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Owen Briggs

CNC Machinist
Dayton, OH, United States

Professional Summary

CNC Machinist with 9+ years of experience setting up and operating 3–5 axis mills, CNC lathes, and live-tool turning centers in high-mix precision manufacturing. Proven record holding ±0.0005-inch tolerances, cutting setup time 22%, and reducing scrap 17% through first-article discipline, tooling optimization, and in-process inspection. Skilled in G-code edits, Mastercam, GD&T, blueprint interpretation, and mentoring apprentices in safe, repeatable production.

Employment History

CNC Machinist
PrecisionForge Manufacturing · Dayton, OH
• Set up and operated Haas 3- and 5-axis mills and CNC lathes for aerospace and automotive components, holding ±0.0005-inch tolerances across 40+ active part numbers. • Cut average setup time 22% by standardizing tool preset sheets, probing routines, and fixture changeovers; raised first-pass yield to 98.6%. • Edited G-code and optimized feeds, speeds, and tooling, reducing scrap 17% and extending insert life 14%. • Trained four junior machinists on blueprint reading, GD&T, safe setups, and in-process inspection.
Machinist / Setup Operator
Heartland Tool & Die · Dayton, OH
2018 · 2021
• Set up and ran CNC mills, lathes, and wire EDM equipment for short-run tooling and production work, averaging 18 setups per week. • Improved changeover consistency by creating setup checklists and tool carts, reducing average setup time 19%. • Inspected parts with micrometers, calipers, height gauges, and CMM reports; maintained 97% on-time delivery across priority orders. • Partnered with engineering to resolve recurring burr and chatter issues, lowering rework by 12%.
Student Machinist / Apprentice
Sinclair Community College Machine Shop · Dayton, OH
2016 · 2018
• Completed 1,200+ hours of supervised shop training in CNC mill and lathe operation, manual machining, fixturing, and shop math. • Produced training and capstone parts to print with consistent ±0.001-inch accuracy while following OSHA and lockout/tagout procedures. • Assisted instructors and local employers with tool selection, deburring, and inspection; maintained a clean, organized work area. • Earned strong evaluations for troubleshooting, documentation, and willingness to learn.

Education

Certificate, CNC Machine Technology
Sinclair Community College · Dayton, OH
2016 · 2018
CNC programming, machine tool technology, blueprint reading, precision measurement, and OSHA shop safety. Completed NIMS-aligned coursework and earned Dean’s List recognition.

Skills

CNC setup
Mastercam
G-code programming
GD&T