44 CNC Machinist
Computer Numerical Control (CNC) Machinist Career Guide
On this episode of the Unboxing Careers Podcast, Greg Zakowicz unboxes the career of a Computer Numerical Control (CNC) Machinist with Tyler Bryson.
Guest: Jyler Bryson discovered CNC machining while working at a shop in California and moved across the country to join the Accelerated Training in Defense Manufacturing (ATDM) program in Danville, Virginia. After completing the 16-week CNC machining track, he quickly landed a job back home as a CNC Machinist at Miller CNC where he works on parts for the aerospace and military and defense industries.
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What Does a CNC Machinist Do and Where Are They Needed?
CNC stands for Computer Numerical Control, and machinists in this field use computer-guided machines to shape metal and other materials into precise parts. These parts are essential in industries like aerospace, defense, automotive, and manufacturing. CNC machinists make the blueprints come to life, creating components that must meet exact measurements every single time.
At Miller CNC, machinists like Tyler Bryson work on small, detailed parts for companies such as SpaceX, Blue Origin, and Raytheon. Although they often do not know what the final product will be, their parts might end up in aircraft, tanks, or rockets. Each piece requires careful attention and accuracy because a small mistake can cause big problems later in production.
CNC machinists work with high-tech machines that cut, shape, and finish metal parts.
Industries that rely on CNC machining include aerospace, defense, and advanced manufacturing.
Success in this career depends on precision, focus, and problem-solving skills.
What a Typical Day Looks Like for a CNC Machinist
CNC machinists spend most of their time setting up and operating machines based on work orders, which list how many parts to make and what measurements to follow. The process begins by loading tools into the machine, preparing the metal stock, and programming the machine using a pre-written code. After producing the first part, machinists measure it carefully against a blueprint to make sure everything is exact.
Once the setup is correct, the machinist begins full production. While the machines run, they may operate multiple machines at once, measure finished parts, or clean and maintain the workspace. The goal is always to keep production running smoothly without errors.
Typical tasks include setup, programming, tool changes, and measurement checks.
Projects can last from one day to several months, depending on the complexity of the part.
Machinists balance hands-on work, computer input, and visual inspection throughout the day.
Essential Skills and Traits for CNC Machinists
CNC machining requires both mental focus and physical energy. Strong math skills, especially in geometry and trigonometry, are essential because machinists must think in coordinates and calculate measurements accurately. Being comfortable with numbers helps prevent costly mistakes.
Physically, machinists spend most of the day standing, moving between machines, and lifting heavy materials. It is not a desk job, but for many people, that is part of the appeal. A machinist must also have patience and attention to detail, as even a small miscalculation can ruin an entire batch of parts.
Math knowledge is essential for reading blueprints and calculating dimensions.
Machinists should be comfortable with physical activity and repetitive tasks.
Successful machinists have steady focus, problem-solving ability, and pride in accuracy.
How to Become a CNC Machinist
There are several ways to start a career in CNC machining, and not all of them require a college degree. Some machinists learn through on-the-job training at smaller local shops, while others attend technical or community college programs. A strong example of a short, effective training option is the Accelerated Training in Defense Manufacturing (ATDM) program that Tyler completed.
ATDM is a government-funded, four-month training program located in Virginia. It provides housing, transportation, and food assistance, and it is designed to teach every part of CNC operation quickly. Students learn how to set up machines, read blueprints, program cuts, and perform maintenance. The program moves fast, but students graduate ready to step into professional roles.
ATDM offers four months of free, hands-on CNC training for defense manufacturing careers.
Other options include community colleges, technical programs, or apprenticeships at local shops.
Students who are motivated and detail-oriented can move into full-time work right after training.
Where CNC Machinists Work and What the Job Market Looks Like
CNC machinists can work in many environments, from small independent shops to large manufacturers that produce parts for defense and aerospace. The job market depends on location. Some regions have a high number of skilled machinists, while others struggle to fill open positions. In areas with fewer machinists, employers are eager to train and hire motivated workers.
