Mold Maker – Plastic Injection Molding

Mold Maker Plastic Injection Molding Job Overview

We are seeking a skilled and experienced Mold Maker to support precision plastic injection molding operations. The ideal candidate will have extensive hands-on experience in mold building, CNC machining, tool assembly, and precision fitting.

In this role, you will be responsible for planning, fabricating, assembling, and finishing high-quality injection molds that meet customer specifications, quality standards, production schedules, and established cost targets.

The successful candidate will work closely with tooling engineers, machinists, and manufacturing teams to ensure molds and fixtures are manufactured efficiently and accurately.

Key Responsibilities Mold Building & Tool Manufacturing

• Plan, organize, and execute the construction of precision injection molds and fixtures.

• Fabricate, assemble, finish-fit, and verify mold components to meet engineering specifications.

• Inspect mold shut-off areas and critical dimensions to ensure proper fit and functionality.

• Complete mold-building projects within established production timelines and quoted labor hours.

• Review mold designs for manufacturability and identify opportunities for process improvement.

• Coordinate the procurement of standard mold components, tooling materials, and required supplies.

CNC Machining & Tooling Operations

• Set up and operate CNC milling machines, surface grinders, and Electrical Discharge Machining (EDM) equipment.

• Utilize CAD/CAM data to plan machining operations, optimize sequences, and manufacture precision mold components.

• Apply Mastercam and 3D CAM software to support mold-building and machining activities.

• Perform precision finishing, fitting, and assembly of mold shut-off surfaces.

• Collaborate with tooling engineers to resolve technical challenges and maintain dimensional accuracy.

Quality Control & Continuous Improvement

• Inspect and document critical mold dimensions according to ISO quality standards.

• Maintain accurate manufacturing records, tooling documentation, and inspection reports.

• Apply Six Sigma methodologies when appropriate to identify and eliminate manufacturing inefficiencies.

• Support continuous improvement initiatives focused on quality, cost reduction, and operational efficiency.

• Monitor and maintain assigned processes, procedures, and Key Performance Indicators (KPIs).

Team Collaboration & Training

• Work independently and collaboratively with manufacturing and engineering teams.

• Provide guidance and hands-on training to mold-making apprentices.

• Maintain organized records and documentation throughout mold-building projects.

• Complete required training and maintain compliance with company procedures.

• Support additional manufacturing and tooling activities as assigned.

Required Qualifications

• Minimum of 4 years of hands-on mold-building experience, preferably in plastic injection molding.

• Strong knowledge of precision mold construction, assembly, fitting, and finishing.

• Ability to read, interpret, and comprehend engineering blueprints, tooling drawings, and technical specifications.

• Proficiency with Mastercam software and experience using 3D CAM systems.

• Experience operating CNC mills, surface grinders, and EDM equipment.

• Strong mathematical, organizational, and problem-solving skills.

• General computer proficiency, including Microsoft Windows.

• Excellent verbal and written communication skills.

• Ability to work independently and as part of a team.

• Ability to lift up to 75 pounds, with or without reasonable accommodation.

Preferred Skills & Experience

• Experience building complex or high-precision plastic injection molds.

• Familiarity with ISO quality standards and inspection documentation.

• Understanding of mold shut-off surfaces, critical tolerances, and precision fitting.

• Experience mentoring or training tooling apprentices.

• Knowledge of Six Sigma or continuous improvement methodologies.

• Ability to manage multiple tooling projects while maintaining production deadlines.

Work Environment & Physical Requirements

• Work is primarily performed in an industrial manufacturing environment with CNC equipment, machining tools, and other production machinery.

• Required personal protective equipment may include safety glasses, hearing protection, steel-toe footwear, and other designated safety equipment.

• Ability to stand, sit, walk, bend, reach, and lift as required throughout the workday.

• Ability to work safely in confined spaces when necessary.

• Must follow proper lifting techniques and established workplace safety procedures.

• Ability to perform essential job functions with or without reasonable accommodation.

Safety & Compliance

• Follow established workplace safety policies and manufacturing procedures.

• Maintain a safe, clean, and organized work environment.

• Comply with applicable hazardous waste handling and disposal requirements.

• Complete all required safety and job-specific training.

Export Control Requirements

To comply with applicable U.S. export control regulations, candidates must be eligible to obtain any required U.S. government authorizations.

Compensation

Hourly Pay: $35.00 $45.00, depending on experience, technical skills, and qualifications.

Equal Employment Opportunity

We are an Equal Opportunity Employer committed to providing fair employment opportunities to all qualified applicants without discrimination based on race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by applicable law.

Reasonable accommodations may be provided to qualified individuals with disabilities in accordance with applicable law.

Job Type: Full-Time
Compensation: $35.00 $45.00 per hour (Depending on Experience)
Industry: Manufacturing / Plastic Injection Molding
Experience Required: Minimum 4 Years

Apply Today

If you are an experienced Mold Maker with expertise in plastic injection molding, precision tooling, CNC machining, and mold assembly, we encourage you to apply.

Join a manufacturing environment where your technical expertise, craftsmanship, and commitment to quality will contribute to the production of high-precision tooling solutions.