Granite State Manufacturing (GSM) is seeking experienced Class A CNC Milling Machinists to join our precision manufacturing team on first shift.
This position is ideal for highly skilled machinists capable of independently setting up, programming, and operating complex milling equipment to produce large, high-precision components supporting the U.S. Navy submarine program and other mission-critical defense systems.
About the Opportunity
As a Class A CNC Milling Machinist, you’ll perform advanced setups, multi-axis machining, and first-piece inspections across GSM’s diverse fleet of equipment, including Doosan DVF 5-Axis, Doosan DBC Horizontal Boring Mills, Soraluce FLP/FP-Series, Kuraki HBMs, Mazak Nexus 510C, Mori verticals, and YCM NXV 1680A platforms.
You’ll collaborate with Planning, Quality, and Engineering to execute work in accordance with the production schedule (IAW schedule) while ensuring quality, accuracy, and on-time performance across complex, tight-tolerance parts.
Key Responsibilities
* Independently program, set up, and operate multi-axis CNC milling and horizontal boring mills.
* Review blueprints, process plans, and GD&T to determine setup and machining sequence.
* Machine complex components from a variety of materials with precision and repeatability.
* Verify part conformance using advanced inspection tools and document results.
* Collaborate with Planning to ensure jobs are dispatched IAW production schedule.
* Identify process improvements to enhance cycle time and quality consistency.
* Mentor and support Class B and C machinists in setup, measurement, and best practices.
* Maintain safe work practices, tooling control, and 5S standards across the department.
Qualifications
* 5+ years of CNC milling experience, including setup and programming of vertical or horizontal mills.
* Proficiency with Fanuc, Heidenhain, Mazatrol, or Siemens controls.
* Deep understanding of GD&T, blueprint reading, and machining process optimization.
* Proven experience machining tight-tolerance, large, or complex components.
* Ability to troubleshoot, adjust offsets, and maintain process stability.
* Excellent communication and teamwork skills.
* Commitment to safety, quality, and continuous improvement.
Why Join GSM
* Work on large, precision defense and naval components using industry-leading equipment.
* Competitive pay, benefits, and leadership development opportunities.
* Collaborative environment that values craftsmanship, accountability, and growth.
* Directly contribute to U.S. Navy submarine readiness and national defense.
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