Know which CNC role the employer needs
“CNC machinist” can describe several jobs. An operator may load parts, monitor a cycle and inspect output. A setup machinist may select tooling, set offsets, prove out a program and complete first-piece inspection. A programmer may create or revise toolpaths and process plans. Some shops expect one person to do all three; others divide the work across a team.
Look for the machine type, such as mill, lathe, Swiss or multi-axis equipment; the control; materials; production volume; and expected tolerances. A posting that says only “run CNC machines” leaves too much unanswered. Ask what percentage of the week is setup, operation, editing or programming and whether you will work from established programs.
Match your experience to the posting
Write down the machines, controls, materials and measurements you have actually used. Then choose examples that match the job: setting work offsets, changing tools, reading prints and GD&T, using micrometers or calipers, troubleshooting chatter, or documenting inspection. If you have worked mostly on one platform, explain the underlying methods you can transfer without claiming experience with another machine.
A concise application can state your strongest fit: “Three years of short-run CNC lathe setup, Fanuc controls, stainless components and first-piece inspection.” If you have a portfolio, share only work you are allowed to disclose. Never upload a customer drawing or proprietary process document without permission.
Check the conditions behind the pay range
Find out whether the listed range is hourly or annual and whether it includes shift premiums or overtime. Ask about the shift schedule, machine-to-machinist ratio, overtime pattern and training for unfamiliar equipment. A higher rate for a difficult shift or a role with extensive setup responsibility may be reasonable, but you should know the terms before accepting an interview.
The strongest job descriptions also describe inspection support, maintenance response, programming ownership and how work is handed off between shifts. These details tell you how much time you will spend solving problems versus keeping production moving.
Use the interview to evaluate the shop
Ask to walk through a representative part from print to first-piece approval. Who chooses the tooling? Who signs off inspection? What happens when a machine is down or a dimension drifts? Ask what a successful machinist on that shift does independently after a few months. These questions help you judge whether the role matches your skills and gives you room to grow.