Location: Prosperity, South Carolina

Availability: Full Time Position (40 hours per week) Monday - Friday - 8:00 AM to 5:00 PM

Company: Jacob Grey Firearms

About Jacob Grey

Jacob Grey Firearms designs and manufactures premium precision firearms using aerospace-grade processes, materials, and quality systems. Born out of a background in AS9100-certified aerospace manufacturing, Jacob Grey applies the same uncompromising standards of precision, traceability, and craftsmanship to every component we make. Our team values pride in workmanship, attention to detail, and a commitment to excellence. 

Position Summary

The CNC Machinist / Operator will be responsible for setting up, operating, and maintaining CNC 3, 4, and 5 Axis milling centers to produce precision components used in Jacob Grey’s firearm platforms. The ideal candidate is mechanically minded, detail-oriented, and comfortable working in a high-precision production environment where quality and consistency are paramount.

Key Responsibilities

• Set up and operate multi-axis CNC machines (vertical, horizontal, and/or 5-axis mills) according to production schedules and engineering drawings.
• Load programs, verify setup sheets, and inspect first-article parts to ensure conformance to specifications.
• Measure and verify component dimensions using micrometers, calipers, height gauges, and other precision instruments.
• Monitor machine operation and tool wear; make offset adjustments as needed to maintain dimensional accuracy.
• Perform basic preventive maintenance and cleaning on machines and workstations.
• Work with engineering and quality teams to identify and correct non-conformances and improve manufacturing processes.
• Read and interpret blueprints, GD&T symbols, and work instructions.
• Maintain accurate records of production and inspection results per AS9100 documentation requirements.
• Contribute to a culture of safety, cleanliness, and continuous improvement.

Qualifications

• High school diploma or GED required; trade school or technical certificate preferred.
• 5+ years of experience operating CNC mills or lathes (Okuma, Haas, or Makino experience a plus).
• Strong understanding of G-code, machine offsets, tooling, and workholding principles.
• Ability to interpret complex technical drawings and tolerances (GD&T).
• Competence with precision measuring tools and inspection procedures.
• Mechanical aptitude with a strong eye for detail and quality craftsmanship.
• Experience in the firearm, aerospace, or precision manufacturing industries preferred.
• Must be able to lift up to 50 lbs and stand for extended periods.

Preferred Skills

• Experience with Okuma, Makino and Mazak or similar control systems.
• Familiarity with Mastercam, Fusion 360, or other CAM software.
• Basic understanding of lean manufacturing, 5S, and continuous improvement principles.
• Strong problem-solving skills and the ability to work independently or in a small-team environment.

Why Jacob Grey

• Competitive pay commensurate with experience.
• Opportunity to work in a state-of-the-art, climate-controlled facility.
• Be part of a team that builds premium, American-made firearms engineered to aerospace standards.
• Growth potential within a rapidly expanding company.

Email Resume and Qualifications to - sales@jacob-grey.com

CNC Machinist / Operator – 2nd Shift – Sunday – Thursday 7PM to 4 AM

Location: Prosperity, South Carolina

Availability: Full Time Position (40 hours per week)

Company: Jacob Grey Firearms

About Jacob Grey

Jacob Grey Firearms designs and manufactures premium precision firearms using aerospace-grade processes, materials, and quality systems. Born out of a background in AS9100-certified aerospace manufacturing, Jacob Grey applies the same uncompromising standards of precision, traceability, and craftsmanship to every component we make. Our team values pride in workmanship, attention to detail, and a commitment to excellence.

Position Summary

The CNC Machinist / Operator will be responsible for setting up, operating, and maintaining CNC 3, 4, and 5 Axis milling centers to produce precision components used in Jacob Grey’s firearm platforms. The ideal candidate is mechanically minded, detail-oriented, and comfortable working in a high-precision production environment where quality and consistency are paramount.

