Job Description

Granite State Manufacturing (GSM) is seeking an experienced Class A CNC Lathe Operator to join our precision machining team on first shift.

This position is ideal for a highly skilled machinist capable of independently setting up, programming, and operating complex turning equipment to produce precision components supporting the U.S. Navy submarine program and other mission-critical defense platforms.

About the Opportunity

As a Class A CNC Lathe Operator, you’ll perform advanced setups, precision machining, and first-piece inspections on a range of CNC turning equipment.

GSM operates Doosan VTLs, Mori SL and CL2000 lathes, Okuma LB4000 EX II, ProtoTRAK, and DMG Mori platforms, supporting both high-mix and large-part production.

You’ll work closely with Planning and Supervision to execute jobs in accordance with the production schedule (IAW schedule), ensuring throughput, quality, and on-time delivery.

Key Responsibilities

• Independently set up and operate CNC turning centers and VTLs.
• Review process plans, blueprints, and GD&T specifications for each operation.
• Verify dimensions using precision measuring instruments and ensure compliance with AS9100, NAVSEA, and customer standards.
• Troubleshoot machining issues, adjust tool offsets, and improve process stability.
• Collaborate with Quality and Engineering to resolve nonconformance and improve first-pass yield.
• Support and mentor Class B and C operators as part of GSM’s training culture.
• Maintain 5S standards, tooling condition, and proper documentation throughout each job.
• Partner with Planning and Supervision to ensure work is dispatched IAW production schedule.

Requirements

Qualifications

• Minimum 5 years of CNC lathe experience, including setups and operation of VTL or multi-axis turning centers.
• Proficient with Fanuc, Okuma OSP, or ProtoTRAK controls.
• Strong knowledge of blueprint reading, GD&T, and precision measurement techniques.
• Experience machining large and complex components from a variety of materials.
• Demonstrated ability to work independently, prioritize effectively, and meet delivery goals.
• Commitment to safety, quality, and continuous improvement.

Benefits

Why Join GSM

• Work on large, high-precision Navy and defense components using modern Doosan and Mori equipment.
• Competitive pay, benefits, and advancement opportunities.
• A company culture built on integrity, accountability, and teamwork.
• Directly support national defense through the U.S. Navy submarine industrial base.