The opportunity
Join the team
Build precision. Build legacy.
Craftsmanship is not just what we do—it is who we are. Every billet, every finish, and every firearm carries the mark of the people who built it.
View open positionsPrecision is our craft
Your work becomes part of the product.
We believe in American engineering done right—no shortcuts and no compromises. From the first CAD model to final inspection, our team’s pride is built into everything we ship. Your work matters because our name is on it.
What you will find here
Make your mark.
Work close to the product, close to the process, and close to the people making the decisions. The standard is high—and your contribution is visible.
Hands-on innovation
Collaborate directly with engineers, armorers, and machinists on real firearm builds.
Made in America
Help manufacture premium frames, slides, and components on U.S. soil.
Room to grow
Build deeper skills as our products, processes, and manufacturing capabilities expand.
A tight-knit team
Your ideas are heard, your work is visible, and your contribution carries weight.
Current opportunities
Open positions.
Product Design Engineer
Own complex product-development assignments and help lead the transition from concept and prototype to reliable, cost-effective manufacturing. This hands-on senior engineering role works directly with machining, quality, assembly, suppliers, and company leadership.
View full role details
What you will own
- Lead product-development and improvement programs from requirements definition through production release.
- Own project scope, milestones, stage-gate reviews, risks, schedules, budgets, and product-cost targets.
- Create and maintain detailed 3D CAD assemblies, 2D manufacturing drawings, specifications, and technical data packages.
- Perform engineering calculations, tolerance-stack studies, ASME Y14.5 GD&T analysis, and mechanical stress analysis.
- Plan prototype builds, verification and validation testing, durability evaluations, and engineering test reports.
- Lead root-cause investigations and document corrective actions for failures and nonconformances.
- Manage BOMs, ECR/ECN workflows, drawing releases, revision history, and implementation planning.
- Support first-article inspection, dimensional verification, supplier qualification, and production readiness.
Required qualifications
- Bachelor’s degree in mechanical engineering or a related discipline, or equivalent education and experience.
- At least five years of mechanical product-design and development experience with precision-machined assemblies.
- Advanced 3D CAD and 2D drafting capability; SolidWorks proficiency is preferred.
- Practical command of ASME Y14.5 GD&T, dimensional analysis, tolerance studies, and design verification.
- Working knowledge of CNC machining, assembly processes, materials, heat treatments, coatings, and quality controls.
- Experience with engineering change management, BOMs, technical data packages, and ERP/MRP or PLM workflows.
Especially valuable
- Experience with small-arms engineering, firearms manufacturing, or regulated precision-mechanical products.
- Familiarity with 1911/2011 platforms, FEM/FEA, simulation, stage-gate development, Lean manufacturing, or Six Sigma.
- Experience with Odoo or similar ERP systems, supplier development, engineering cost tracking, or IP support.
Work environment
- Primarily on-site in an office and precision-manufacturing environment in Prosperity, South Carolina.
- Periodic work in inspection, laboratory, and authorized product-test settings.
- Occasional lifting of up to 50 pounds, with reasonable accommodations as required by law.
Apply online
Build what comes next.
Submit your contact information and résumé. Qualified candidates may also be asked for examples of non-confidential mechanical-design or product-development work.
Jacob Grey Firearms is an equal opportunity employer and considers qualified applicants without regard to protected status.
02 1st Shift CNC Machinist / Operator Full time · Prosperity, SC
8:00 AM–5:00 PM Prosperity, SC
Build precision components.
Set up, operate, and maintain 3-, 4-, and 5-axis CNC milling centers in a quality-focused production environment.
- Read engineering drawings, setup sheets, and GD&T.
- Inspect parts with precision measuring tools.
- Monitor tooling, offsets, and dimensional consistency.
- Partner with engineering and quality teams.
03 2nd or 3rd Shift CNC Machinist / Operator Full time · Prosperity, SC
Own an off-shift machining cell.
Produce high-precision firearm components while maintaining Jacob Grey’s standards for accuracy, traceability, and finish.
- Set up and operate multi-axis CNC equipment.
- Complete first-article and in-process inspections.
- Adjust offsets and respond to tool wear.
- Keep accurate production and quality records.
04 Armorer Full time · Prosperity, SC
8:00 AM–5:00 PM Prosperity, SC
Assemble to the Jacob Grey standard.
Inspect components, assemble Jacob Grey firearms, and complete armorer quality checks with care and consistency.
- Identify manufacturing and cosmetic defects.
- Follow work orders, SOPs, quality, and safety procedures.
- Support improvements in safety, quality, and delivery.
05 Quality Control Engineer Full time · Prosperity, SC
8:00 AM–5:00 PM Prosperity, SC
Elevate inspection systems.
Support and scale dimensional inspection, process control, and product consistency across precision-manufactured components.
- Program and operate ZEISS CMM systems.
- Perform first-article and final inspections.
- Develop inspection plans and corrective actions.
- Maintain traceability and quality records.
06 Firearms Production Support Associate Full time · Prosperity, SC
Support the build from component to assembly.
Help prepare, organize, and move components through a premium firearms manufacturing environment.
- Kit, deburr, stage, and track firearm components.
- Assist with slide lapping and assembly support.
- Inspect parts for defects or nonconformance.
- Maintain clean, safe, and orderly work areas.
Do work that lasts
Ready to build with us?
Find the role that fits, send us your experience, and tell us what you want to build at Jacob Grey.
Explore open positionsJoin the team
Build precision. Build legacy.
Craftsmanship is not just what we do—it is who we are. Every billet, every finish, and every firearm carries the mark of the people who built it.
View open positionsPrecision is our craft
Your work becomes part of the product.
