CNC Machinist – Horizontal Milling Center – Bar

CNC Machinist – Horizontal Milling Center – Boring Bar

Location:

South Milwaukee, WI.

Shift: 3rd Shift.

Sign-On Bonus: $2,000.

Pay Progression:
Step 1: $29.67/hr, Step 2: $30.90/hr, Step 3: $32.14/hr.

• Set up and operate CNC controlled horizontal milling center and horizontal boring bar to machine large steel structures, forgings, castings, weldments, and plates.
• Use of related components and equipment including metal cutting tools and inserts, tool holders, collets, tool presetter machine, fixtures, work holding and clamping equipment, various hand tools, and precision measuring instruments. Jib and overhead cranes used for material handling.

• Review manufacturing documents for operation sequence, setup and work holding information.
• Identify workpiece and assist in loading on machine.
• Set up and align part using blocks, shims, parallels, wedges, clamps, etc.
• Assemble proper cutting tools for operation using tool holder, chucks, collets, drills, taps, reamers, mills, facing, and boring tools, etc. Index cutting inserts as required.
• 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 milling and boring machine.
• Adjust or select machine parameters such as feed rate, speed, and offset values where required.
• Perform very close tolerance machining operations such as facing, boring, counter boring, drilling, tapping, etc. on large structural weldments, castings and forgings.
• Perform in-process inspection of machined parts as required to maintain quality requirements.
• Make appropriate program changes and edits where required. May on occasion need to operate machine manually, without program.
• Assist in unloading and remove processed parts from machine.
• Clean up workpiece 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.

• 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 gauging, 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.

• CNC milling and boring of steel and other metals experience preferred.
• Familiarity with Siemens and Fanuc controls and operator interface.

$29.67 - $37.09

• 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

December 16, 2025 - January 4, 2026

Please ensure you frequently check the email account you provided on your application, including the junk/spam folder, as this is the primary correspondence method in our recruiting process.

Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply. Any offer of employment is conditioned upon the successful completion of a drug screen.