Core Prep Technician: Aerospace & Ceramic Cores

Precision Castparts; Portland (OR); On-site; USD 36,000 - 48,000; Full time

Job summary

Precision Castparts is seeking a core prep and repair operator to prepare complex soluble and ceramic cores for the wax molding process. You will clean, restore, inspect, and modify cores using hand tools and wax materials, and assist with leach tank operations to support production.

Responsibilities include applying technique cards, ensuring dimensional accuracy, recording work, and providing guidance to less experienced colleagues while maintaining safety and quality standards.

Qualifications

• Experience in aerospace, automotive, or plastics industries (1+ year preferred).
• Ability to read and interpret technique cards and code sheets.
• Basic math calculations (addition/subtraction).
• Experience with measuring devices and fixtures (6 months to 1 year).
• Strong verbal and written communication.
• Ability to work independently with limited supervision.
• Must meet safety requirements and training.

Responsibilities

• Clean and restore complex soluble and ceramic cores per technique cards.
• Repair and modify cores using hand tools and wax materials.
• Inspect and rework to meet surface tolerance and dimensional specs.
• Support leach tank operations including sealing and preparing patterns.
• Record and document work performed.
• Provide training/direction to less experienced personnel as assigned.

Skills

Reading instructions

Math calculations

Communication

Independent work

Safety awareness

Tools

Measuring devices

Job description

Precision Castparts is seeking a core prep and repair operator to prepare complex soluble and ceramic cores for the wax molding process. You will clean, restore, inspect, and modify cores using hand tools and wax materials, and assist with leach tank operations to support production.

Responsibilities include applying technique cards, ensuring dimensional accuracy, recording work, and providing guidance to less experienced colleagues while maintaining safety and quality standards.