CNC Machinist
manufacturing › Machine Shop · P2 — P2 — Developing Professional · Individual contributor
Sets up and operates computer-controlled machining equipment to produce parts to specification.
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Individual contributor
Family rungs priced
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Coordinates
2 / 4 spaces
pay@2 · 2026-07
What this role is
Sets up and operates computer-controlled machining equipment to produce parts to specification. At the Developing Professional (P2) level, the role owns defined deliverables / small features, applies established patterns, and drives own and immediate-team deliverables. May guide interns.
What this level does
- Sets up basic machining jobs from setup sheets and verbal instructions and independently runs a variety of machines including CNC milling and turning centers
- Reads instrumentation and gauges to measure part dimensions within a .001 tolerance and reworks or scraps parts that miss the print
- Analyzes drawings, blueprints, and design data to calculate correct part dimensions, select tooling, and set machine speeds and feed rates
- Operates and maintains common machine shop tools — mills, lathes, drill presses, grinders, hones, and welders — for routine fabrication and repair jobs
- Programs and modifies simple CNC codes to correct offsets, add passes, or adjust feeds during a running job
- Knowledge applied
- Applies defined machining procedures — setup sheets, speeds/feeds, tolerance measurement to .001 — across mills, lathes, and CNC centers in familiar contexts.
- Complexity & problem solving
- Uses judgment on conventional jobs: selects tooling, calculates dimensions, and modifies simple CNC codes; refers unusual setups upward.
- Collaboration & interaction
- Builds working relationships with senior machinists and inspectors; takes and follows general instruction with some routine independence.
- Typical experience
- 2+ years of shop-floor machining, or completion of a machinist training program.
Skills at this level
- Machine operation and setup
- — Sets up and troubleshoots mills, lathes, drill presses, grinders, hones, and CNC centers, applying good manufacturing practices and selecting tooling and machining resources appropriate to the part being made.
- CNC programming (G-code)
- — Generates and modifies programmatic G-code instructions that the machine interprets to cut components, applying knowledge of speeds and feeds, machine tooling, work-holding, and material behavior.
- Blueprint and GD&T reading
- — Reads blueprints and Geometric Dimensioning and Tolerancing callouts to interpret datums, position, profile, and dimensional specifications for a part before machining and inspection.
- Precision measurement and inspection
- — Reads instrumentation and gauges to measure machined dimensions within a .001 tolerance, performing first-article and in-process inspections to confirm parts meet the print.
- Machining mathematics
- — Uses trigonometry and shop math to follow technical drawings and calculate part dimensions, tool positions, machine speeds, and feed rates for precision work.
- Machining process optimization
- — Revises speeds, feeds, toolpaths, sequencing, and fixturing in collaboration with engineers to reduce cycle time and scrap and improve the capability of an entire machining process.
- Fault diagnosis and troubleshooting
- — Diagnoses machining problems by isolating root cause across program, machine, tooling, fixture, and material, using logic and reasoning to weigh alternative fixes.
- Tooling and equipment maintenance
- — Maintains machine tools and manages tooling inventory, monitoring cutter wear and equipment condition to keep parts within tolerance and machines running reliably.
- Fabrication and part repair
- — Fabricates, reconstructs, and repairs mechanical parts and tooling from detailed blueprints, including welding and manual finishing where the routing is not fully defined.
- Failure prediction through analysis
- — Predicts where tolerance stacks, thermal growth, tool deflection, and fixturing will cause a part to fail before it is cut, so high-consequence jobs run correctly the first time.
- Shop mentorship and training
- — Trains junior and senior machinists on setup, programming, and inspection, and establishes proven standard methods that others in the shop adopt.
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As of · 2026-07-30
Edition · canon-v2@2.1.0-complete
Source · canon-v2 cell + salary-benchmark (model)
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