

Plastic Molding Manufacturing

Quality Engineer

Hudson, MA · On-site

$80K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Build Your Future with an Industry Leader in Custom Injection Molding Plastic Molding Manufacturing (PMM) isn't just another molder--we are a long-established leader in the custom injection molding ...

Plastic Molding Manufacturing

Manufacturing Manager

Hudson, MA · On-site

$85K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Since 1968, Plastic Molding Manufacturing (PMM) has been a privately held, owner-operated leader in the custom injection molding industry--trusted by customers who demand precision, consistency, and ...

Plastic Molding Mfg, Inc.

Pricing Engineer

Hudson, MA · On-site

$80K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proven experience pricing/quoting custom plastic injection molding jobs * Strong knowledge of thermoplastics, mold design, mold build, injection molding processes, and manufacturing automation

W3Global Inc.

Maintenance Technician

Hudson, MA · On-site

$30 - $35/hr

This role is responsible for performing maintenance and repair on all plastic injection molding machinery and equipment including robots, chillers, thermolators and hot running systems. Essential ...

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All JobsPlastic Injection Molding JobsPlastic Injection Molding Jobs in Boston, MA

Plastic Injection Molding information

See Boston, MA salary details

$13

$19

$27

How much do plastic injection molding jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for plastic injection molding in Boston, MA is $19.95, according to ZipRecruiter salary data. Most workers in this role earn between $16.73 and $22.45 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 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 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 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 Boston, MA?

For Plastic Injection Molding jobs in Boston, MA, the most frequently searched job titles are:

What job categories do people searching Plastic Injection Molding jobs in Boston, MA look for?

The top searched job categories for Plastic Injection Molding jobs in Boston, MA are:

What cities near Boston, MA are hiring for Plastic Injection Molding jobs?

Cities near Boston, MA with the most Plastic Injection Molding job openings:

Plastic Injection Molding jobs near you
Infographic showing various Plastic Injection Molding job openings in Boston, MA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 11% Part Time, 3% Contract, and 2% Nights. Highlights an 96% Physical, 2% Hybrid, and 2% Remote job distribution, with an average salary of $41,488 per year, or $19.9 per hour.

Plastics Engineer (Injection Molding)

Corporate Solutions Tech

Hudson, MA • On-site

Full-time

Re-posted 19 days ago

Job description

Job Summary

Our client is seeking an experienced Plastics Engineer (Injection Molding) to support manufacturing operations by developing, optimizing, and troubleshooting injection molding processes. This role plays a critical part in ensuring consistent product quality, improving efficiency, and supporting new product development.

The ideal candidate will bring deep technical expertise in plastics injection molding, tooling, and process optimization, while collaborating with cross-functional teams to drive continuous improvement and production excellence.

Key Responsibilities

  • Develop, optimize, and troubleshoot injection molding processes to improve efficiency and product quality
  • Manage key custom customer projects and serve as the primary technical point of contact
  • Read and interpret blueprints and 3D CAD files
  • Utilize SolidWorks and other CAD tools to support design and manufacturing processes
  • Review and approve tooling designs and engineering changes
  • Collaborate with manufacturing teams to ensure proper production setup and tooling performance
  • Work with external vendors for mold repairs and tooling support
  • Support new product launches, including tooling validation and process setup
  • Identify and implement process improvements to:
    • Reduce scrap
    • Improve cycle times
    • Enhance overall production performance
  • Provide technical guidance on materials, equipment, and molding techniques

Qualifications

Education:

  • Bachelor’s degree (or higher) in Engineering
  • Plastics Engineering or related field preferred

Experience:

  • Minimum 10 years of experience in plastics injection molding
  • Strong experience with tooling, materials, and molding processes
  • Experience supporting manufacturing operations and process improvement initiatives

Technical Skills & Knowledge

  • Proficiency with:
    • SolidWorks
    • AutoCAD
    • IQMS (or similar ERP/manufacturing systems)
  • Strong knowledge of:
    • Mold design and mold building
    • Raw materials and resin behavior
    • Injection molding equipment and techniques
  • Ability to analyze production data and implement process improvements
  • Strong troubleshooting and root cause analysis capabilities

General Knowledge, Skills, and Abilities

The successful candidate will demonstrate strength in the following areas:

  • Initiative: Takes ownership of projects and drives results independently
  • Communication: Effectively communicates technical information across teams
  • Customer Focus: Acts as a key liaison for customer-driven projects
  • Decision Making: Uses data and experience to make informed engineering decisions
  • Flexibility: Adapts to changing production demands and priorities
  • Interpersonal Skills: Works collaboratively with engineering, production, and vendors
  • Leadership: Provides technical guidance and mentorship when needed
  • Problem Solving: Identifies issues and implements effective solutions
  • Team Building: Contributes to a collaborative and high-performing environment
  • Quality Assurance: Ensures products meet strict quality and performance standards