CNC Machine Operator

GENERAL ROBOTICS (a SIG SAUER Company)•Rochester, NH

1d•Onsite

About The Position

The CNC Machine Operator is responsible for operating CNC equipment to produce high-quality parts in accordance with established processes and quality standards. This role supports production by performing setup assistance, tool changes, inspections, and basic troubleshooting while continuously developing machining skills and knowledge.

Requirements

High school diploma or GED, or equivalent combination of education and experience.
1–5+ years of CNC machining experience, depending on level and demonstrated proficiency.
Ability to operate CNC machines with increasing levels of independence.
Experience with tool setup, tool wear identification, and tool replacement.
Strong understanding of machining processes and part inspection.
Ability to read and interpret blueprints; exposure to GD&T required for advanced levels.
Working to advanced knowledge of G and M codes.
Basic to solid computer and math skills.
Experience using inspection and measurement tools.
Strong attention to detail and commitment to quality.
Ability to communicate clearly and effectively in English, both verbally and in writing.
Ability to work independently, prioritize tasks, and identify additional work as needed.

Nice To Haves

Minimum 5+ years of demonstrated CNC machining experience
Ability to operate independently at a high level with minimal supervision.
Thorough understanding of G and M codes.
Comprehensive knowledge of GD&T and its application to machining and inspection.
Strong ability to read and interpret complex blueprints.
Demonstrated ability to lead by example, solve problems, and maintain workflow efficiency.

Responsibilities

Operate one or more types of CNC equipment to manufacture parts according to specifications.
Load parts, monitor machine operation, and ensure parts are machined correctly, including surface finish and feature accuracy.
Follow all operational processes, control plans, work instructions, and checklists.
Identify and assemble cutting tools and tool holders based on process documentation.
Perform tool changes and replace worn or broken tools as needed.
Identify correct program start points and demonstrate working knowledge of CNC codes (including M codes).
Conduct in-process inspections using measurement tools such as calipers, micrometers, gage pins, and Micro‑Hite.
Load and operate equator systems and review inspection outputs.
Read and interpret CMM and equator reports to make necessary adjustments.
Assist with troubleshooting machine issues and escalate concerns when needed.
Identify basic issues with fixtures and tooling.
Read and interpret technical drawings, including basic GD&T concepts.
Perform secondary operations as required.
Maintain a clean, organized, and safe work environment through 5S practices.
Complete assigned tasks accurately and in a timely manner.
Support cross-functional work and overtime/shift flexibility based on business needs.
Maintain regular attendance and punctuality.