CNC OD​/Grinder Operator

Tree Top Staffing is recruiting an experienced CNC OD/ Operator for a full-time opportunity with an established precision manufacturing organization in Rockford, Illinois.

The CNC OD/ Operator is responsible for setting up and operating CNC outside diameter (OD) and inside diameter () grinding machines to produce precision components that meet engineering specifications and quality standards in a job-shop environment.

This position requires an experienced grinder who can independently program, set up, and operate CNC OD/ equipment without relying on pre-set programs
. The role requires strong knowledge of tight-tolerance grinding, surface-finish requirements, precision inspection, and frequent job changeovers involving primarily small-quantity production runs.

• Program, set up, and operate CNC OD and  machines, including tooling, wheels, and fixtures
• Independently develop and adjust CNC programs to meet part specifications without relying on pre-set programs
• Read and interpret complex blueprints, work orders, and grinding specifications with a high level of accuracy
• Select, dress, and maintain grinding wheels as required
• Monitor machine operations and make adjustments to achieve required tolerances and surface finishes
• Perform high-level inspection of finished parts using precision measuring instruments
• Adapt quickly to frequent job changeovers typical of a job-shop, small-quantity production environment
• Perform routine machine maintenance and maintain a clean and organized work area
• Identify and report defects, process issues, or equipment concerns
• Follow all safety procedures, quality standards, and housekeeping requirements
• Work collaboratively with supervisors, engineers, and other production team members

• High school diploma or GED required
• Minimum of 5 years of CNC OD/ experience required
• Strong knowledge of CNC OD and  processes and equipment
• Proven ability to independently program CNC grinding equipment
• Proven ability to independently set up CNC OD/ machines
• High-level blueprint and technical drawing reading ability
• High-level inspection skills using precision measuring tools, including micrometers, bore gauges, and comparators
• Strong attention to detail and ability to consistently hold tight tolerances
• Comfortable working in a job-shop environment with varying, small-batch orders
• Basic mechanical aptitude and troubleshooting skills
• Ability to work independently and as part of a team
• Effective time-management and problem-solving skills
• Must be able to read and understand English

• Job-shop experience involving small-quantity orders
• Experience grinding spindles, shafts, and housings