CNC Machinist - Vertical Mill
Listed on 2026-08-06
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Manufacturing / Production
Machine Operator, CNC Machinist, Manufacturing & Industrial Operations
Experienced Vertical Mill CNC Machinist
Location:
Caterpillar, South Milwaukee, WI
Shifts Available: 2nd & 3rd Shift
Sign-On & Retention Bonus: $2,000
Hourly Pay:
- Step 1: $28.27
- Step 2: $29.44
- Step 3: $30.62
- +$1.00/hr Shift Premium for 2nd or 3rd Shift
About Caterpillar South Milwaukee
Caterpillar is hiring a Vertical Mill CNC Machinist to support our manufacturing operations in South Milwaukee, WI.
At our South Milwaukee facility, you'll be part of a team that builds some of the largest and most powerful mining machines in the world. This facility specializes in the production of Cat® Electric Rope Shovels (ERS) used in mining operations around the world.
Job Description:
- Set up and operate CNC controlled vertical milling center to produce high quality production components in a safe and efficient manner.
- Use of related equipment including metal cutting tools and inserts, fixtures and clamping equipment, various hand tools, and precision measuring instruments and gages.
- Jib and overhead cranes used for material handling.
- Operate large CNC controlled vertical bridge mill.
- Identify work piece and assist in loading of part on to machine.
- Set up and align part using work holding equipment such as fixtures, vices, blocks, shims, parallels, chucks, clamps, etc.
- Assemble proper cutting tools for operation using tool holder, chucks, collets, drills, taps, reamers, mills, and boring tools, etc.
- Load CNC program and perform a trial run to check program accuracy when needed.
- Use process instructions and G & M code program to operate CNC machine.
- Perform very close tolerance machining operations such as milling, facing, boring, counter boring, drilling, tapping, probing, etc. on large structural components.
- Adjust or select machine parameters such as feed rate, speed, and offset values where required.
- Make appropriate program changes and edits where required. May on occasion need to operate machine manually, without program.
- Perform in process inspection of machined parts as required to maintain quality requirements.
- Assist in unloading and remove processed parts from machine.
- Clean up work piece removing burrs, chips, coolant, etc.
- Keep facilities, material, and work area clean and orderly.
- Conform to safety and inspection requirements and perform all the above operations in a safe and efficient manner.
Qualifications:
- One to three years of actual, hands on, CNC machining experience; demonstrate good skill and ability on the machines operated.
- Read and interpret part drawings and blueprints.
- Ability to use quality inspection gaging, indicating, and measuring techniques including verniers, calipers, and micrometers.
- Know basic machine shop math, including high school trigonometry.
- Know basic machine shop practices.
- Demonstrate basic knowledge of machining terminology and procedures.
- Demonstrate a safe work history.
Top Candidates will have:
- CNC milling of alloy steel and other metals experience preferred.
- Familiarity with Fanuc machine controls and operator machine interface.
Additional Information:
- This position is located at the Caterpillar manufacturing facility located in South Milwaukee, Wisconsin
- Full Time position
- No relocation assistance is available.
Summary Pay Range: $28.27 - $35.33
Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.
Benefits:
- Medical, dental, and vision benefits*
- Paid time off plan (Vacation, Holidays, Volunteer, etc.)*
- 401(k) savings plans*
- Health Savings Account (HSA)*
- Flexible Spending Accounts (FSAs)*
- Health Lifestyle Programs*
- Employee Assistance Program*
- Voluntary Benefits and Employee Discounts*
- Career Development*
- Incentive bonus*
- Disability benefits
- Life Insurance
- Parental leave
- Adoption benefits
- Tuition Reimbursement
* These benefits also apply to part-time employees
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