Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm a seasoned Tool Maker and CNC/CMM programmer with 15+ years of experience in precision tooling, quality control, and manufacturing. I specialize in Mastercam programming for CNC machining, PC-DMIS for inspection and reverse engineering, and I design fixtures and tooling to improve production efficiency. I value clean, organized workspaces and apply 5S principles to minimize downtime and defects. Across casting, aerospace, and contract manufacturing environments, I collaborate with engineering and quality teams to resolve manufacturing challenges, perform root cause analyses, and mentor colleagues on CNC techniques and inspection practices.…I'm a seasoned Tool Maker and CNC/CMM programmer with 15+ years of experience in precision tooling, quality control, and manufacturing. I specialize in Mastercam programming for CNC machining, PC-DMIS for inspection and reverse engineering, and I design fixtures and tooling to improve production efficiency. I value clean, organized workspaces and apply 5S principles to minimize downtime and defects. Across casting, aerospace, and contract manufacturing environments, I collaborate with engineering and quality teams to resolve manufacturing challenges, perform root cause analyses, and mentor colleagues on CNC techniques and inspection practices.

Justin Bowler





I'm a seasoned Tool Maker and CNC/CMM programmer with 15+ years of experience in precision tooling, quality control, and manufacturing. I specialize in Mastercam programming for CNC machining, PC-DMIS for inspection and reverse engineering, and I design fixtures and tooling to improve production efficiency. I value clean, organized workspaces and apply 5S principles to minimize downtime and defects. Across casting, aerospace, and contract manufacturing environments, I collaborate with engineering and quality teams to resolve manufacturing challenges, perform root cause analyses, and mentor colleagues on CNC techniques and inspection practices.…I'm a seasoned Tool Maker and CNC/CMM programmer with 15+ years of experience in precision tooling, quality control, and manufacturing. I specialize in Mastercam programming for CNC machining, PC-DMIS for inspection and reverse engineering, and I design fixtures and tooling to improve production efficiency. I value clean, organized workspaces and apply 5S principles to minimize downtime and defects. Across casting, aerospace, and contract manufacturing environments, I collaborate with engineering and quality teams to resolve manufacturing challenges, perform root cause analyses, and mentor colleagues on CNC techniques and inspection practices.

Available to hire

I’m a seasoned Tool Maker and CNC/CMM programmer with 15+ years of experience in precision tooling, quality control, and manufacturing. I specialize in Mastercam programming for CNC machining, PC-DMIS for inspection and reverse engineering, and I design fixtures and tooling to improve production efficiency. I value clean, organized workspaces and apply 5S principles to minimize downtime and defects.

Across casting, aerospace, and contract manufacturing environments, I collaborate with engineering and quality teams to resolve manufacturing challenges, perform root cause analyses, and mentor colleagues on CNC techniques and inspection practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Tool Maker at O'Fallon Casting

May 1, 2024 - March 1, 2025

Programmed Mazak CNC machines using Mastercam for tooling, fixtures, and production components. Utilized PC-DMIS to reverse engineer and inspect parts to customer specifications. Designed and fabricated custom tooling, jigs, and fixtures to support efficient manufacturing processes. Repaired, modified, and maintained precision tooling to minimize downtime and extend tool life. Collaborated with engineering and quality teams to improve designs and resolve manufacturing challenges. Conducted root cause analysis and implemented corrective actions to reduce rework and scrap rates. Maintained 5S and safety practices. Trained junior team members on CNC programming, machining techniques, and quality inspection practices.

Quality Engineer / Quality Manager / CNC Programmer at Precision Components & Assemblies

May 1, 2022 - February 1, 2023

Documented, approved, and rejected In-Process, First Article, and Final inspections. Programmed Zeiss CMM for First Article, In-Process, and Receiving Inspection. Programmed Okuma CNCs for new part production and fixturing. Oversaw product development to ensure compliance with customer requirements and quality standards. Conducted internal and external audits as management representative.

Independent Contractor at Bowler Engineering, LLC

November 1, 2021 - May 1, 2022

Provided OGP, Zeiss, and Prolink product demonstrations and training. Designed CMM and vision system fixtures. Delivered turnkey solutions for manufacturing and inspection processes.

Applications Engineer at B.C. MacDonald & CO

March 1, 2019 - November 1, 2021

Conducted product demonstrations for OGP, Zeiss, and Prolink. Trained customers in CMM and vision software/hardware. Designed inspection and manufacturing fixtures. Developed inspection programs for customer applications.

CMM/CNC/Vision Systems Programmer at Davis Manufacturing

July 1, 2017 - April 1, 2018

Programmed and operated CMM and vision systems. Designed fixtures and performed First Article and Final inspections.

CMM/CNC/Vision Systems Programmer at Structure Medical

September 1, 2015 - September 1, 2016

Programmed and operated multiple CMMs and vision systems. Designed and machined custom fixturing. Performed FAIs and process validations.

Contract CMM Programmer at Pratt & Whitney

June 1, 2015 - September 1, 2015

Programmed and operated multiple CMMs. Designed and machined inspection fixtures. Conducted First Article Inspections and validations.

CMM/CNC/Vision Systems Programmer at Seyer Industries

July 1, 2011 - June 1, 2015

Programmed and operated Brown & Sharpe CMMs using PC-DMIS. Designed and programmed CNC fixturing. Machined tight-tolerance aerospace components using Haas, Mazak, OKK, and Hermle machines. Supported quality inspections and FAI reporting. Conducted calibration and maintenance of gauges and inspection tools.

Journeyman Tool and Die Maker at Titan Wheel Inc.

June 1, 2008 - July 1, 2011

Programmed and operated CNC equipment including Kuraki Horizontal Mills. Repaired and maintained tooling and production equipment. Machined precision parts from hardened tool steels, aluminum, and copper alloys. Operated manual machines including lathes, mills, grinders, and drills.