CNC Milling Machinist

Columbia Manufacturing, Inc.; Columbia (CT); On-site; USD 27,552 - 41,328; Full time

Benefits offered by this job

Paid time off

Medical insurance

Dental insurance

Vision insurance

Short/long-term disability

Accident insurance

Life insurance

Retirement savings plan

Job summary

Collective Manufacturing Group LLC is seeking a CNC Milling Machinist to set up and operate CNC Mill machines for aerospace components in a high‑precision shop.

The ideal candidate will read blueprints, adjust machining parameters, inspect parts with precision tools, and maintain detailed production records in line with AS9100 standards. This role requires commitment to safety and quality in a fast‑paced environment.

Qualifications

• Three to five years’ experience running CNC Mill Machines.
• High School diploma or equivalent, with demonstrated math skills for shop calculations.
• Demonstrate training ability and be able to support internal customer needs.
• Accurately read engineering prints.
• Lift up to 35 pounds and stand for an eight‑hour shift.
• Demonstrated commitment to quality, safety, and communication and be a team player.

Responsibilities

• Set up and operate CNC Mill machines, including tooling, work holding, offsets and program validation, to perform operations on aerospace parts and components.
• Read and interpret blueprints, engineering drawings, process sheets, and work instructions.
• Adjust feeds, speeds, tool paths and offsets to achieve optimal machining performance and surface finish.
• Calculate dimensions, tolerances, and machine parameters to achieve required part specifications.
• Inspect finished parts using micrometers, calipers, height gauges, and other precision measuring instruments to ensure conformance to specifications.
• Maintain accurate production and inspection records in accordance with company and aerospace quality system requirements (AS9100).
• Monitor machine operation and adjust as necessary to maintain quality and efficiency.
• Perform routine machine maintenance and keep work area clean, organized, and safe.
• Report nonconformances, tool wear conditions and process variations according to quality standards.
• Collaborate with engineering, quality, and production teams to resolve machining issues and improve processes.
• Follow all company safety policies, procedures, and regulatory requirements.

Skills

CNC Machining

Blueprint reading

GD&T

Measuring tools

Problem solving

Education

High School diploma or equivalent

Tools

CNC Mill

Precision measuring tools

Job description

Salary Range: $20.00 to $30.00 Hourly

CNC Milling Machinist

Job Summary

The CNC Milling Machinist is responsible for setting up and operating the CNC Mill machines to produce complex precision aerospace components according to engineering drawings, specifications, and quality standards. This role requires strong attention to detail, mechanical aptitude, and the ability to measure and verify tight tolerances using precision instruments. This role is essential for supporting our commitment to high‑quality production and on‑time delivery to our customers. The ideal candidate is highly motivated, experienced in machine set up on vertical lathes, with vast technical and mechanical knowledge, takes extreme pride in their work and is customer focused.

Essential Duties and Responsibilities

• Set up and operate CNC Mill machines, including tooling, work holding, offsets and program validation, to perform operations on aerospace parts and components.
• Read and interpret blueprints, engineering drawings, process sheets, and work instructions.
• Adjust feeds, speeds, tool paths and offsets to achieve optimal machining performance and surface finish.
• Calculate dimensions, tolerances, and machine parameters to achieve required part specifications.
• Inspect finished parts using micrometers, calipers, height gauges, and other precision measuring instruments to ensure conformance to specifications.
• Maintain accurate production and inspection records in accordance with company and aerospace quality system requirements (AS9100).
• Monitor machine operation and adjust as necessary to maintain quality and efficiency.
• Perform routine machine maintenance and keep work area clean, organized, and safe.
• Report nonconformances, tool wear conditions and process variations according to quality standards.
• Collaborate with engineering, quality, and production teams to resolve machining issues and improve processes.
• Follow all company safety policies, procedures, and regulatory requirements.

Required Skills and Abilities

• Proficient in blueprint reading and geometric dimensioning and tolerancing (GD&T).
• Strong mechanical aptitude and problem‑solving ability.
• Ability to use precision measuring tools and interpret inspection results.
• Knowledge of cutting speeds, feeds, and tooling selection.
• Ability to work independently and as part of a team in a fast‑paced production environment.
• Commitment to safety, quality, and continuous improvement.

Qualification Requirements

• Three to five years’ experience running CNC Mill Machines.
• High School diploma or equivalent, with demonstrated math skills for shop calculations.
• Demonstrate training ability and be able to support internal customer needs.
• Accurately read engineering prints.
• Lift up to 35 pounds and stand for an eight‑hour shift.
• Demonstrated commitment to quality, safety, and communication and be a team player.

Physical Requirements

• Primary duties will be on the shop floor, working in a manufacturing environment.
• Must be able to stand for extended periods of time while performing manual work.
• Good hand‑eye coordination and manual dexterity in both hands.
• Must be able to lift up to 35 pounds unassisted, stand, squat, bend, twist, and reach often.
• Exposure to various temperatures, noise and vibration from power equipment, dust, and fumes.

Benefits

At Collective Manufacturing, we understand how important your benefits are to you and your family. We offer a full suite of benefits, including paid time off, medical, dental, vision, short and long‑term disability coverage, accident insurance, critical illness insurance, hospital indemnity, basic and supplemental life insurance, employee assistance plan, retirement savings plan with competitive matches, and other developmental opportunities.

Collective Manufacturing Group LLC is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other legally protected status. Applicants requiring reasonable accommodation to complete the application process may contact Human Resources.

This position requires access to information subject to the International Traffic in Arms Regulations (ITAR). Employment is contingent upon the applicant being a “U.S. person” as defined by ITAR (22 CFR §120.15), which includes U.S. citizens, lawful permanent residents, refugees, or asylees, as required by U.S. export control laws.

First shift: Monday - Friday 7:00 AM - 3:30 PM (40 hours per week), optional overtime on Saturday if available. Second shift: Monday - Thursday 3:15 PM - 1:45 AM (40 hours per week), optional overtime on Friday if available.