Plastic Injection Mold Repair Technician/Mold Maker

J&O Plastics Inc.; Rittman (OH); On-site; USD 42,000 - 62,000; Full time

Job summary

J&O Plastics Inc. in Ohio is seeking a hands-on Plastic Injection Mold Repair Technician/Mold Maker.

The role focuses on repair and maintenance of plastic injection molds, with emphasis on grinding, polishing, and precision fitting under the Tooling Manager. Requirements include a high school diploma and at least three years of mold tooling experience, plus strong mechanical aptitude and the ability to document repair activities while maintaining safety and quality.

Qualifications

• High school diploma or equivalent.
• Three years of mold tooling experience.
• Strong mechanical aptitude.
• Ability to document repair activities.

Responsibilities

• Polish molds to a high-grade surface finish.
• Mold assembly and parts fitting.
• Troubleshoot and repair hot runner systems.
• General machine work: Lathe and surface grinder.
• Welding as needed (TIG/MIG/laser).
• General maintenance and repairs of plastic injection molds.

Skills

Strong mechanical aptitude

Hand tool proficiency

Documentation of repair activities

Education

High school diploma or equivalent

Tools

Lathe

Surface grinder

Tig welding

Mig welding

Laser welding

Job description

Plastic Injection Mold Repair Technician/Mold Maker

J &O Plastics, a leading manufacturer of quality custom injection molding is a dynamic growing manufacturing company committed to operational excellence.

With a strong focus on innovation, efficiency, and quality products, Our team shows up every day to serve our customers and vendors with focus, ingenuity, and a commitment to quality. Each and every one of our employees is an integral part of our operations, and part of what makes J&O Plastics leaders in precision injection molding. We strive to create an inclusive environment that celebrates our different lived experiences, with the hope of fostering a community atmosphere.

This role is hands-on and responsible for the repair and maintenance of plastic injection molds. The successful candidate should have at least three years of hands on experience and a strong mechanical aptitude. Reporting to the Tooling Manager they will perform grinding, polishing, and precision fitting of die components, and complete mold repairs to restore optimal performance. The technician must accurately document mold repair activities and procedures, while maintaining a strong focus on safety, quality, and continuous improvement.

JOB RESPONSIBILITIES

• Polishing molds up to a A2 (Grade A) finish


• Plastic injection mold assembly


• Troubleshoot and repair hot runner systems


• General machine work:


• Lathe


• Surface grinder


• Welding helpful but not necessary:


• Tig


• Mig


• Laser


• General maintenance and repairs of plastic injection molds

JOB REQUIREMENTS:

• High school diploma or equivalent.


• Three years of mold tooling experience; (willing to train if candidates present strong mechanical background)


• Ability to use hand tools to adjust equipment.

WORK ENVIRONMENT:

• Humidity level may be elevated during summer months.


• Work closely with maintenance, production, and plantmanager.