Senior CNC Mastercam Programmer - 5-Axis Defense Machining

Granite State Manufacturing; Nashua (NH); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical insurance

401(k) & matching

Paid time off

Job summary

Granite State Manufacturing is a leading contract manufacturer delivering precision, quality, and on-time performance for large, complex Machined and welded components. The CNC Programmer position requires 10+ years machining experience and 5+ years Mastercam programming in a fast-paced military production environment.

The role focuses on multi-axis programming, toolpath optimization, and strict adherence to quality and compliance standards, with opportunities to advance in a high-mix,

Qualifications

• 5 years of Mastercam programming experience.
• Strong experience with 5-axis simultaneous machining.
• Experience with 3-axis mills, CNC lathes, and mill-turn equipment.
• Deep understanding of feeds, speeds, tooling, and work holding.
• Proficiency in reading blueprints and applying GD&T.

Responsibilities

• Program 3-axis, 4-axis, and 5-axis CNC milling machines using Mastercam.
• Program CNC lathes and mill-turn machines.
• Develop, optimize, and troubleshoot complex toolpaths for tight-tolerance parts.
• Interpret GD&T and military specifications from blueprints.
• Set up and prove out new programs on the shop floor.
• Collaborate with engineers, machinists, and quality control personnel.
• Maintain program documentation and revision control.
• Improve cycle times while maintaining quality and safety.

Skills

Mastercam

5-axis machining

Blueprint reading

GD&T

Problem solving

Tools

G-code

Fixture design

Job description

Granite State Manufacturing is a leading contract manufacturer delivering precision, quality, and on-time performance for large, complex Machined and welded components. The CNC Programmer position requires 10+ years machining experience and 5+ years Mastercam programming in a fast-paced military production environment.

The role focuses on multi-axis programming, toolpath optimization, and strict adherence to quality and compliance standards, with opportunities to advance in a high-mix,