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CNC Machinist - Vertical Mill

Job in South Milwaukee, Milwaukee County, Wisconsin, 53172, USA
Listing for: Caterpillar
Part Time position
Listed on 2026-08-06
Job specializations:
  • Manufacturing / Production
    Machine Operator, CNC Machinist, Manufacturing & Industrial Operations
Salary/Wage Range or Industry Benchmark: 28.27 - 35.33 USD Hourly USD 28.27 35.33 HOUR
Job Description & How to Apply Below

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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