Large Part CNC Horizontal Milling Machinist
Listed on 2026-08-22
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Manufacturing / Production
CNC Machinist, Machine Operator
CNC Machinist
- Large Part Horizontal Mill
Location: Rockford, IL
Employment Type: Full-Time
Compensation: $32.00-$40.00 per hour
Tree Top Staffing is recruiting an experienced CNC Machinist
- Large Part Horizontal Mill for a well-established precision manufacturing organization in Rockford, Illinois.
This is a senior-level machining opportunity for an experienced professional who can independently set up and operate large CNC horizontal boring and milling machines while producing large, close-tolerance components from provided programs, drawings, and specifications.
The ideal candidate will bring extensive large-part machining experience, advanced setup capabilities, a strong understanding of tooling, work holding and gaging, and the ability to identify machining risks before they affect part quality. This position is best suited for a machinist who can work independently, troubleshoot effectively, and consistently produce high-quality work with minimal supervision.
Responsibilities- Independently perform complete setups and operate large CNC horizontal boring and milling machines
- Use provided programs to produce close-tolerance components accurately and efficiently
- Select and properly apply tooling, work holding, and machining methods appropriate for each job
- Understand machining processes and recognize potential risk areas before and during machining
- Monitor machining operations and make appropriate adjustments to maintain part quality and dimensional requirements
- Perform in-process inspections and verify dimensions using appropriate gaging and precision measuring equipment
- Apply knowledge of Fanuc G-code programming when reviewing or adjusting machining programs
- Troubleshoot machining, tooling, setup, and process-related issuesTroubleshoot
- High school diploma or GED required
- Minimum of 10 years of large-part machining experience required
- Extensive experience independently setting up and operating CNC horizontal boring and milling equipment required
- Advanced large-part CNC machining and setup skills
- Strong understanding of machining processes, tooling, work holding, and gaging
- Sound understanding of Fanuc G-code programming
- Ability to recognize machining risks and proactively prevent part-quality issues
- Ability to produce close-tolerance work accurately and efficiently
- Strong math and problem-solving skills
- Strong mechanical aptitude and troubleshooting ability
- Ability to work independently while contributing effectively within a team
- Strong attention to quality, safety, and detail
- Must be able to read and understand English
Experience with similar large horizontal boring and milling equipment is highly relevant.
Equipment at the facility includes:
- Ikegai NB 110T CNC HBM
- Ikegai NB 130P CNC HBM
- Niigata HN80D
- Niigata HN100D
- Toyoda FX 800
- Ability to stand and work for extended periods
- Frequent walking, bending, reaching, and movement around large machining equipment
- Manual dexterity required for machine setup, tooling, and precision measurement
- Ability to safely handle tooling, fixtures, materials, and components associated with machining operations
- Ability to perform physical activities associated with large-part machine setup and operation
- Exposure to moving equipment and machine parts
- High noise levels from operating machinery
- Exposure to fumes, dust, and mist
- Skin exposure to oils and cutting fluids
Our client offers a comprehensive benefits package that includes:
- Medical, prescription, dental, and vision insurance
- Company-paid life insurance
- Disability insurance
- Flexible Spending Account
- Educational reimbursement program
- 401(k) retirement plan with company match
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