CNC Machinist - Precision Setup & First Article QA

Arch Precision, LLC; Earth City (MO); On-site; USD 55,000 - 75,000; Full time

Job summary

Arch Precision, LLC is seeking a skilled Machinist to join our production team. You will set up complex multi-axis CNC and rotary transfer machines, ensuring the first article meets strict quality standards before handing off to operators.

You will interpret blueprints and GD&T, inspect parts with precision gauges, and troubleshoot programs to optimize tooling and performance on the shop floor.

Qualifications

• 3–5 years CNC setup experience.
• Strong understanding of G-code and M-code; Fanuc experience preferred.
• Expert-level metrology with bore gauges, height gauges and optical comparators.
• Solid shop math including trigonometry and geometry for speeds, feeds, and coordinates.
• Ability to read complex industrial drawings and understand tight tolerances.

Responsibilities

• Machine Setup: interpret blueprints, GD&T, setup sheets; install tools, load programs, set offsets.
• First-Article Inspection: perform initial run and inspect with micrometers, calipers, and CMM.
• Program Troubleshooting: review G-code/M-code; perform dry runs to ensure safe paths.
• Tooling Management: select, assemble, and preset tools; monitor wear and offsets.
• Process Optimization: work with Programming/Engineering to improve cycle times, tool life, and fixture stability.
• Mentorship: guide operators on loading, offsets, and quality checks after setup.

Skills

CNC setup

G-code & M-code editing

Fanuc experience

Metrology

Shop math

Blueprint literacy

Problem solving

Precision mindset

Communication

Tools

CMM

Micrometers

Height gauges

Job description

Arch Precision, LLC is seeking a skilled Machinist to join our production team. You will set up complex multi-axis CNC and rotary transfer machines, ensuring the first article meets strict quality standards before handing off to operators.

You will interpret blueprints and GD&T, inspect parts with precision gauges, and troubleshoot programs to optimize tooling and performance on the shop floor.