Aerospace CNC Programmer – 3-5 Axis Mastercam Expert

Northrop Grumman; Commerce (CA); On-site; USD 66,000 - 111,000; Full time

Benefits offered by this job

Health insurance

Savings plan

Paid time off (PTO)

Company holidays

Job summary

Northrop Grumman’s Commerce, CA site seeks a CNC Programmer 3 to convert complex aerospace designs into precise G-code for multi-axis machines. You will work with titanium, Inconel, and aluminum alloys, maintaining tight tolerances and writing complete NC programs using CATIA/V5 and Mastercam.

The role requires 4+ years of aerospace CNC programming, GD&T expertise, and the ability to optimize toolpaths while collaborating with cross-functional teams.

Qualifications

• Education: High school diploma or GED and 4+ years of CNC programming experience.
• Deep knowledge of CAD software (AutoCAD, SolidWorks) and CAM software (Mastercam, Gibbs CAM).
• Blueprints & GD&T: Interpret complex drawings and symbols with precision.
• Mathematical aptitude in Trigonometry and Geometry for path calculations.
• Deep understanding of post-processing and aerospace alloys such as Titanium, Inconel, Aluminum.

Responsibilities

• Program development for 3-, 4-, and 5-axis milling and mill-turn machines using CAD/CAM tools.
• Analyze 3D CAD models and blueprints to optimize machining sequences and work-holding.
• Design fixtures and jigs in CAD to secure aerospace components during machining.
• Perform machine simulations to verify toolpaths before production runs.
• Refine programs to reduce cycle times, improve tool life, and ensure high part quality.
• Create setup sheets and tool lists to guide machinists on the floor.
• Provide shop floor support and mentor operators during setup and runs.

Skills

G-code knowledge

M-code knowledge

GD&T interpretation

Blueprint reading

Education

High school diploma or GED

Associate's degree in mechanical or machining

Tools

Mastercam

GibbsCAM

CATIA

Siemens NX

AutoCAD

SolidWorks

Job description

Northrop Grumman’s Commerce, CA site seeks a CNC Programmer 3 to convert complex aerospace designs into precise G-code for multi-axis machines. You will work with titanium, Inconel, and aluminum alloys, maintaining tight tolerances and writing complete NC programs using CATIA/V5 and Mastercam.

The role requires 4+ years of aerospace CNC programming, GD&T expertise, and the ability to optimize toolpaths while collaborating with cross-functional teams.