Senior CNC Set-up Programmer for Aerospace

A & R Engineering Co Inc; Carson (CA); On-site; USD 55,000 - 69,000; Full time

Job summary

A & R Engineering Co Inc in Carson, CA is seeking an experienced CNC Set-up Programmer/Machinist to join our aerospace and defense manufacturing team. The role focuses on multi-axis CNC setup, MasterCAM programming, and first article production to ensure on-time delivery of high-precision parts.

You will work on on-site operations, coordinate with Operations and Quality, and drive improvements in tooling, fixturing, and routing to meet AS9100 standards. Must reside within 20 miles of Carson.

Qualifications

• 7+ years of aerospace CNC machining experience with demonstrated expertise in CNC setup of mills, lathes and mill-turn machines.
• Proficiency with MasterCam (lathe, mill and multi-axis) is required.
• Deep understanding of G-code, GD&T, blueprint reading, and aerospace tolerancing.
• Experience in AS9100/AS9102-regulated environments.
• Familiarity with aerospace alloys (e.g., titanium, Inconel, stainless steel, aluminum).
• ITAR compliance and U.S. person status required.

Responsibilities

• Set up CNC mill and lathe operations from customer blueprints and 3D models.
• Perform first article programming, setups, dry runs, and edits to validate programs.
• Conduct in-process inspections during first article production runs.
• Train operators on setups, fixturing, and safe operation of new programs.
• Identify optimal cutter selection and fixtures for efficiency and quality.
• Utilize MasterCAM to create G-code from models and blueprints; knowledge of other CAM tools is a plus.
• Develop/Update manufacturing router sequences and BOMs for new and existing product lines.
• Select tooling, fixturing, and machine allocation for 2- to 5-axis machining.
• Coordinate with Production and Quality teams to ensure DFM and AS9100 compliance.
• Organize the shop workflow to meet customer requirements.

Skills

CNC setup

MasterCAM

Multi-axis machining

G-code

Blueprint reading / GD&T

AS9100 compliance

ITAR knowledge

Aerospace materials

Tools

MasterCAM

Fanuc

HAAS

DMG

Job description

A & R Engineering Co Inc in Carson, CA is seeking an experienced CNC Set-up Programmer/Machinist to join our aerospace and defense manufacturing team. The role focuses on multi-axis CNC setup, MasterCAM programming, and first article production to ensure on-time delivery of high-precision parts.

You will work on on-site operations, coordinate with Operations and Quality, and drive improvements in tooling, fixturing, and routing to meet AS9100 standards. Must reside within 20 miles of Carson.