Jobs · Information Technology · California

CNC Programmer - Level 3

Northrop Grumman · Commerce, CA · Yesterday
On-siteInformation Technology$67k–$111k/yrFull-time

Core Responsibilities

  • Utilize software such as Mastercam, CATIA, or Siemens NX to create toolpaths for 3-, 4-, and 5-axis milling and mill-turn machines.
  • Design complete NC programs for complex 3, 4, and 5-axis mills, lathes, and mill-turns using CATIA V5/V6.
  • CAD/CAM Integration: Analyze 3D CAD models and blueprints to determine the most efficient machining sequences and work-holding strategies.
  • Tooling & Fixture Design: Design custom fixtures and jigs in CAD to secure aerospace components during the machining process.
  • Simulation & Verification: Conducting machine simulations (e.g., using Veri cut or Completed) to ensure error-free toolpaths before physical production.
  • Process Optimization: Continuously refine programs to reduce cycle times, improve tool life, and ensure consistent quality for high-value aerospace parts like landing gear or turbine blades.
  • Researching tools and methods to reduce cycle times, improve part quality, and ensure cost-effective manufacturing.
  • Create detailed setup sheets and tool lists to guide machinists through the production process.
  • Troubleshooting programming issues during setup, performing "prove-outs" on the floor, and mentoring machine operators.

Basic Qualifications

  • Education: High school diploma/GED and 4+ years of experience developing CNC programs for multi-axis machines in an aerospace environment.
  • Software Proficiency: Deep knowledge of CAD software (e.g., AutoCAD, SolidWorks) and CAM software (e.g., Mastercam, Gibbs CAM).
  • Blueprints & GD&T: Expert ability to interpret complex technical drawings and Geometric Dimensioning and Tolerancing (GD&T) symbols.
  • Mathematical Aptitude: Strong foundation in Trigonometry and Geometry for calculating complex cutting paths and angles.
  • Technical Knowledge: Deep understanding of G-code, M-code, and post-processing; expertise in machining aerospace alloys (Titanium, Inconel, Aluminum).

Preferred Qualifications

  • Regulatory Compliance: Familiarity with AS9100 standards and export control regulations (ITAR/EAR).
  • Associate's degree in a mechanical or machining related curriculum or 6 years of machining and programming experience.

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