Aerospace CNC Programmer (3-5 Axis) Mastercam Expert

Avantus Aerospace, Inc.; Santa Clarita (CA); Hybrid; USD 75,000 - 95,000; Full time

Job summary

Avantus Aerospace, Inc. in Santa Clarita, CA seeks a skilled CNC Programmer to develop, test, and optimize Mastercam programs for 3, 4, and 5-axis machining of aerospace components.

You will collaborate with Production, Engineering, and Quality to improve cycle times and ensure parts meet drawings and GD&T requirements. Responsibilities include creating setup docs, tooling lists, and post-processed G/M code, along with troubleshooting and verifying program accuracy on the shop floor.

Qualifications

• Minimum of three years of CNC programming experience using Mastercam.
• Minimum of five years of combined CNC machining and programming experience preferred.
• Experience programming 3-axis CNC machining centers required.
• Experience programming 4- and 5-axis CNC machining strongly preferred.
• Hands-on CNC machining, setup, or machine-operation experience required.
• Mastercam proficiency including toolpath creation, simulation, and post-processing.

Responsibilities

• Create and maintain CNC programs using Mastercam 2025/2026 for 3, 4, and 5-axis machining.
• Develop machining methods, operation sequences, and toolpaths from drawings and specs.
• Design or support fixtures, tooling, and manufacturing aids.
• Select cutting tools, holders, workholding methods, feeds, and speeds.
• Create setup documentation including sheets, tooling lists, and offsets.
• Read and interpret drawings, specifications, and GD&T requirements.
• Generate, review, and validate G-code and M-code using post-processors.
• Manually edit CNC programs to support setup and adjustments.
• Test, simulate, prove out, and troubleshoot new or revised programs at the machine.
• Work with machinists and Quality during first-piece and first-article inspection.

Skills

CNC programming

Mastercam

G-code/M-code

Reading drawings

English communication

Tools

Mastercam

Job description

Avantus Aerospace, Inc. in Santa Clarita, CA seeks a skilled CNC Programmer to develop, test, and optimize Mastercam programs for 3, 4, and 5-axis machining of aerospace components.

You will collaborate with Production, Engineering, and Quality to improve cycle times and ensure parts meet drawings and GD&T requirements. Responsibilities include creating setup docs, tooling lists, and post-processed G/M code, along with troubleshooting and verifying program accuracy on the shop floor.