CNC Mastercam Programmer

Granite State Manufacturing • Manchester, NH • 5h ago

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

Requirements

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)

Due to the nature and importance of GSM's work, our positions require access to export-controlled information. Therefore, all candidates must qualify as a U.S. Person under applicable export-control/ITAR regulations or otherwise be authorized to access such information under U.S. law.

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

Granite State Manufacturing offers a comprehensive benefits package to all GSM employees.

Paid time off

Floating holidays

Paid holidays

401(k)

401(k) company matching

Dental & Vision insurance (Company paid)

Disability benefits

Employee assistance program

Flexible spending account

Competitive health insurance

Health savings account

Life insurance

Voluntary benefits

Referral program

...and much more.

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