What are the responsibilities and job description for the CNC Operator position at Marmon Holdings?
As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway— you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.
We are seeking a skilled CNC Machinist to operate computer numerically controlled (CNC) and tape machine tools, along with related auxiliary equipment, to perform precision production machining operations. The role requires interpreting blueprints, programming, setting up machines, and producing high-quality parts while maintaining a safe and organized work environment.Key Responsibilities:
Operate CNC machines to perform various machining operations such as drilling, reaming, turning, boring, grooving, keyway cutting, surface milling, and slotting to close tolerances.
Interpret blueprints, program instructions, charts, tables, specifications, and verbal or written directions.
Program machine memory or perform calculations to execute operations as required.
Set up machines using fixtures, drill jigs, vises, blocks, shims, clamps, angle plates, and collets.
Inspect work for proper diameters, concentricity, squareness, angles, and surface finish; make adjustments and replace tooling as needed.
Detect and report faulty equipment, defective material, improper operations, or unusual conditions to the supervisor.
Follow all safety rules and maintain a clean, organized work area.
Exercise independent judgment to plan setups, verify work quality, and ensure production of parts meets recognized standards.
Perform other related duties as assigned.
Qualifications:
High school diploma, GED, or equivalent.
Ability to read, write, and speak English to understand instructions and document work completion.
Completion of one- or two-year trade school training in CNC machining preferred.
Ability to read and interpret blueprints, gages, and standard machining measuring instruments.
Proficiency in machining mathematical calculations and inspection of finished parts.
Minimum of one year of experience operating various machining equipment preferred.
Successful completion of a written skills test required for placement.
Equipment Used:
Vertical turning and horizontal milling CNC machines, calculators, indicators, micrometers, gauges, verniers, layout tools, and related equipment.
Essential Functions:
Operate CNC machines
Standing, lifting, bending, pushing, pulling
Interpret blueprints
Make measurements and calculations
Understand written and verbal instructions
Layout work in operational sequence
Visual inspection of own work
Review order specifications
Maintain neat and orderly work area
Physical Demands:
Standard workday: 8 hours
Exposure to coolant, sand, oil, and temperature variations
Eye and foot protection required
Standing and walking
Bending
Lifting/carrying up to 50 pounds
Pushing/pulling forces of 30–70 pounds
Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law .
We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to careers@marmon.com, and please be sure to include the title and the location of the position for which you are applying.
