Aerospace CNC Programmer – Multi‑Axis, NX/Mastercam

MCCAY TOOL & ENGINEERING COMPANY; St. Louis (MO); On-site; USD 65,000 - 75,000; Full time

Job summary

MCCAY TOOL & ENGINEERING COMPANY is seeking an experienced CNC programmer to develop and optimize programs for multi-axis mills and lathes using CAM software. You will interpret complex aerospace blueprints and GD&T to ensure precise results.

Ideal candidates have 3–5 years in aerospace/defense environments, strong G-code editing skills, and hands-on experience with Mastercam/NX, plus a solid understanding of GD&T and tooling selection.

Qualifications

• 3–5 years of CNC programming experience in a precision manufacturing environment (aerospace/defense preferred).
• Proficiency with Mastercam and NX; GD&T understanding; G-code/M-code editing.
• Experience with 3–5 axis machining; titanium/aluminum/stainless steel materials; work-holding.

Responsibilities

• Create and optimize CNC programs for multi-axis mills and lathes using CAM software.
• Analyze blueprints, GD&T, and 3D CAD models for accurate machining.
• Define tooling, fixtures, speeds and feeds to maximize efficiency.
• Support first articles; troubleshoot on the shop floor.
• Ensure programs meet AS9100 quality standards and customer specs.

Skills

CNC programming

GD&T interpretation

Blueprint reading

Machining knowledge

First-article support

Tools

Mastercam

NX

Job description

MCCAY TOOL & ENGINEERING COMPANY is seeking an experienced CNC programmer to develop and optimize programs for multi-axis mills and lathes using CAM software. You will interpret complex aerospace blueprints and GD&T to ensure precise results.

Ideal candidates have 3–5 years in aerospace/defense environments, strong G-code editing skills, and hands-on experience with Mastercam/NX, plus a solid understanding of GD&T and tooling selection.