CNC Mastercam Programmer

Granite State Manufacturing; Manchester (NH); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Paid time off

401(k) with company matching

Dental & Vision insurance

Job summary

Granite State Manufacturing in Manchester, NH, is seeking an experienced CNC Programmer with expertise in Mastercam. You will support high-precision manufacturing in a fast-paced military production environment, programming multi-axis CNC milling machines and lathes. Candidates should possess strong problem-solving skills and the ability to work collaboratively while adhering to strict quality and compliance standards.

This role offers a competitive benefits package including paid time off, dental and vision insurance, and a company-matched 401(k). If you have at least 10 years of machining experience, we'd love to hear from you!

Qualifications

• 5+ years of Mastercam programming experience.
• Strong experience with multi-axis machining.
• Proficient in reading blueprints and applying GD&T.
• Ability to work in a military or defense manufacturing environment.

Responsibilities

• Program CNC milling machines and lathes using Mastercam.
• Develop and troubleshoot complex toolpaths for tight-tolerance parts.
• Set up and prove out new programs on the shop floor.
• Collaborate with engineers and quality control personnel.
• Support continuous improvement initiatives.

Skills

Mastercam programming

Multi-axis machining

Problem-solving skills

Reading blueprints

Attention to detail

Job description

POSITION SUMMARY

We are seeking an experienced CNC Programmer / Mastercam Programmer with 10+ years of machining experience and 5+ years of Mastercam programming experience to support high-precision manufacturing operations in a fast-paced military production environment. This role requires expertise in multi-axis machining, strong technical problem-solving skills, and the ability to produce mission-critical components with strict quality and compliance standards.

ESSENTIAL FUNCTIONS AND 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 and work from complex blueprints, GD&T, and military specifications
• Set up and prove out new programs on the shop floor
• Select appropriate tooling, fixtures, and cutting strategies for high-efficiency machining
• Collaborate with engineers, machinists, and quality control personnel
• Maintain program documentation and revision control
• Improve cycle times while maintaining quality and safety standards
• Support continuous improvement initiatives in a high-mix, low-volume environment

QUALIFICATIONS, SKILLS, AND ABILITIES

• 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
• Experience working in a military, aerospace, or defense manufacturing environment preferred
• Ability to obtain or maintain required security clearance (if applicable)

Technical Skills

• Advanced Mastercam proficiency (multi-axis toolpaths, dynamic milling, multi-surface programming)
• G-code knowledge and editing capability
• Fixture design input and setup strategy development
• Strong knowledge of tight-tolerance machining (±.0005”)
• Experience machining high-strength alloys (titanium, Inconel, hardened steels, aluminum alloys)

Work Environment

• High-paced, deadline-driven military manufacturing environment
• Strict adherence to quality, documentation, and compliance standards
• Team-oriented shop floor with cross-functional collaboration
• Emphasis on precision, repeatability, and mission-critical reliability

Key Competencies

• Strong problem-solving and analytical skills
• Attention to detail and quality-focused mindset
• Ability to prioritize and manage multiple jobs simultaneously
• Effective communication with production and engineering teams
• Commitment to safety and continuous improvement

EEO STATEMENT

Granite State Manufacturing (GSM) is an equal opportunity employer. GSM does not discriminate on the basis of race, color, religion, sex, gender, gender identity or expression, national origin, citizenship, veteran status, age, physical or mental disability, genetic information, marital status, sexual orientation, or any other consideration made unlawful by applicable federal, state, or local laws in its programs, activities, or employment.

Benefits

• Paid time off
• Floating holidays
• Paid holidays
• 401(k)
• 401(k) company matching
• Dental & Vision insurance (Company paid)
• Employee assistance program
• Flexible spending account
• Competitive health insurance
• Health savings account
• Life insurance
• Referral program