Core Tooling Technician: Setup, Repair & Precision Maintenance

lesueurinc; Le Sueur (MN); On-site; USD 48,000 - 76,000; Full time

Job summary

Lesueur Inc. in Minnesota seeks a Core Room Tool Maintenance Technician responsible for setup, maintenance, repair, and modification of tooling used to produce sand cores for metal castings.

You will prepare core boxes, install and adjust tooling, inspect for wear, perform routine maintenance, troubleshoot issues, and report tooling damage or replacement needs. Collaborating with core makers, maintenance, engineering and quality teams, you will ensure tooling meets production and quality

Qualifications

• Experience with foundry core tooling or mold tooling preferred.
• Mechanical or tooling background with technical training.
• Ability to read blueprints and technical drawings.
• Experience using calipers, micrometers, gauges, and other measuring tools.
• Good mechanical troubleshooting and problem-solving skills.
• Ability to work in a hot, noisy manufacturing environment.

Responsibilities

• Prepares core boxes and core-making tooling for production.
• Install, remove, and adjust tooling, inserts, vents, pins, and related components.
• Inspect tooling for wear, damage, buildup, and dimensional issues.
• Perform routine maintenance and repairs on core tooling.
• Troubleshoot core-box and tooling problems that affect core quality.
• Make minor tooling adjustments, modifications, and repairs.
• Use hand tools, power tools, measuring instruments, and shop equipment.
• Read and interpret engineering drawings, tooling prints, and work instructions.
• Verify tooling dimensions and fit using precision measuring equipment.
• Clean and maintain core boxes after production runs.
• Work with core makers, maintenance, engineering, and quality personnel to resolve production issues.
• Maintain tooling records and report tooling damage or replacement needs.
• Follow foundry safety procedures and maintain a clean, organized work area.

Skills

Foundry core tooling

Reading blueprints

Calipers

Micrometers

Troubleshooting

Tooling maintenance

Mechanical aptitude

Education

Technical training

Tools

Calipers

Micrometers

Gauges

Job description

Lesueur Inc. in Minnesota seeks a Core Room Tool Maintenance Technician responsible for setup, maintenance, repair, and modification of tooling used to produce sand cores for metal castings.

You will prepare core boxes, install and adjust tooling, inspect for wear, perform routine maintenance, troubleshoot issues, and report tooling damage or replacement needs. Collaborating with core makers, maintenance, engineering and quality teams, you will ensure tooling meets production and quality