Many shops have a mix of experienced professionals and new graduates. While older machinists often learned on the job, newer ones come from structured training programs. Having both perspectives creates a supportive learning environment. In Tyler’s experience, senior machinists are willing to teach newer team members who show interest and commitment.
Machinists are employed by aerospace, automotive, and defense companies, as well as smaller manufacturers.
The demand for skilled machinists changes by region, but opportunities are strong nationwide.
Experienced machinists often mentor newcomers, creating a collaborative work culture.
Salary Growth and Career Advancement
Entry-level CNC machinists can expect a comfortable salary that covers basic living expenses, even in higher-cost areas. With more experience, the pay can increase significantly. In Tyler’s shop, senior machinists earn double or even triple what beginners make. Advancement usually comes from learning to run more complex machines, handle different materials, and manage multiple projects at once.
This career rewards precision and consistency. Those who work carefully, meet deadlines, and avoid errors can move into lead machinist, programmer, or supervisor roles over time. The progression is based on skill and reliability rather than years of schooling.
Starting pay is competitive, and experience leads to significant raises.
Career growth comes through mastering new tools, materials, and setups.
Advancement often leads to leadership or programming positions.
Is CNC Machining the Right Career for You?
If you enjoy problem-solving, hands-on work, and seeing immediate results, CNC machining may be a great fit. The job combines technical programming with physical craftsmanship, offering a unique balance of technology and manual skill.
For high school students, a good starting point is to explore local machine shops and ask if they allow short tours or shadowing opportunities. For college students or recent graduates, a technical training program can help confirm if machining feels like the right fit before committing to a longer course.
High school students can start by visiting local shops or watching machining demonstrations.
College students can explore short-term programs to gain experience quickly.
The best candidates enjoy active, focused work that requires accuracy and patience.
Challenges CNC Machinists Face and How to Overcome Them
Like any technical career, machining comes with challenges. Long production runs can become repetitive, especially when making hundreds of identical parts. The work is also physically demanding since machinists spend most of the day standing and lifting materials. Another challenge is managing the high cost of mistakes. A single incorrect measurement can waste expensive materials or delay production.
However, these challenges can be managed through focus, organization, and teamwork. Measuring carefully, asking questions, and learning from experienced machinists can help you avoid errors. Over time, repetition becomes a chance to master the process and take pride in perfect results.
Repetition can be tiring, so use it as an opportunity to refine accuracy and speed.
Physical strain can be managed through good posture, breaks, and teamwork when lifting heavy parts.
Prevent costly mistakes by double-checking measurements and asking for help when needed.
Why CNC Machining Matters
CNC machinists play a crucial role in modern technology. Even though many never see the final product, their work is found everywhere—from airplanes and satellites to military vehicles and rockets. Knowing that the parts you make will help power something significant can be deeply rewarding.
Machining combines science, engineering, and craftsmanship, and it offers a stable path for people who like tangible results. It is a career where effort, skill, and precision create visible impact.
CNC machinists help power industries like aerospace and defense.
The work connects technical ability with real-world applications.
It is a hands-on, respected trade with long-term opportunities.
If you are curious about creating things that matter, CNC machining could be your path. Start small by visiting a shop or researching programs like ATDM, and let your curiosity lead you into a career built on skill and precision. The industry needs motivated, detail-oriented people who take pride in what they create.
Takeaways For Those Interested in a Career as a CNC Machinist
CNC machining involves programming machines to cut materials precisely.
Tyler's company specializes in aerospace and defense projects.
The training program he attended was four months long and intensive.
Math skills are crucial for success in CNC machining.
The job can be physically demanding, requiring standing and moving around.
Supportive colleagues are essential for learning and growth.
Entry-level salaries can be comfortable, with room for growth.
Researching and visiting shops can help aspiring machinists find their path.
Interested in similar careers? Check out these episodes:
What is it Like Being a Mechanical Engineer w/ Kristian Villanueva
What is it Like Being a Mechanical Engineer w/ Brendan Englot
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