Machinist

Grand Valley Manufacturing is seeking a skilled and experienced CNC Mill-Turn Operator to set-up, operate, and troubleshoot CNC mill-turn machines to manufacture components that are 12-24" in diameter, up to 10' long, and weigh up to 6 tons. The ideal candidate has strong machining knowledge, can interpret engineering drawings, and is committed to producing high quality parts in a safe and efficient manner.

Role and Responsibilities:

• Read and interpret technical drawings, blueprints, and routing instructions to determine dimensions and tolerances, sequence of operations, and setup requirements.
• Load and secure raw materials and ensure proper alignment.
• Perform complex setups of large workpieces, selecting, installing, and adjusting the correct cutting tools, fixtures, and workholding as required.

• Able to load programs and tools into machines, verify programs before production runs, and make minor changes to optimize cutting speeds, feed rates, and tool paths.

• Monitor machine performance, sound, and efficiency to detect tool wear, vibration, defects, or out-of-tolerance machining conditions and adjust as required.
• Verify that all machined details are produced in a manner that meets router specifications.
• Correctly use micrometers and calipers to read measurements.
• Collaborate with programmers, engineers, and quality personnel to improve manufacturing processes.
• Perform safe lifting and maneuvering of parts (up to 6 tons) utilizing overhead cranes.
• Maintain accurate job logs, routers, inspection, and other related documentation.
• Monitor and maintain proper cleanliness of machine and work area, performing and documenting routine machine maintenance.
• Train and mentor other machine operators when needed.

Duties may be changed, or additional duties assigned. To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed above are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.


Qualifications and Education Requirements

Requires a High School Diploma or GED Equivalent, Technical degree in Machining preferred. Minimum of 3-5 Years of CNC Machining Experience preferred or equivalent combination of education and experience. Experience operating multi-axis machines (4-axis, 5-axis, or mill-turn centers) is ideal.


Required Skills

• Knowledge of CNC Machine operations and machine set-up.
• Able to read and understand G-Code programming.
• Proficient in reading and interpreting technical drawings and blueprints.
• Experience using common inspection tools (calipers, tape measure, micrometers, height gauges, bore gauges, indicators).
• Experience making tool offsets and minor program edits at the machine.
• Strong mechanical aptitude and math skills.

Preferred Skills

• Experience with Fanuc, Mazak, Siemens, Okuma, Haas, or Mitsubishi CNC Controls.
• Strong problem-solving and troubleshooting skills.
• Good teamwork and communication skills.

Physical Demands and Working Conditions

The physical demands and working conditions described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

• Ability to stand for extended periods of time
• Lift up to 50 pounds and carry up to 35 pounds occasionally.
• Frequently bending, reaching, and repetitive hand movements.
• Ability to work in a manufacturing environment with exposure to machine noise, coolant, and metal chips

Additional Notes

Must be able to work a flexible schedule. Full-time work week is 40-55 hours, Monday - Friday, 10-hour days Monday - Thursday. 12-hour shifts are sometimes required to meet delivery schedules. Saturdays (1/2 days) as needed.


Equal Opportunity Employer, including Disability and Protected Veterans status

If you need special assistance or an accommodation in applying for employment at Grand Valley Manufacturing Co., please contact our Human Resources department at View phone number on click.appcast.io or email us at


Monday - Friday; 5am - 3pm