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Plastic Injection Molding Jobs in Rochester, MI (NOW HIRING)

MMI Engineered Solutions

Process Engineer

Warren, MI · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The ideal candidate will have a at least eight (8) years of successful experience in plastic injection molding processing and a demonstrated knowledge of Scientific Injection Molding techniques. The ...

MMI Engineered Solutions

Process Engineer

Warren, MI · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The ideal candidate will have a at least eight (8) years of successful experience in plastic injection molding processing and a demonstrated knowledge of Scientific Injection Molding techniques. The ...

MCM Staffing LLC

Molding Tech

Rochester Hills, MI · On-site

$16/hr

Operate plastic injection molding machines and auxiliary equipment. * Perform basic machine start-up, shut-down, and monitoring functions. * Inspect molded parts for quality, defects, and consistency.

WELLMEI MOLD

Be Seen First

Market Development Manager

Troy, MI · Remote

$80K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Plastic injection molding sales, * Technical sales, or * Project management within the plastics or tooling industry. * Basic understanding of: * Injection mold manufacturing * Plastic injection ...

Urgent

Actalent

Project Engineer

Auburn Hills, MI

$33.65 - $43.27/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This role focuses on project management, design-for-manufacturability oversight, and development of comprehensive quality plans for plastic injection and blow molded components in an automotive ...

Manufacturing Company - Macomb Area

Be Seen First

Molding Production Manager

Macomb, MI · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Are you known as an expert in plastics injection molding and manufacturing? Do you enjoy working with people to resolve their issues, and develop their skills? If you have at least 7 years ...

Workbox Staffing

Mold Maker

Auburn Hills, MI

$34/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are searching for a Mold Maker experienced in plastic injection molds to help build and repair complex tooling solutions. Qualifications: * Minimum of 3 years of experience in mold making for ...

MMI Engineered Solutions

Process Technician- C shift

Warren, MI

$26 - $28/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

MMI is a plastic injection molding and engineering solutions provider headquartered in Saline, Michigan, with offices in Troy, Warren, and Monterrey, Mexico. We specialize in delivering engineering ...

Century Plastics

Tool Repair

Utica, MI · On-site

$18.75 - $20.50/hr

Tool repair is responsible for completing repairs and maintenance to plastic injection molds. Essential Functions: · Routine tool/mold maintenance such as repair and cleaning · Repair broken bolts ...

Rayconnect

Molding Process Engineer

Rochester, MI · On-site

Tryout and approve the mechanical functions of plastic injection molding tools according to Company tool standards and multiple types of material. Recommend changes to tooling, machines and ancillary ...

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All JobsPlastic Injection Molding JobsPlastic Injection Molding Jobs in Rochester, MI

Plastic Injection Molding information

See Rochester, MI salary details

$11

$16

$23

How much do plastic injection molding jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for plastic injection molding in Rochester, MI is $16.90, according to ZipRecruiter salary data. Most workers in this role earn between $14.18 and $19.04 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 Rochester, MI?

For Plastic Injection Molding jobs in Rochester, MI, the most frequently searched job titles are:

What job categories do people searching Plastic Injection Molding jobs in Rochester, MI look for?

The top searched job categories for Plastic Injection Molding jobs in Rochester, MI are:

What cities near Rochester, MI are hiring for Plastic Injection Molding jobs?

Cities near Rochester, MI with the most Plastic Injection Molding job openings:

Plastic Injection Molding jobs near you
Infographic showing various Plastic Injection Molding job openings in Rochester, MI as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, 2% Contract, and 2% Nights. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $35,151 per year, or $16.9 per hour.

Process Engineer

MMI Engineered Solutions

Warren, MI • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 28 days ago

Job description

MMI Engineered Solutions is currently seeking an Engineering professional to join our award-winning leadership team. The ideal candidate will have a at least eight (8) years of successful experience in plastic injection molding processing and a demonstrated knowledge of Scientific Injection Molding techniques. The individual in this role will be responsible for analyzing, improving, and adjusting the molding machine processes to maximize cost, quality, and throughput of molding operations, by establishing process control guidelines. Candidates must be knowledgeable in all areas of plastic processing and manufacturing to maintain consistent quality output.

MMI Engineered Solutions provides world-class engineering solutions for advanced composites and engineered resins across multiple industries. We engineer innovative ideas for today's complex design and manufacturing issues.

Key Responsibilities:

  • Lead process development and validation for all new injection molds using Scientific Injection Molding techniques.
  • Collaborate with Engineering, Quality, and Production teams to establish stable, repeatable, and capable manufacturing processes.
  • Perform start-up, shutdown, and changeovers of injection molding machinery and auxiliary equipment.
  • Conduct mold setups and pull-outs as required by production or sampling schedules.
  • Troubleshoot and optimize existing processes to maintain part quality and reduce scrap.
  • Develop and maintain standardized process documentation (e.g., process sheets).
  • Monitor process performance; identify and implement improvement opportunities.
  • Lead initiatives to improve cycle time, cavitation efficiency, scrap reduction, and processing consistency.
  • Provide training and support to Mold Setters, Operators, and Engineering staff on molding processes.
  • Recommend mold/equipment design changes and support capital equipment projects.
  • Participate in cost-reduction initiatives and corrective action teams.
  • Provide technical support for new tooling qualifications, validations, and customer trials.
  • Ensure compliance with company Safety, Quality, and Productivity

Qualifications:

  • Hold a degree in Mechanical Engineering, Industrial or Manufacturing Engineering or equivalent experience.
  • A minimum of ten (10) years of prior experience in an injection molding environment
  • Eight (8) years of successful plastic injection molding processing experience
  • Demonstrated knowledge of Scientific Injection Molding techniques
  • Knowledge of lean manufacturing tools and applications preferred
  • Ability to read measuring devices and interpret blue prints
  • Proficiency in Microsoft Office Suite a plus

Why work at MMI?

  • A rich Benefits Package including Medical, Dental, Vision, Long and Short-Term Disability (Company Paid), a robust Wellness Program, tuition reimbursement, and a 401(k) Retirement Plan with matching.
  • Vacation and Sick Time
  • Up to Ten (10) paid holidays (including one diversity holiday)
  • Opportunities for growth and job training, for energetic, career-minded individual

Join our team and play a key role in delivering operational excellence and dependable service to our customers.

MMI Engineered Solutions is an equal opportunity employer


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