What Does a CNC Machinist Do?

Some objects are impossible to create manually. When utmost precision is required, CNC machining is the way to go.

The duties of a CNC machinist include interpreting blueprints or computer files and translating product or object designs into code. A machine then precisely transforms the material into the desired object. Materials can range from metal to plastic.

Those with CNC machinist jobs work on critical parts and components that help other machines operate and keep people safe. Some examples of items produced by CNC machines include:

• Body part replacements, like artificial knees and hips
• Computer parts
• Automobile frames and parts
• Robots
• Medical device components
• Aviation, marine and aerospace parts
• Wooden furniture
• Metal plaques and trophies
• Military equipment

CNC machinists may fabricate, modify or repair precise mechanical instruments. They may also create the parts needed to maintain industrial machines and machine tools.

“My favorite part of CNC machining is the challenge of it,” says Andrew Collier, a CNC Instructor at UTI’s NASCAR Technical Institute campus. “Every part is different and presents different challenges. This makes it so you always have to be thinking and challenging yourself, which ultimately makes it so I am never bored.”

CNC job opportunities are available in just about any industry that produces physical products through manufacturing. If you’ve ever wondered what a CNC machinist does, read on for a comprehensive CNC machinist job description.

What Is a CNC Machinist?

A CNC machinist operates and manages computer numerical control (CNC) machines, using these precision machines to cut, shape and create parts and components from metal and plastic. They usually work from detailed blueprints and drawings.

What Does a Machinist Do?

CNC machinists must have a knowledge of mathematics, mechanics, production, processing and design to carry out their CNC machinist duties. They need to be coordinated, think critically and have an understanding of equipment operation and control.

Analytical, mechanical and technical skills are essential. Physical stamina is also important due to the work environment, which requires CNC machinists to often be standing and using their hands.

CNC machinists use knowledge and related skills to carry out tasks, including:

• Calculating dimensions
• Using machine tools like lathes, grinders, milling machines and shapers
• Securing and monitoring cutting tools and other machine materials
• Measuring and testing completed products to check for defects
• Maintaining machine tools and operating equipment
• Establishing work procedures

Types of CNC Job Opportunities

CNC machinists take on many different titles in the workplace. CNC machinery is used across a wide variety of industries, which creates exciting opportunities for those skilled in the trade.

Most UTI grads start out working as entry-level technicians or in other entry-level roles.^2,85 As with any industry, over time, they may be able to advance in their career with experience and hard work. Potential entry-level and advanced jobs for CNC machinists may include:⁷⁷

Entry-level

• CNC machinist
• CNC operator
• Machined parts inspector

Advanced

• CNC mill operator
• Quality control inspector
• Design engineer
• Mechanical assembler
• CNC programmer

In addition to the various types of careers, CNC machinists can also take their skill sets to a variety of locations. CNC machinery is used worldwide, so there are opportunities on the West Coast, East Coast and even in other countries.

Machinists usually work in factories, machine shops or tool rooms. Many technicians work full-time jobs during regular business hours. Some work environments are open 24/7, so some CNC machinists work weekends and evening hours.

CNC Machinist Salary

If you’ve considered a career in this industry, you’ve probably wondered how much CNC machinists make. According to the Bureau of Labor Statistics (BLS), the median annual salary for computer numerically controlled tool operators in the United States was $48,550 in May 2023.³⁴ This means half of CNC machinists earned more and half earned less. Keep in mind that salary depends on several factors, including experience, employer, demand and cost of living in the area.

FAQs

1. What are the job duties of a CNC machinist?

CNC machinists are responsible for operating and maintaining CNC machines that cut, shape and finish metal and other materials. Their duties include programming the machines, selecting the appropriate tools and materials for each job, and ensuring the precision and accuracy of the finished products.

Is being a CNC machinist a hard job?

Being a CNC machinist can be challenging due to the technical skills and precision needed for the job. Machinists must have a strong understanding of mathematics, machine operation and CAD/CAM software. However, with proper training and experience, these qualities can be developed for industry work.

Do CNC machinists make good money?

When researching any career, it’s important to consider salary. According to the BLS, the median annual salary for computer numerically controlled tool operators in the United States was $48,550 in May 2023. This means half of CNC machinists earned more and half earned less. Keep in mind that salary depends on several factors, including experience, employer, demand and cost of living in the area.

What skills are required to be a CNC machinist?

CNC machinists need a mix of technical and soft skills, including proficiency in mathematics, understanding of CAD/CAM software, mechanical aptitude and problem-solving abilities. Attention to detail, the ability to follow complex instructions and good communication skills are also important.

What career opportunities are available for CNC machinists?

Career opportunities for CNC machinists range from entry-level positions, such as CNC operators and machined parts inspectors, to more advanced roles, including CNC mill operators, quality control inspectors and CNC programmers. These professionals can find employment in various settings like factories, machine shops and tool rooms across the globe, leveraging their skills to advance in the manufacturing sector.

Meet CNC Machinist Job Description Requirements with UTI’s NASCAR Tech Training!

Many CNC machinist employers require their job candidates to have gone through CNC machinist training. CNC Machining Technology training, like the program offered at UTI’s NASCAR Tech campus, teaches students skills ranging from how to read blueprints to how to set up, program and operate CNC machine lathes and mills—everything you’d usually see on a CNC machinist job description.

In 36 weeks, students gain the knowledge needed to pursue a career in the industry. Many CNC machinist grads from NASCAR Tech have gone to work for Roush Yates Engines while others have gone on to work in aerospace, tool and die making, medical and material testing industries.

Learn more about UTI’s CNC Machining Technology program by requesting information online or by calling an Admissions Representative at 1-800-834-7308!