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Master Molder Jobs (NOW HIRING)

Thermoflex Corporation

Master Mold Maker

Waukegan, IL · On-site

$100K - $120K/yr

Master Mold Maker Reports To : Tooling Manager Department : Engineering Direct Reports (if applicable): N/A Summary The Master Mold Maker is responsible for safely and efficiently building new tools ...

Thermoflex Corporation

Master Mold Maker

Waukegan, IL · On-site

Master Mold Maker Reports To: Tooling Manager Department: Engineering Direct Reports (if applicable): N/A Summary The Master Mold Maker is responsible for safely and efficiently building new tools as ...

Canon Virginia, Inc.

Sr Engineer

Newport News, VA

$96K - $121K/yr

... Master Molder I certified or equivalent. - RJG Master Molder II or equivalent preferred. - Able to guide less experienced engineers to perform IQ, OQ, and PQ validation process. - Proficient in ...

Canon Virginia, Inc.

Sr Engineer

Newport News, VA · On-site

$96K - $121K/yr

... Master Molder I certified or equivalent. - RJG Master Molder II or equivalent preferred. - Able to guide less experienced engineers to perform IQ, OQ, and PQ validation process. - Proficient in ...

Canon Virginia, Inc.

Sr Engineer

Newport News, VA

$96K - $121K/yr

... Master Molder I certified or equivalent. - RJG Master Molder II or equivalent preferred. - Able to guide less experienced engineers to perform IQ, OQ, and PQ validation process. - Proficient in ...

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Master Molder information

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How much do master molder jobs pay per hour?

As of Sep 13, 2026, the average hourly pay for master molder in the United States is $16.53, according to ZipRecruiter salary data. Most workers in this role earn between $14.42 and $17.79 per hour, depending on experience, location, and employer.

What is a master molder?

Master Molders are highly skilled professionals who specialize in the process of injection molding, particularly in the plastics manufacturing industry. They are certified to manage and optimize molding processes, troubleshoot issues, and ensure high-quality production. Master Molders play a crucial role in setting up, operating, and maintaining molding machines, as well as training other technicians. Their expertise helps manufacturers improve efficiency, reduce waste, and maintain strict quality standards.

What are the key skills and qualifications needed to thrive as a master molder?

To thrive as a Master Molder, you typically need advanced knowledge of injection molding processes, problem-solving abilities, and certification such as Master Molder I or II from recognized organizations. Proficiency in using molding machines, process monitoring software, and quality control systems is essential. Attention to detail, strong communication, and a commitment to continuous improvement are soft skills that set top performers apart. These skills and qualifications ensure optimal production efficiency, minimized defects, and consistent quality in manufacturing environments.

What are some typical challenges master molders face when troubleshooting injection molding processes?

Master Molders often encounter challenges such as inconsistent part quality, machine malfunctions, or material variations. Troubleshooting requires a deep understanding of mold design, machine parameters, and the properties of different plastics. Effective communication with engineers, maintenance staff, and quality control teams is essential to quickly identify root causes and implement solutions. Staying up-to-date with the latest molding technologies and techniques also helps Master Molders resolve issues efficiently and maintain high production standards.

What is the difference between Master Molder vs Molder?

AspectMaster MolderMolder
CredentialsTypically requires advanced training or certification in molding techniquesRequires basic training or apprenticeship in molding
Work EnvironmentIndustrial manufacturing facilities, often overseeing complex projectsManufacturing plants, operating molding machines
Job ResponsibilitiesSupervising molding processes, quality control, training staffOperating molding equipment, setting up molds, producing parts

The main difference between a Master Molder and a Molder lies in experience, responsibilities, and skill level. Master Molders typically have advanced training and oversee complex molding operations, while Molders focus on operating equipment and producing parts. Both roles are essential in manufacturing, but the Master Molder holds a higher level of expertise and supervisory duties.

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Master Molder jobs near you
Infographic showing various Master Molder job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 87% Full Time, 9% Part Time, and 2% Contract. Highlights an 73% Physical, 2% Hybrid, and 25% Remote job distribution, with an average salary of $34,387 per year, or $16.5 per hour.

Master Mold Maker

Waukegan, IL • On-site

Thermoflex Corporation
See more jobs at Thermoflex Corporationexternal

$100K - $120K/yr

Full-time

Posted 10 days ago

Job description

Position Title: Master Mold Maker                                           Reports To: Tooling Manager

Department: Engineering                                                         Direct Reports (if applicable): N/A

Summary

The Master Mold Maker is responsible for safely and efficiently building new tools as well as performing varying levels of preventative maintenance and mold repairs on injection molds. This role is critical in supporting production by ensuring the highest possible reliability and uptime.

Essential Duties & Responsibilities

  • Observe all safety rules/regulations and perform duties in a safe and efficient manner
  • Disassemble, maintain, reassemble and clean molding tools per maintenance cycle.
  • Ability to use tools for hand work and polishing of molding surfaces as needed.
  • Build and assemble new molds from start to finish.
  • Diagnose problems and determine corrective actions on injection molds.
  • Work closely with design and CNC machining teams to resolve issues and/or make improvements.
  • Assist with CNC machining as needed
  • Perform work by following all safety and quality standards.
  • Maintain clean and organized work and storage areas
  • Reliable attendance
  • Lead and continue training of tool technicians
  • Other duties as assigned in Management’s sole discretion

Skills, Knowledge, & Abilities

  • Journeyman Toolmaker or equivalent experience in the trade
  • Strong knowledge of injection molding and manufacturing operations. Insert/overmolding is a plus
  • Knowledge of hot runner system repair a plus
  • Ability to perform multiple functions including manual lathes, mills, grinders, welding, etc.
  • Excellent troubleshooting and diagnostic skills. Ability to define problems and resolve quickly.
  • Strong mechanical aptitude and working knowledge of electrical and mechanical systems.
  • Understanding of tool steels, aluminum, copper alloys as well as industry standard coatings and treatments
  • Capable of working from blueprints and/or CAD models to construct, alter, or repair tooling
  • Able to manage multiple jobs at different stages.
  • Excellent communication skills, both written and verbal. Bilingual (English/Spanish) a plus
  • Must have or obtain forklift certification

Working Conditions & Physical Requirements

  • Must be able to work overtime when required by management
  • Must have flexible working schedule to support molding operations
  • Repetitive bending/reaching
  • Standing for sustained periods to time
  • Must be able to lift to 45 pounds