CNC Machinist

CNC Machinist

Granite State Manufacturing · Manchester, United States · Full-time · Posted 2026-05-18

Workplace: on_site

Department: Machining

Description

Granite State Manufacturing is a leading contract manufacturer of large, complex, precision machined and welded components, supporting the US Navy in building submarines.   

We specialize in high-mix, low-to-medium volume production, delivering precision, quality, and on-time performance on custom-engineered products. Our capabilities include:

• Large-format CNC machining
• Heavy fabrication and welding (MIG, TIG, FCAW, SAW)
• Assembly, inspection, and testing
• Program management for complex builds

We are known for handling tight tolerances, complex geometries, and demanding customer specifications.

Our work environment is supportive, providing what our people need to do great work. 

POSITION SUMMARY

Sets up and operates Computer Numerical Control (CNC) machines, manual machines, and machining centers to produce high-precision metallic and nonmetallic components. This role supports precision machining, tight-tolerance production, and complex part manufacturing.

Candidates will be evaluated and aligned to the appropriate machine type and class level based on experience.

Actively seeking CNC Machinists with experience in:

— Vertical Milling Machinist
— Horizontal Boring Mill Machinist
— Horizontal Milling Machinist
— Vertical Turning Lathe Machinist
— 5-Axis CNC Machining
— All-Around / General Machinist

Essential Functions & Responsibilities

• Studies blueprints, sketches, drawings, manuals, specifications, or sample parts to determine dimensions, tolerances, sequence of operations, and setup requirements.
• Measures, marks, and scribes dimensions and reference points on material or workpiece to guide machining processes.
• Selects, aligns, and secures fixtures, cutting tools, attachments, accessories, and materials for CNC and manual machining operations.
• Calculates and sets controls to regulate machining factors such as speed, feed, coolant flow, depth, and angle of cut, or inputs and edits CNC machine programs as required.
• Starts and monitors machine operations to identify malfunctions or out-of-tolerance conditions and adjusts controls as needed.
• Collaborates with engineering to troubleshoot machining issues and implement effective solutions.
• Mentors and supports employees in machine setup and operation as needed..
• Exhibits a strong sense of responsibility and accountability in maintaining a professional, safe, and clean work environment, as demonstrated by punctuality in reporting to work to fulfill assigned duties, adherence to the policies of Granite State Manufacturing, consistent use of safety glasses in designated areas, upkeep of a tidy and organized workspace, and compliance with safety protocols to minimize the occurrence of errors.
• Works collaboratively with team members and leadership to meet production and quality goals.
• Abides by GSM Code of Ethics and Business Conduct standards and strictly observe all U.S. and foreign laws and regulations.

Requirements

• Capable of setup and running of CNC or manual machines, both horizontal and vertical.
• Self-sufficient in all areas of machining and production.
• Able to machine complex parts.
• Able to use height gages, calipers, micrometers, gage pins, thread gages, and optical comparators.
• Has troubleshooting skills.
• Demonstrated expertise in interpreting blueprints and specifications.
• Observes and evaluates machine performance to identify cutting inefficiencies or malfunctions.
• Working knowledge of mathematics including algebra, geometry, and trigonometry preferred.
• Expertise in work holding devices. Design and build as needed, including cause and effects.
• Expertise in deburring and finishing techniques.
• Expert knowledge of tapping, threading, and thread forms.
• Experienced knowledge of materials, including cutting speed and feeds.
• Able to plan and execute the sequence of events from start to finish to produce a part.
• 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.

EEO STATEMENT

GSM does not discriminate on the basis of race, color, religion, sex, gender, gender identity or expression, pregnancy, national origin, 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.

SEARCH / RECRUITING AGENCIES: Granite State Manufacturing (GSM) does not accept non-solicited resumes or candidate submittals from search/recruiting agencies unless GSM requests such resumes, and the search/recruiting agency is on GSM’s approved list of such agencies. Unsolicited resumes or candidate information submitted to GSM by search/recruiting agencies shall become the property of GSM and if the candidate is subsequently hired by GSM, GSM shall not owe any fee to the submitting agency.

Benefits

Compensation & Benefits

• Competitive salary
• Medical insurance
• Dental & Vision, Life insurance (Company paid)
• Disability benefits (Company paid)
• 401(k) & 401(k) company matching
• Paid time off and holidays
• Flexible spending accounts
• Health savings account
• Referral program
• Overtime opportunities (if applicable)
• Training and career growth in advanced manufacturing
• Employee assistance program

Why Join Us?

• Work on large-scale, one-of-a-kind projects
• Stable industry with strong customer demand
• Opportunity to grow in a flexible, high-skill environment
• Collaborative team focused on quality and craftsmanship

Apply

Apply at Granite State Manufacturing

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