Precision CNC Grinder Operator — Flexible Hours & Growth

Southern Illinois Crankshaft, Inc.; Northern (KY); Hybrid; USD 52,000 - 68,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

401(k) match

Paid time off

Paid holidays

Life insurance

Disability insurance

Overtime opportunities

Training and advancement

Job summary

Southern Illinois Crankshaft, Inc. is seeking a skilled CNC Cylindrical Grinder Operator to set up, operate, and monitor CNC grinding equipment.

You will produce precision components that meet print specifications, tight tolerances, and surface finish requirements in a modern manufacturing environment. The role emphasizes attention to detail, safe operations, and continuous improvement as part of a high-performing machining team.

Qualifications

• High school diploma or equivalent; technical machining training is a plus.
• Experience operating CNC grinding equipment, preferably cylindrical grinders.
• Ability to hold close tolerances and verify work with precision tools.
• Strong shop math, blueprint reading, and geometric tolerancing concepts.
• Mechanical aptitude with ability to troubleshoot basic machine or tooling issues.

Responsibilities

• Set up and operate CNC cylindrical grinding machines per work instructions and drawings.
• Read engineering drawings and tolerance requirements accurately.
• Select, mount, dress, and monitor grinding wheels and tooling.
• Perform in-process and final inspections using micrometers, calipers, and gauges.
• Adjust offsets, feeds, speeds, and machine settings to maintain dimensional accuracy.
• Troubleshoot machine or process issues and report to supervision or maintenance.

Skills

CNC grinding

Blueprint reading

Precision measurement

Quality control

Safety awareness

Education

High School Diploma

Tools

Micrometers

Calipers

Bore gauges

Dial indicators

Job description

Southern Illinois Crankshaft, Inc. is seeking a skilled CNC Cylindrical Grinder Operator to set up, operate, and monitor CNC grinding equipment.

You will produce precision components that meet print specifications, tight tolerances, and surface finish requirements in a modern manufacturing environment. The role emphasizes attention to detail, safe operations, and continuous improvement as part of a high-performing machining team.