Key Responsibilities

• Set up and operate multi-axis CNC machines (vertical, horizontal, and/or 5-axis mills) according to production schedules and engineering drawings.
• Load programs, verify setup sheets, and inspect first-article parts to ensure conformance to specifications.
• Measure and verify component dimensions using micrometers, calipers, height gauges, and other precision instruments.
• Monitor machine operation and tool wear; make offset adjustments as needed to maintain dimensional accuracy.
• Perform basic preventive maintenance and cleaning on machines and workstations.
• Work with engineering and quality teams to identify and correct non-conformances and improve manufacturing processes.
• Read and interpret blueprints, GD&T symbols, and work instructions.
• Maintain accurate records of production and inspection results per AS9100 documentation requirements.
• Contribute to a culture of safety, cleanliness, and continuous improvement.

Qualifications

• High school diploma or GED required; trade school or technical certificate preferred.
• 5+ years of experience operating CNC mills or lathes (Okuma, Haas, or Makino experience a plus).
• Strong understanding of G-code, machine offsets, tooling, and workholding principles.
• Ability to interpret complex technical drawings and tolerances (GD&T).
• Competence with precision measuring tools and inspection procedures.
• Mechanical aptitude with a strong eye for detail and quality craftsmanship.
• Experience in the firearm, aerospace, or precision manufacturing industries preferred.
• Must be able to lift up to 50 lbs and stand for extended periods.

Preferred Skills

• Experience with Okuma, Makino and Mazak or similar control systems.
• Familiarity with Mastercam, Fusion 360, or other CAM software.
• Basic understanding of lean manufacturing, 5S, and continuous improvement principles.
• Strong problem-solving skills and the ability to work independently or in a small-team environment.

Why Jacob Grey

• Competitive pay commensurate with experience.
• Opportunity to work in a state-of-the-art, climate-controlled facility.
• Be part of a team that builds premium, American-made firearms engineered to aerospace standards.
• Growth potential within a rapidly expanding company.

Email Resume and Qualifications to - sales@jacob-grey.com

Location: Prosperity, South Carolina

Availability: Full Time Position (40 hours per week) Monday - Friday - 8:00 AM to 5:00 PM

Company: Jacob Grey Firearms

About Jacob Grey:

Jacob Grey Firearms engineers and manufactures premium-quality 2011 pistols and Modern Sporting Rifles (MSRs). Our focus is on delivering the finest craftsmanship for consumers and collectors who value precision, aesthetics, and innovation. Whether it’s for personal defense, competitive shooting, or simply as a collector’s piece, our firearms represent the highest standards of performance and design for those who appreciate the art of firearms engineerin

As the Armorer, you will be responsible for the functions outlined below:

Essential Functions:

• Demonstrate commitment to and leadership in environmental health and safety principles, policies, and procedures.

• Conduct inspection of firearm and firearm components for any manufacturing or cosmetic defects

• Assemble all Jacob Grey-specific firearms in accordance with Jacob Grey standards.

• Perform Armorer Quality checks in compliance with Jacob Grey Firearms standards.

• Read, comprehend, and complete work orders and instructions with accuracy.

• Operate within the framework of all applicable operator work instructions, SOPs, quality, and safety procedures as deemed necessary by management.

• Contribute to ongoing efforts to improve Safety, 6S, Quality, Delivery, and Productivity.

• Uphold the company’s commitment to integrity, safety, fair treatment, and maintaining a positive work environment.

• Other responsibilities as deemed appropriate by management.

Knowledge, Skills, and Abilities:

• High school diploma or GED; 1+ years of firearms experience or an equivalent combination of education and experience necessary for the role.

• Availability to work varying shifts as required.

• Strong time management skills.

• Ability to adhere to and demonstrate the company’s core values.

• Flexibility to be assigned to other departments, functional groups, or shifts as needed.

Physical Requirements:

• Ability to lift and carry items weighing up to 50 pounds.

• Requires intermittent standing, walking, sitting, and bending throughout the workday.

• Capable of working in a manufacturing environment, including exposure to noise, chemicals, machinery, and lights/lasers.

• Must be able to wear appropriate Personal Protective Equipment as required by the position and/or company policy.

Email Resume and Qualifications to - sales@jacob-grey.com