5655 Operator - Horizontal CNC Lathe

Komatsu; Milwaukee (WI); On-site; USD 42,000 - 68,000; Full time

Job summary

Komatsu in Milwaukee, WI seeks a skilled CNC Operator to set up and run Horizontal CNC Lathes in a fast-paced shop environment. You will interpret process drawings, select tools, load programs, and check parts against tolerances to ensure quality.

The role requires prior machining experience, strong attention to detail, and the ability to work independently or with a team across shifts. Onsite position with safety-focused practices and clean, organized work areas.

Qualifications

• Prior machining experience required.
• Ability to read technical drawings and manuals.
• Experience with precision measurement tools.
• Ability to work independently and as part of a team.

Responsibilities

• Set up and operate Horizontal CNC lathe per process drawings.
• Select tools, fixtures, and adjust as per process sheet.
• Monitor speeds, feeds, and run programs; perform edits as needed.
• Inspect parts for dimensions and tolerances; remove burrs.
• Maintain a clean, safe work area and assist with machine maintenance.

Skills

Machining experience

Reading drawings

Precision measurement tools

Teamwork

Independent work

Tools

CNC Lathe

Job description

5655 Operator - Horizontal CNC Lathe 7/28/26 Milwaukee, Wisconsin, USA, 53204-2941 35380 Onsite Position

Join Komatsu and Be Part of Something Big!

We are seeking a skilled CNC Operator to set up and operate Horizontal CNC Lathes, performing a wide range of machining operations. This role involves interpreting process drawings, selecting tools, and ensuring precise machining on various materials including cast iron, steel, and non-ferrous metals. The ideal candidate will be detail-oriented and committed to maintaining high‑quality standards in a safe and organized environment.

Shift: 2nd Monday-Friday

Key Job Responsibilities

• Receives work assignment; secures drawing, reads and interprets process drawing for sequence of operations, tools, type of set up, fixture, load programs, monitors and qualifies machining requirements such as feeds, speeds, dimensions, tolerances, etc.; obtains and returns tools, fixtures, etc. as required; keeps cutting tools in proper working condition.
• Selects appropriate collet, chuck, and/or fixtures, steady rest as prescribed on process sheet, sets piece in machine or with aid of floor operated overhead crane or hoist; inserts appropriate cutting tools in their proper stations in turret and cross slide tool posts, turret, tool changer, as prescribed on process sheet and operates machine, and adjusts flow of control; observes operations closely, checks dimensions, and adjusts as needed.
• Monitors program speeds, feeds, number of cuts, dry runs, and prove‑out programs. Works in conjunction with Manufacturing Support Department to develop processes, programs, and process sheets. Occasionally operates machine under keyboard or manual control when necessary. Edits program when required. Closely observes operations to detect trouble through warning indicator lights on control console in programming or errors in machine command, sequence, or electrical malfunction.
• Removes piece from machine, identifies parts by engraving or stamping, cleans out chips, and sets aside to remove burrs.
• Monitors very close tolerance machining operations such as drilling, milling, centering, turning, facing, threading, reaming, chamfering, tapping, etc. on parts. Lubricates machine as needed.
• Assists with cleaning and repair of own machine when required.
• Maintains a clean and orderly work area, including equipment, and performs all assignments in a safe manner and in accordance with established procedures.

Qualifications/Requirements

• Prior machining experience
• Strong mechanical aptitude and problem‑solving skills
• Ability to read technical drawings and manuals
• Experience with precision measurement tools
• Ability to work independently and as part of a team

Physical & Work Requirements

• Ability to lift and move heavy components (with assistance or lifting devices)
• Ability to work at heights, in confined spaces, and in industrial environments
• Willingness to work shifts, overtime, weekends, and on‑call as required
• Ability to stand, kneel, climb, and work in varied environmental conditions

Safety & Compliance

• Commitment to workplace safety and compliance with company and regulatory standards
• Proper use of PPE and adherence to safe work practices

Diversity & Inclusion Commitment

At Komatsu we come from diverse backgrounds, with unique perspectives, experiences, and contributions. We are committed to creating a workforce that is reflective of the communities we work and live in. We believe that our people are part of our shared purpose. We are authentic, ambitious, and innovative in our pursuit of Diversity & Inclusion. United, we are on a journey towards a sustainable future that creates value together.

Company Information

Komatsu is a world leader in manufacturing construction, mining, forestry, and industrial heavy equipment. Founded in 1921, Komatsu has a long history of quality, reliability, innovation, and excellence. Headquartered in Tokyo, Japan, Komatsu facilities, distributors and dealers are in more than 140 countries and employ more than 60,000 people. Komatsu offers a diverse and challenging work environment, where you can grow your skills and career, and contribute to a sustainable, clean‑energy future. If you are looking for a company that values your talent and potential, be a part of something big and join a team that is shaping the world!

If you want to learn more about Komatsu, please visit our website at https://www.komatsu.com/ .