Core Room Technician 1st Shift

Le Sueur•Le Sueur, MN

23h•Onsite

About The Position

The Core Room Technician / Core Maker & Setup Technician is responsible for producing, assembling, and maintaining high-quality sand cores used in the metal casting process. This position involves operating and maintaining core-making equipment, assembling cores according to specifications, performing quality inspections, and ensuring minimal machine downtime. The role supports core production from setup through final delivery to the molding department.

Requirements

High School Diploma or GED
Effective computer usage
Manual dexterity in order to use file on cores
Consistently able to: Manually lift and move product and materials up to 50 lbs. through regular physical exertion, including but not limited to reach forward, reach overhead, lift, carry, crouch, and bend
Power grip and wrist turn, including the use of hand tools and/or steering fork truck
Walk, sit, or stand for up to 12 hours with intermittent breaks
Push/pull up to 100 lbs.
See, inspect, handle and evaluate product quality
Read and understand written English language work instructions
Work in non-climate controlled environments, including hot and humid conditions
Climb ladders and stairs of varying heights
Wear task-based Personal Protective Equipment (PPE) provided by LSI
Protective Footwear
Hearing Protection
Protective Eyewear
Gloves
Additional PPE may as required by specific tasks

Nice To Haves

mechanical aptitude helpful

Responsibilities

Operate core-making machines and hand tools to produce cores per job specifications and quality standards.
Read and interpret work instructions and shop packets to ensure accurate core production.
Assemble cores and core boxes using glue, clamps, wire, bolts, rams, or machines.
Clean parting lines, raised vent areas, and remove flash from cores.
Cut or drill spouts and pouring holes; size hardened cores as needed.
Apply core wash and rack completed cores for storage or delivery.
Inspect finished cores for cracks, defects, and dimensional accuracy; perform repairs or reject as needed.
Use mud compound to perform core repairs.
Calibrate machines for correct sand and additive mix ratios.
Clean vents and inspect machines before operation to ensure safety and functionality.
Retrieve, move, and mount core boxes into machines using hoists and tools.
Set machine controls according to work instructions.
Perform startup checks and operate machines to verify proper functioning.
Clean, lubricate, and maintain core machines per manufacturer's schedule.
Perform basic troubleshooting and minor repairs; replace parts as needed to prevent downtime.
Monitor oil and grease levels to ensure proper machine lubrication.
Complete accurate production records, including core counts, SPC charts, scrap reports, and shift documentation.
Track assembly and machine performance metrics to support continuous improvement efforts.