We believe in American engineering done right—no shortcuts and no compromises. From the first CAD model to final inspection, our team’s pride is built into everything we ship. Your work matters because our name is on it.
The opportunity
Small team. Exacting work. Real impact.
What you will find here
Make your mark.
Work close to the product, close to the process, and close to the people making the decisions. The standard is high—and your contribution is visible.
Hands-on innovation
Collaborate directly with engineers, armorers, and machinists on real firearm builds.
Made in America
Help manufacture premium frames, slides, and components on U.S. soil.
Room to grow
Build deeper skills as our products, processes, and manufacturing capabilities expand.
A tight-knit team
Your ideas are heard, your work is visible, and your contribution carries weight.
Current opportunities
Open positions.
Product Design Engineer
Own complex product-development assignments and help lead the transition from concept and prototype to reliable, cost-effective manufacturing. This hands-on senior engineering role works directly with machining, quality, assembly, suppliers, and company leadership.
View full role details
What you will own
- Lead product-development and improvement programs from requirements definition through production release.
- Own project scope, milestones, stage-gate reviews, risks, schedules, budgets, and product-cost targets.
- Create and maintain detailed 3D CAD assemblies, 2D manufacturing drawings, specifications, and technical data packages.
- Perform engineering calculations, tolerance-stack studies, ASME Y14.5 GD&T analysis, and mechanical stress analysis.
- Plan prototype builds, verification and validation testing, durability evaluations, and engineering test reports.
- Lead root-cause investigations and document corrective actions for failures and nonconformances.
- Manage BOMs, ECR/ECN workflows, drawing releases, revision history, and implementation planning.
- Support first-article inspection, dimensional verification, supplier qualification, and production readiness.
Required qualifications
- Bachelor’s degree in mechanical engineering or a related discipline, or equivalent education and experience.
- At least five years of mechanical product-design and development experience with precision-machined assemblies.
- Advanced 3D CAD and 2D drafting capability; SolidWorks proficiency is preferred.
- Practical command of ASME Y14.5 GD&T, dimensional analysis, tolerance studies, and design verification.
- Working knowledge of CNC machining, assembly processes, materials, heat treatments, coatings, and quality controls.
- Experience with engineering change management, BOMs, technical data packages, and ERP/MRP or PLM workflows.
Especially valuable
- Experience with small-arms engineering, firearms manufacturing, or regulated precision-mechanical products.
- Familiarity with 1911/2011 platforms, FEM/FEA, simulation, stage-gate development, Lean manufacturing, or Six Sigma.
- Experience with Odoo or similar ERP systems, supplier development, engineering cost tracking, or IP support.
Work environment
- Primarily on-site in an office and precision-manufacturing environment in Prosperity, South Carolina.
- Periodic work in inspection, laboratory, and authorized product-test settings.
- Occasional lifting of up to 50 pounds, with reasonable accommodations as required by law.
Apply online
Build what comes next.
Submit your contact information and résumé. Qualified candidates may also be asked for examples of non-confidential mechanical-design or product-development work.
Jacob Grey Firearms is an equal opportunity employer and considers qualified applicants without regard to protected status.
02 1st Shift CNC Machinist / Operator Full time · Prosperity, SC
8:00 AM–5:00 PM Prosperity, SC
Build precision components.
Set up, operate, and maintain 3-, 4-, and 5-axis CNC milling centers in a quality-focused production environment.
- Read engineering drawings, setup sheets, and GD&T.
- Inspect parts with precision measuring tools.
- Monitor tooling, offsets, and dimensional consistency.
- Partner with engineering and quality teams.
03 2nd or 3rd Shift CNC Machinist / Operator Full time · Prosperity, SC
Own an off-shift machining cell.
Produce high-precision firearm components while maintaining Jacob Grey’s standards for accuracy, traceability, and finish.
- Set up and operate multi-axis CNC equipment.
- Complete first-article and in-process inspections.
- Adjust offsets and respond to tool wear.
- Keep accurate production and quality records.
04 Armorer Full time · Prosperity, SC
8:00 AM–5:00 PM Prosperity, SC
Assemble to the Jacob Grey standard.
Inspect components, assemble Jacob Grey firearms, and complete armorer quality checks with care and consistency.
- Identify manufacturing and cosmetic defects.
- Follow work orders, SOPs, quality, and safety procedures.
- Support improvements in safety, quality, and delivery.
05 Quality Control Engineer Full time · Prosperity, SC
8:00 AM–5:00 PM Prosperity, SC
Elevate inspection systems.
Support and scale dimensional inspection, process control, and product consistency across precision-manufactured components.
- Program and operate ZEISS CMM systems.
- Perform first-article and final inspections.
- Develop inspection plans and corrective actions.
- Maintain traceability and quality records.
06 Firearms Production Support Associate Full time · Prosperity, SC
Support the build from component to assembly.
Help prepare, organize, and move components through a premium firearms manufacturing environment.
- Kit, deburr, stage, and track firearm components.
- Assist with slide lapping and assembly support.
- Inspect parts for defects or nonconformance.
- Maintain clean, safe, and orderly work areas.
Do work that lasts
Ready to build with us?
Find the role that fits, send us your experience, and tell us what you want to build at Jacob Grey.
Explore open positionsContinue exploring
Find your next Jacob Grey.
Every Jacob Grey handgun is built around a distinct purpose. Compare the lineup and find the platform that fits the way you carry, train, or compete.
Continue exploring
Find your next Jacob Grey.
Every Jacob Grey handgun is built around a distinct purpose. Compare the lineup and find the platform that fits the way you carry, train, or compete.