Roll Grinder Machinist

Steel Dynamics, Inc; Columbus (MS); On-site; USD 45,000 - 60,000; Full time

Job summary

Steel Dynamics, Inc is looking for a skilled Roll Grinder Machinist to join our team in Columbus, Mississippi. The role involves precision grinding, maintaining, and repairing large industrial rolls used in aluminum operations.

As a Roll Grinder Machinist, you will set up and operate grinding machines, ensure quality standards, and maintain detailed records. Applicants should have 3-5 years of relevant experience and technical skills in reading blueprints and using precision tools.

Qualifications

• 3-5 years of roll grinding experience in an aluminum mill.
• Ability to read technical drawings and blueprints.
• Experience with rigging heavy components.

Responsibilities

• Operate large roll grinding machines with precision.
• Measure roll dimensions and verify surface quality.
• Document maintenance and operational data accurately.

Skills

Roll grinding experience

Precision measurement tools

Technical drawing interpretation

Basic mechanical skills

Communication skills

Education

High school diploma or GED

Tools

Micrometers

Calipers

Abrasive wheels

Job description

Aluminum Dynamics is seeking a skilled Roll Grinder Machinist to join our Roll Shop team. This role is responsible for the precision grinding, inspection, maintenance, and repair of large industrial rolls used in aluminum rolling operations. The Roll Grinder Machinist will operate specialized grinding equipment to produce high-quality rolls that meet strict dimensional tolerances and surface finish requirements.

• Set up, operate, and monitor large roll grinding machines to grind mill rolls to precise shapes, profiles, and surface finishes.
• Perform cylindrical grinding using various abrasive wheels to achieve tight tolerances and high-precision finishes.
• Grind, polish, and finish aluminum mill rolls according to engineering specifications and quality standards.
• Measure roll dimensions and surface quality using precision instruments such as micrometers, calipers, pi tapes, and other gauges.
• Verify hardness, surface finish, and geometric tolerances of rolls.
• Document inspection results and maintain detailed operational records.
• Perform machine setup, adjustments, lubrication, and basic mechanical repairs on roll grinding equipment.
• Assemble and disassemble mill rolls, chocks, and bearings as required.
• Safely operate overhead cranes, forklifts, and other material handling equipment to move heavy rolls and components.
• Enter maintenance and operational data into computerized maintenance or roll management systems.
• Maintain accurate records of roll processing, machine usage, and equipment condition.
• Support inventory tracking for tooling, abrasives, and equipment supplies.
• High school diploma or GED.
• Minimum 3-5 years of roll grinding/roll shop experience, preferably in an aluminum mill/metals rolling facility.
• Ability to read and interpret technical drawings, blueprints, procedures, and work instructions.
• Experience using precision measurement tools including micrometers, calipers, and other gauges.
• Basic mechanical skills including use of hand and power tools.
• Experience with rigging and handling heavy components using slings or lifting equipment.
• Strong written and verbal communication skills with basic computer proficiency.
• Ability to work rotating shifts in a 24/7 manufacturing environment.
• Must be legally authorized to work in the United States.

Preferred

• Familiarity with roll shop operations in hot or cold rolling mills.
• Experience with overhead cranes, fork trucks, or other mobile equipment.
• Experience with SAP or computerized maintenance/work order systems.
• Knowledge of non-destructive testing or material inspection methods.
• Experience with continuous improvement systems such as TPM or WCM.
• Knowledge of machine vibration analysis or troubleshooting.