Plastic Injection Mold Repair Technician/Mold Maker

J&O Plastics; Rittman (OH); On-site; USD 42,000 - 56,000; Full time

Job summary

J&O Plastics in Ohio seeks a hands-on Mold Repair Technician to maintain and repair plastic injection molds. You will polish molds, refit lines, assemble molds, and troubleshoot hot runners while documenting procedures.

Strong mechanical aptitude and at least three years of mold tooling experience are required. The role involves open-air tooling in a humid environment and close collaboration with maintenance, production, and plant management.

Qualifications

• High school diploma or equivalent.
• Three years of mold tooling experience; willingness to train for strong mechanical background.
• Ability to use hand tools to adjust equipment.

Responsibilities

• Polish molds to a Grade A finish.
• Refit parting lines on molds.
• Assemble plastic injection molds.
• Troubleshoot and repair hot runner systems.
• Operate general machine tools: Bridgeport, Lathe, Surface grinder.
• Welding helpful but not required: Tig, Mig, Laser.
• Maintain and repair plastic injection molds.

Skills

Mold tooling

Mechanical aptitude

Hand tools

Education

High school diploma

Tools

Bridgeport

Lathe

Surface grinder

Tig

Mig

Laser

Job description

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
• Refitting parting lines
• Plastic injection mold assembly
• Troubleshoot and repair hot runner systems
• General machine work:
  • Bridgeport
  • 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:

• Open air tooling department
• Humidity level may be elevated during summer months.
• Work closely with maintenance, production, and plantmanager.
• Exposure to loud noise levels, at times