Senior Cnc Machinist

Senior CNC Machinist

Job Description

Department: MFG

Reports To Director of Operations Fabrication & Manufacturing

FLSA Status Hourly

Salary Grade

Date: December 30 th , 2025

Location: Kansas City, MO

We are seeking a highly skilled and detail-oriented CNC Machinist to join our team. As a CNC Machinist, you will be responsible for setting up, operating, and maintaining computer numerical control (CNC) machines to produce precision parts and components according to specifications. This includes 4-axis horizontal mills, vertical mills, and lathes. You will work with a variety of materials and use different tools to create complex shapes and designs.

The ideal candidate has extensive knowledge of CNC machinery, programming, strong technical skills, and a commitment to producing high-quality products.

• 7+ years of experience.
• 3+ year lead experience.

• Proven experience as a CNC Machinist or similar role, with a strong understanding of CNC machinery and programming.
• Interpret technical drawings, blueprints, and specifications to determine the machining operations required.
• Has knowledge and understanding of GD&T
• Set up and prepare CNC machines, including loading and securing materials, tools, fixtures and update tool data tables.
• Program, edit, and optimize CNC machine code using CAM software and/or manual programming.
• Extensive knowledge of CNC programming languages (G-code, M-code) and CAM software (e.g., Mastercam)
• Monitor machine operations to ensure proper functioning and make necessary adjustments as needed.
• Experience optimizing efficiencies utilizing capacity and running multiple machines at once.
• Organized and understands Lean Manufacturing through 5S
• Conduct routine maintenance and troubleshooting of CNC machines to ensure optimal performance.
• Select and install appropriate cutting tools, drills, and fixtures for each job
• Perform precision machining operations such as, but not limited to turning, milling, drilling and tapping. (Horizontal mills, Verticals, & Lathe machines)
• Inspect finished products for quality and accuracy, using precision measuring tools and gauges.
• Make necessary adjustments to maintain product conformance and meet tight tolerances.
• Collaborate with engineering and production teams to develop and improve machining processes.
• Adhere to safety protocols and maintain a clean and organized work area.
• High school diploma or equivalent; technical degree or certification in machining or related field is preferred.
• Experience with different CNC controller manufacturers such as Hyundai, Mazak, Fanuc, Haas, etc.
• Ability to operate precision measuring tools (calipers, micrometers, gauges) to verify part dimensions.
• Strong problem-solving skills and attention to detail
• Excellent manual dexterity and physical stamina
• Ability to work independently and collaboratively in a fast-paced manufacturing environment.
• Knowledge of safety protocols and ability to always adhere to them.

While performing the duties of this job the employee is occasionally required to walk; to climb stairs and ladders, use hands to finger, handle, or feel; reach with hands and arms; and talk or hear. The employee is required to sit. The employee is regularly required to move about the facility. The employee must occasionally lift and/or move up to 50 pounds.

The employee is required to seek assistance in the lifting of more than 100 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, and ability to adjust focus.

I have read and understand all the requirements of this position. I can perform the essential functions of this job, with or without a reasonable accommodation.

Custom Truck One Source is an Equal Opportunity Employer and provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.